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1397. 1397
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1500. 1500
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1600. 1600
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1641. 1641
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1791. 1791
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1793. 1793
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1799. 1799
1800. 1800
1801. 1801
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1827. 1827
1828. 1828
1829. 1829
1830. 1830
1831. 1831
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1833. 1833
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1835. 1835
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1837. 1837
1838. 1838
1839. 1839
1840. 1840
1841. 1841
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1848. 1848
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1850. 1850
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1860. 1860
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1862. 1862
1863. 1863
1864. 1864
1865. 1865
1866. 1866
1867. 1867
1868. 1868
1869. 1869
1870. 1870
1871. 1871
1872. 1872
1873. 1873
1874. 1874
1875. 1875
1876. 1876
1877. 1877
1878. 1878
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1880. 1880
1881. 1881
1882. 1882
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1884. 1884
1885. 1885
1886. 1886
1887. 1887
1888. 1888
1889. 1889
1890. 1890
1891. 1891
1892. 1892
1893. 1893
1894. 1894
1895. 1895
1896. 1896
1897. 1897
1898. 1898
1899. 1899
1900. 1900
1901. 1901
1902. 1902
1903. 1903
1904. 1904
1905. 1905
1906. 1906
1907. 1907
1908. 1908
1909. 1909
1910. 1910
1911. 1911
1912. 1912
1913. 1913
1914. 1914
1915. 1915
1916. 1916
1917. 1917
1918. 1918
1919. 1919
1920. 1920
1921. 1921
1922. 1922
1923. 1923
1924. 1924
1925. 1925
1926. 1926
1927. 1927
1928. 1928
1929. 1929
1930. 1930
1931. 1931
1932. 1932
1933. 1933
1934. 1934
1935. 1935
1936. 1936
1937. 1937
1938. 1938
1939. 1939
1940. 1940
1941. 1941
1942. 1942
1943. 1943
1944. 1944
1945. 1945
1946. 1946
1947. 1947
1948. 1948
1949. 1949
1950. 1950
1951. 1951
1952. 1952
1953. 1953
1954. 1954
1955. 1955
1956. 1956
1957. 1957
1958. 1958
1959. 1959
1960. 1960
1961. 1961
1962. 1962
1963. 1963
1964. 1964
1965. 1965
1966. 1966
1967. 1967
1968. 1968
1969. 1969
1970. 1970
1971. 1971
1972. 1972
1973. 1973
1974. 1974
1975. 1975
1976. 1976
1977. 1977
1978. 1978
1979. 1979
1980. 1980
1981. 1981
1982. 1982
1983. 1983
1984. 1984
1985. 1985
1986. 1986
1987. 1987
1988. 1988
1989. 1989
1990. 1990
1991. 1991
1992. 1992
1993. 1993
1994. 1994
1995. 1995
1996. 1996
1997. 1997
1998. 1998
1999. 1999
2000. 2000
2001. 2001
2002. 2002
2003. 2003
2004. 2004
2005. 2005
2006. 2006
2007. 2007
2008. 2008
2009. 2009
2010. 2010
2011. 2011
2012. 2012
2013. 2013
2014. 2014
2015. 2015
2016. 2016
2017. 2017
2018. 2018
2019. 2019
2020. 2020
2021. 2021
2022. 2022
2023. 2023
2024. 2024
2025. 2025
2026. 2026
2027. 2027
2028. 2028
2029. 2029
2030. 2030
2031. 2031
2032. 2032
2033. 2033
2034. 2034
2035. 2035
2036. 2036
2037. 2037
2038. 2038
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2091. 2091
2092. 2092
2093. 2093
2094. 2094
2095. 2095
2096. 2096
2097. 2097
2098. 2098
2099. 2099
2100. 2100
2101. 2101
2102. 2102
2103. 2103
2104. 2104
2105. 2105
2106. 2106
2107. 2107
2108. 2108
2109. 2109
2110. 2110
2111. 2111
2112. 2112
2113. 2113
2114. 2114
2115. 2115
2116. 2116
2117. 2117
2118. 2118
2119. 2119
2120. 2120
2121. 2121
2122. 2122
2123. 2123
2124. 2124
2125. 2125
2126. 2126
2127. 2127
2128. 2128
2129. 2129
2130. 2130
2131. 2131
2132. 2132
2133. 2133
2134. 2134
2135. 2135
2136. 2136
2137. 2137
2138. 2138
2139. 2139
2140. 2140
2141. 2141
2142. 2142
2143. 2143
2144. 2144
2145. 2145
2146. 2146
2147. 2147
2148. 2148
2149. 2149
2150. 2150
2151. 2151
2152. 2152
2153. 2153
2154. 2154
2155. 2155
2156. 2156
2157. 2157
2158. 2158
2159. 2159
2160. 2160
2161. 2161
2162. 2162
2163. 2163
2164. 2164
2165. 2165
2166. 2166
2167. 2167
2168. 2168
2169. 2169
2170. 2170
2171. 2171
2172. 2172
2173. 2173
2174. 2174
2175. 2175
2176. 2176
2177. 2177
2178. 2178
2179. 2179
2180. 2180
2181. 2181
2182. 2182
2183. 2183
2184. 2184
2185. 2185
2186. 2186
2187. 2187
2188. 2188
2189. 2189
2190. 2190
2191. 2191
2192. 2192
2193. 2193
2194. 2194
2195. 2195
2196. 2196
2197. 2197
2198. 2198
2199. 2199
2200. 2200
2201. 2201
2202. 2202
2203. 2203
2204. 2204
2205. 2205
2206. 2206
2207. 2207
2208. 2208
2209. 2209
2210. 2210
2211. 2211
2212. 2212
2213. 2213
2214. 2214
2215. 2215
2216. 2216
2217. 2217
2218. 2218
2219. 2219
2220. 2220
2221. 2221
2222. 2222
2223. 2223
2224. 2224
2225. 2225
2226. 2226
2227. 2227
2228. 2228
2229. 2229
2230. 2230
2231. 2231
2232. 2232
2233. 2233
2234. 2234
2235. 2235
2236. 2236
2237. 2237
2238. 2238
2239. 2239
2240. 2240
2241. 2241
2242. 2242
2243. 2243
2244. 2244
2245. 2245
2246. 2246
2247. 2247
2248. 2248
2249. 2249
2250. 2250
2251. 2251
2252. 2252
2253. 2253
2254. 2254
2255. 2255
2256. 2256
2257. 2257
2258. 2258
2259. 2259
2260. 2260
2261. 2261
2262. 2262
2263. 2263
2264. 2264
2265. 2265
2266. 2266
2267. 2267
2268. 2268
2269. 2269
2270. 2270
2271. 2271
2272. 2272
2273. 2273
2274. 2274
2275. 2275
2276. 2276
2277. 2277
2278. 2278
2279. 2279
2280. 2280
2281. 2281
2282. 2282
2283. 2283
2284. 2284
2285. 2285
2286. 2286
2287. 2287
2288. 2288
2289. 2289
2290. 2290
2291. 2291
2292. 2292
2293. 2293
2294. 2294
2295. 2295
2296. 2296
2297. 2297
2298. 2298
2299. 2299
2300. 2300
2301. 2301
2302. 2302
2303. 2303
2304. 2304
2305. 2305
2306. 2306
2307. 2307
2308. 2308
2309. 2309
2310. 2310
2311. 2311
2312. 2312
2313. 2313
2314. 2314
2315. 2315
2316. 2316
2317. 2317
2318. 2318
2319. 2319
2320. 2320
2321. 2321
2322. 2322
2323. 2323
2324. 2324
2325. 2325
2326. 2326
2327. 2327
2328. 2328
2329. 2329
2330. 2330
2331. 2331
2332. 2332
2333. 2333
2334. 2334
2335. 2335
2336. 2336
2337. 2337
2338. 2338
2339. 2339
2340. 2340
2341. 2341
2342. 2342
2343. 2343
2344. 2344
2345. 2345
2346. 2346
2347. 2347
2348. 2348
2349. 2349
2350. 2350
2351. 2351
2352. 2352
2353. 2353
2354. 2354
2355. 2355
2356. 2356
2357. 2357
2358. 2358
2359. 2359
2360. 2360
2361. 2361
2362. 2362
2363. 2363
2364. 2364
2365. 2365
2366. 2366
2367. 2367
2368. 2368
2369. 2369
2370. 2370
2371. 2371
2372. 2372
2373. 2373
2374. 2374
2375. 2375
2376. 2376
2377. 2377
2378. 2378
2379. 2379
2380. 2380
2381. 2381
2382. 2382
2383. 2383
2384. 2384
2385. 2385
2386. 2386
2387. 2387
2388. 2388
2389. 2389
2390. 2390
2391. 2391
2392. 2392
2393. 2393
2394. 2394
2395. 2395
2396. 2396
2397. 2397
2398. 2398
2399. 2399
2400. 2400
2401. 2401
2402. 2402
2403. 2403
2404. 2404
2405. 2405
2406. 2406
2407. 2407
2408. 2408
2409. 2409
2410. 2410
2411. 2411
2412. 2412
2413. 2413
2414. 2414
2415. 2415
2416. 2416
2417. 2417
2418. 2418
2419. 2419
2420. 2420
2421. 2421
2422. 2422
2423. 2423
2424. 2424
2425. 2425
2426. 2426
2427. 2427
2428. 2428
2429. 2429
2430. 2430
2431. 2431
2432. 2432
2433. 2433
2434. 2434
2435. 2435
2436. 2436
2437. 2437
2438. 2438
2439. 2439
2440. 2440
2441. 2441
2442. 2442
2443. 2443
2444. 2444
2445. 2445
2446. 2446
2447. 2447
2448. 2448
2449. 2449
2450. 2450
2451. 2451
2452. 2452
2453. 2453
2454. 2454
2455. 2455
2456. 2456
2457. 2457
2458. 2458
2459. 2459
2460. 2460
2461. 2461
2462. 2462
2463. 2463
2464. 2464
2465. 2465
2466. 2466
2467. 2467
2468. 2468
2469. 2469
2470. 2470
2471. 2471
2472. 2472
2473. 2473
2474. 2474
2475. 2475
2476. 2476
2477. 2477
2478. 2478
2479. 2479
2480. 2480
2481. 2481
2482. 2482
2483. 2483
2484. 2484
2485. 2485
2486. 2486
2487. 2487
2488. 2488
2489. 2489
2490. 2490
2491. 2491
2492. 2492
2493. 2493
2494. 2494
2495. 2495
2496. 2496
2497. 2497
2498. 2498
2499. 2499
2500. 2500
2501. 2501
2502. 2502
2503. 2503
2504. 2504
2505. 2505
2506. 2506
2507. 2507
2508. 2508
2509. 2509
2510. 2510
2511. 2511
2512. 2512
2513. 2513
2514. 2514
2515. 2515
2516. 2516
2517. 2517
2518. 2518
2519. 2519
2520. 2520
2521. 2521
2522. 2522
2523. 2523
2524. 2524
2525. 2525
2526. 2526
2527. 2527
2528. 2528
2529. 2529
2530. 2530
2531. 2531
2532. 2532
2533. 2533
2534. 2534
2535. 2535
2536. 2536
2537. 2537
2538. 2538
2539. 2539
2540. 2540
2541. 2541
2542. 2542
2543. 2543
2544. 2544
2545. 2545
2546. 2546
2547. 2547
2548. 2548
2549. 2549
2550. 2550
2551. 2551
2552. 2552
2553. 2553
2554. 2554
2555. 2555
2556. 2556
2557. 2557
2558. 2558
2559. 2559
2560. 2560
2561. 2561
2562. 2562
2563. 2563
2564. 2564
2565. 2565
2566. 2566
2567. 2567
2568. 2568
2569. 2569
2570. 2570
2571. 2571
2572. 2572
2573. 2573
2574. 2574
2575. 2575
2576. 2576
2577. 2577
2578. 2578
2579. 2579
2580. 2580
2581. 2581
2582. 2582
2583. 2583
2584. 2584
2585. 2585
2586. 2586
2587. 2587
2588. 2588
2589. 2589
2590. 2590
2591. 2591
2592. 2592
2593. 2593
2594. 2594
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package redis

import (
	"context"
	"errors"
	"io"
	"time"

	"github.com/go-redis/redis/v8/internal"
)

// KeepTTL is a Redis KEEPTTL option to keep existing TTL, it requires your redis-server version >= 6.0,
// otherwise you will receive an error: (error) ERR syntax error.
// For example:
//
//    rdb.Set(ctx, key, value, redis.KeepTTL)
const KeepTTL = -1

func usePrecise(dur time.Duration) bool {
	return dur < time.Second || dur%time.Second != 0
}

func formatMs(ctx context.Context, dur time.Duration) int64 {
	if dur > 0 && dur < time.Millisecond {
		internal.Logger.Printf(
			ctx,
			"specified duration is %s, but minimal supported value is %s - truncating to 1ms",
			dur, time.Millisecond,
		)
		return 1
	}
	return int64(dur / time.Millisecond)
}

func formatSec(ctx context.Context, dur time.Duration) int64 {
	if dur > 0 && dur < time.Second {
		internal.Logger.Printf(
			ctx,
			"specified duration is %s, but minimal supported value is %s - truncating to 1s",
			dur, time.Second,
		)
		return 1
	}
	return int64(dur / time.Second)
}

func appendArgs(dst, src []interface{}) []interface{} {
	if len(src) == 1 {
		return appendArg(dst, src[0])
	}

	dst = append(dst, src...)
	return dst
}

func appendArg(dst []interface{}, arg interface{}) []interface{} {
	switch arg := arg.(type) {
	case []string:
		for _, s := range arg {
			dst = append(dst, s)
		}
		return dst
	case []interface{}:
		dst = append(dst, arg...)
		return dst
	case map[string]interface{}:
		for k, v := range arg {
			dst = append(dst, k, v)
		}
		return dst
	case map[string]string:
		for k, v := range arg {
			dst = append(dst, k, v)
		}
		return dst
	default:
		return append(dst, arg)
	}
}

type Cmdable interface {
	Pipeline() Pipeliner
	Pipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error)

	TxPipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error)
	TxPipeline() Pipeliner

	Command(ctx context.Context) *CommandsInfoCmd
	ClientGetName(ctx context.Context) *StringCmd
	Echo(ctx context.Context, message interface{}) *StringCmd
	Ping(ctx context.Context) *StatusCmd
	Quit(ctx context.Context) *StatusCmd
	Del(ctx context.Context, keys ...string) *IntCmd
	Unlink(ctx context.Context, keys ...string) *IntCmd
	Dump(ctx context.Context, key string) *StringCmd
	Exists(ctx context.Context, keys ...string) *IntCmd
	Expire(ctx context.Context, key string, expiration time.Duration) *BoolCmd
	ExpireAt(ctx context.Context, key string, tm time.Time) *BoolCmd
	Keys(ctx context.Context, pattern string) *StringSliceCmd
	Migrate(ctx context.Context, host, port, key string, db int, timeout time.Duration) *StatusCmd
	Move(ctx context.Context, key string, db int) *BoolCmd
	ObjectRefCount(ctx context.Context, key string) *IntCmd
	ObjectEncoding(ctx context.Context, key string) *StringCmd
	ObjectIdleTime(ctx context.Context, key string) *DurationCmd
	Persist(ctx context.Context, key string) *BoolCmd
	PExpire(ctx context.Context, key string, expiration time.Duration) *BoolCmd
	PExpireAt(ctx context.Context, key string, tm time.Time) *BoolCmd
	PTTL(ctx context.Context, key string) *DurationCmd
	RandomKey(ctx context.Context) *StringCmd
	Rename(ctx context.Context, key, newkey string) *StatusCmd
	RenameNX(ctx context.Context, key, newkey string) *BoolCmd
	Restore(ctx context.Context, key string, ttl time.Duration, value string) *StatusCmd
	RestoreReplace(ctx context.Context, key string, ttl time.Duration, value string) *StatusCmd
	Sort(ctx context.Context, key string, sort *Sort) *StringSliceCmd
	SortStore(ctx context.Context, key, store string, sort *Sort) *IntCmd
	SortInterfaces(ctx context.Context, key string, sort *Sort) *SliceCmd
	Touch(ctx context.Context, keys ...string) *IntCmd
	TTL(ctx context.Context, key string) *DurationCmd
	Type(ctx context.Context, key string) *StatusCmd
	Append(ctx context.Context, key, value string) *IntCmd
	Decr(ctx context.Context, key string) *IntCmd
	DecrBy(ctx context.Context, key string, decrement int64) *IntCmd
	Get(ctx context.Context, key string) *StringCmd
	GetRange(ctx context.Context, key string, start, end int64) *StringCmd
	GetSet(ctx context.Context, key string, value interface{}) *StringCmd
	GetEx(ctx context.Context, key string, expiration time.Duration) *StringCmd
	GetDel(ctx context.Context, key string) *StringCmd
	Incr(ctx context.Context, key string) *IntCmd
	IncrBy(ctx context.Context, key string, value int64) *IntCmd
	IncrByFloat(ctx context.Context, key string, value float64) *FloatCmd
	MGet(ctx context.Context, keys ...string) *SliceCmd
	MSet(ctx context.Context, values ...interface{}) *StatusCmd
	MSetNX(ctx context.Context, values ...interface{}) *BoolCmd
	Set(ctx context.Context, key string, value interface{}, expiration time.Duration) *StatusCmd
	SetArgs(ctx context.Context, key string, value interface{}, a SetArgs) *StatusCmd
	// TODO: rename to SetEx
	SetEX(ctx context.Context, key string, value interface{}, expiration time.Duration) *StatusCmd
	SetNX(ctx context.Context, key string, value interface{}, expiration time.Duration) *BoolCmd
	SetXX(ctx context.Context, key string, value interface{}, expiration time.Duration) *BoolCmd
	SetRange(ctx context.Context, key string, offset int64, value string) *IntCmd
	StrLen(ctx context.Context, key string) *IntCmd

	GetBit(ctx context.Context, key string, offset int64) *IntCmd
	SetBit(ctx context.Context, key string, offset int64, value int) *IntCmd
	BitCount(ctx context.Context, key string, bitCount *BitCount) *IntCmd
	BitOpAnd(ctx context.Context, destKey string, keys ...string) *IntCmd
	BitOpOr(ctx context.Context, destKey string, keys ...string) *IntCmd
	BitOpXor(ctx context.Context, destKey string, keys ...string) *IntCmd
	BitOpNot(ctx context.Context, destKey string, key string) *IntCmd
	BitPos(ctx context.Context, key string, bit int64, pos ...int64) *IntCmd
	BitField(ctx context.Context, key string, args ...interface{}) *IntSliceCmd

	Scan(ctx context.Context, cursor uint64, match string, count int64) *ScanCmd
	ScanType(ctx context.Context, cursor uint64, match string, count int64, keyType string) *ScanCmd
	SScan(ctx context.Context, key string, cursor uint64, match string, count int64) *ScanCmd
	HScan(ctx context.Context, key string, cursor uint64, match string, count int64) *ScanCmd
	ZScan(ctx context.Context, key string, cursor uint64, match string, count int64) *ScanCmd

	HDel(ctx context.Context, key string, fields ...string) *IntCmd
	HExists(ctx context.Context, key, field string) *BoolCmd
	HGet(ctx context.Context, key, field string) *StringCmd
	HGetAll(ctx context.Context, key string) *StringStringMapCmd
	HIncrBy(ctx context.Context, key, field string, incr int64) *IntCmd
	HIncrByFloat(ctx context.Context, key, field string, incr float64) *FloatCmd
	HKeys(ctx context.Context, key string) *StringSliceCmd
	HLen(ctx context.Context, key string) *IntCmd
	HMGet(ctx context.Context, key string, fields ...string) *SliceCmd
	HSet(ctx context.Context, key string, values ...interface{}) *IntCmd
	HMSet(ctx context.Context, key string, values ...interface{}) *BoolCmd
	HSetNX(ctx context.Context, key, field string, value interface{}) *BoolCmd
	HVals(ctx context.Context, key string) *StringSliceCmd
	HRandField(ctx context.Context, key string, count int, withValues bool) *StringSliceCmd

	BLPop(ctx context.Context, timeout time.Duration, keys ...string) *StringSliceCmd
	BRPop(ctx context.Context, timeout time.Duration, keys ...string) *StringSliceCmd
	BRPopLPush(ctx context.Context, source, destination string, timeout time.Duration) *StringCmd
	LIndex(ctx context.Context, key string, index int64) *StringCmd
	LInsert(ctx context.Context, key, op string, pivot, value interface{}) *IntCmd
	LInsertBefore(ctx context.Context, key string, pivot, value interface{}) *IntCmd
	LInsertAfter(ctx context.Context, key string, pivot, value interface{}) *IntCmd
	LLen(ctx context.Context, key string) *IntCmd
	LPop(ctx context.Context, key string) *StringCmd
	LPopCount(ctx context.Context, key string, count int) *StringSliceCmd
	LPos(ctx context.Context, key string, value string, args LPosArgs) *IntCmd
	LPosCount(ctx context.Context, key string, value string, count int64, args LPosArgs) *IntSliceCmd
	LPush(ctx context.Context, key string, values ...interface{}) *IntCmd
	LPushX(ctx context.Context, key string, values ...interface{}) *IntCmd
	LRange(ctx context.Context, key string, start, stop int64) *StringSliceCmd
	LRem(ctx context.Context, key string, count int64, value interface{}) *IntCmd
	LSet(ctx context.Context, key string, index int64, value interface{}) *StatusCmd
	LTrim(ctx context.Context, key string, start, stop int64) *StatusCmd
	RPop(ctx context.Context, key string) *StringCmd
	RPopLPush(ctx context.Context, source, destination string) *StringCmd
	RPush(ctx context.Context, key string, values ...interface{}) *IntCmd
	RPushX(ctx context.Context, key string, values ...interface{}) *IntCmd
	LMove(ctx context.Context, source, destination, srcpos, destpos string) *StringCmd

	SAdd(ctx context.Context, key string, members ...interface{}) *IntCmd
	SCard(ctx context.Context, key string) *IntCmd
	SDiff(ctx context.Context, keys ...string) *StringSliceCmd
	SDiffStore(ctx context.Context, destination string, keys ...string) *IntCmd
	SInter(ctx context.Context, keys ...string) *StringSliceCmd
	SInterStore(ctx context.Context, destination string, keys ...string) *IntCmd
	SIsMember(ctx context.Context, key string, member interface{}) *BoolCmd
	SMIsMember(ctx context.Context, key string, members ...interface{}) *BoolSliceCmd
	SMembers(ctx context.Context, key string) *StringSliceCmd
	SMembersMap(ctx context.Context, key string) *StringStructMapCmd
	SMove(ctx context.Context, source, destination string, member interface{}) *BoolCmd
	SPop(ctx context.Context, key string) *StringCmd
	SPopN(ctx context.Context, key string, count int64) *StringSliceCmd
	SRandMember(ctx context.Context, key string) *StringCmd
	SRandMemberN(ctx context.Context, key string, count int64) *StringSliceCmd
	SRem(ctx context.Context, key string, members ...interface{}) *IntCmd
	SUnion(ctx context.Context, keys ...string) *StringSliceCmd
	SUnionStore(ctx context.Context, destination string, keys ...string) *IntCmd

	XAdd(ctx context.Context, a *XAddArgs) *StringCmd
	XDel(ctx context.Context, stream string, ids ...string) *IntCmd
	XLen(ctx context.Context, stream string) *IntCmd
	XRange(ctx context.Context, stream, start, stop string) *XMessageSliceCmd
	XRangeN(ctx context.Context, stream, start, stop string, count int64) *XMessageSliceCmd
	XRevRange(ctx context.Context, stream string, start, stop string) *XMessageSliceCmd
	XRevRangeN(ctx context.Context, stream string, start, stop string, count int64) *XMessageSliceCmd
	XRead(ctx context.Context, a *XReadArgs) *XStreamSliceCmd
	XReadStreams(ctx context.Context, streams ...string) *XStreamSliceCmd
	XGroupCreate(ctx context.Context, stream, group, start string) *StatusCmd
	XGroupCreateMkStream(ctx context.Context, stream, group, start string) *StatusCmd
	XGroupSetID(ctx context.Context, stream, group, start string) *StatusCmd
	XGroupDestroy(ctx context.Context, stream, group string) *IntCmd
	XGroupCreateConsumer(ctx context.Context, stream, group, consumer string) *IntCmd
	XGroupDelConsumer(ctx context.Context, stream, group, consumer string) *IntCmd
	XReadGroup(ctx context.Context, a *XReadGroupArgs) *XStreamSliceCmd
	XAck(ctx context.Context, stream, group string, ids ...string) *IntCmd
	XPending(ctx context.Context, stream, group string) *XPendingCmd
	XPendingExt(ctx context.Context, a *XPendingExtArgs) *XPendingExtCmd
	XClaim(ctx context.Context, a *XClaimArgs) *XMessageSliceCmd
	XClaimJustID(ctx context.Context, a *XClaimArgs) *StringSliceCmd

	// TODO: XTrim and XTrimApprox remove in v9.
	XTrim(ctx context.Context, key string, maxLen int64) *IntCmd
	XTrimApprox(ctx context.Context, key string, maxLen int64) *IntCmd
	XTrimMaxLen(ctx context.Context, key string, maxLen int64) *IntCmd
	XTrimMaxLenApprox(ctx context.Context, key string, maxLen, limit int64) *IntCmd
	XTrimMinID(ctx context.Context, key string, minID string) *IntCmd
	XTrimMinIDApprox(ctx context.Context, key string, minID string, limit int64) *IntCmd
	XInfoGroups(ctx context.Context, key string) *XInfoGroupsCmd
	XInfoStream(ctx context.Context, key string) *XInfoStreamCmd
	XInfoConsumers(ctx context.Context, key string, group string) *XInfoConsumersCmd

	BZPopMax(ctx context.Context, timeout time.Duration, keys ...string) *ZWithKeyCmd
	BZPopMin(ctx context.Context, timeout time.Duration, keys ...string) *ZWithKeyCmd

	// TODO: remove
	//		ZAddCh
	//		ZIncr
	//		ZAddNXCh
	//		ZAddXXCh
	//		ZIncrNX
	//		ZIncrXX
	// 	in v9.
	// 	use ZAddArgs and ZAddArgsIncr.

	ZAdd(ctx context.Context, key string, members ...*Z) *IntCmd
	ZAddNX(ctx context.Context, key string, members ...*Z) *IntCmd
	ZAddXX(ctx context.Context, key string, members ...*Z) *IntCmd
	ZAddCh(ctx context.Context, key string, members ...*Z) *IntCmd
	ZAddNXCh(ctx context.Context, key string, members ...*Z) *IntCmd
	ZAddXXCh(ctx context.Context, key string, members ...*Z) *IntCmd
	ZAddArgs(ctx context.Context, key string, args ZAddArgs) *IntCmd
	ZAddArgsIncr(ctx context.Context, key string, args ZAddArgs) *FloatCmd
	ZIncr(ctx context.Context, key string, member *Z) *FloatCmd
	ZIncrNX(ctx context.Context, key string, member *Z) *FloatCmd
	ZIncrXX(ctx context.Context, key string, member *Z) *FloatCmd
	ZCard(ctx context.Context, key string) *IntCmd
	ZCount(ctx context.Context, key, min, max string) *IntCmd
	ZLexCount(ctx context.Context, key, min, max string) *IntCmd
	ZIncrBy(ctx context.Context, key string, increment float64, member string) *FloatCmd
	ZInter(ctx context.Context, store *ZStore) *StringSliceCmd
	ZInterWithScores(ctx context.Context, store *ZStore) *ZSliceCmd
	ZInterStore(ctx context.Context, destination string, store *ZStore) *IntCmd
	ZMScore(ctx context.Context, key string, members ...string) *FloatSliceCmd
	ZPopMax(ctx context.Context, key string, count ...int64) *ZSliceCmd
	ZPopMin(ctx context.Context, key string, count ...int64) *ZSliceCmd
	ZRange(ctx context.Context, key string, start, stop int64) *StringSliceCmd
	ZRangeWithScores(ctx context.Context, key string, start, stop int64) *ZSliceCmd
	ZRangeByScore(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd
	ZRangeByLex(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd
	ZRangeByScoreWithScores(ctx context.Context, key string, opt *ZRangeBy) *ZSliceCmd
	ZRangeArgs(ctx context.Context, z ZRangeArgs) *StringSliceCmd
	ZRangeArgsWithScores(ctx context.Context, z ZRangeArgs) *ZSliceCmd
	ZRangeStore(ctx context.Context, dst string, z ZRangeArgs) *IntCmd
	ZRank(ctx context.Context, key, member string) *IntCmd
	ZRem(ctx context.Context, key string, members ...interface{}) *IntCmd
	ZRemRangeByRank(ctx context.Context, key string, start, stop int64) *IntCmd
	ZRemRangeByScore(ctx context.Context, key, min, max string) *IntCmd
	ZRemRangeByLex(ctx context.Context, key, min, max string) *IntCmd
	ZRevRange(ctx context.Context, key string, start, stop int64) *StringSliceCmd
	ZRevRangeWithScores(ctx context.Context, key string, start, stop int64) *ZSliceCmd
	ZRevRangeByScore(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd
	ZRevRangeByLex(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd
	ZRevRangeByScoreWithScores(ctx context.Context, key string, opt *ZRangeBy) *ZSliceCmd
	ZRevRank(ctx context.Context, key, member string) *IntCmd
	ZScore(ctx context.Context, key, member string) *FloatCmd
	ZUnionStore(ctx context.Context, dest string, store *ZStore) *IntCmd
	ZUnion(ctx context.Context, store ZStore) *StringSliceCmd
	ZUnionWithScores(ctx context.Context, store ZStore) *ZSliceCmd
	ZRandMember(ctx context.Context, key string, count int, withScores bool) *StringSliceCmd
	ZDiff(ctx context.Context, keys ...string) *StringSliceCmd
	ZDiffWithScores(ctx context.Context, keys ...string) *ZSliceCmd
	ZDiffStore(ctx context.Context, destination string, keys ...string) *IntCmd

	PFAdd(ctx context.Context, key string, els ...interface{}) *IntCmd
	PFCount(ctx context.Context, keys ...string) *IntCmd
	PFMerge(ctx context.Context, dest string, keys ...string) *StatusCmd

	BgRewriteAOF(ctx context.Context) *StatusCmd
	BgSave(ctx context.Context) *StatusCmd
	ClientKill(ctx context.Context, ipPort string) *StatusCmd
	ClientKillByFilter(ctx context.Context, keys ...string) *IntCmd
	ClientList(ctx context.Context) *StringCmd
	ClientPause(ctx context.Context, dur time.Duration) *BoolCmd
	ClientID(ctx context.Context) *IntCmd
	ConfigGet(ctx context.Context, parameter string) *SliceCmd
	ConfigResetStat(ctx context.Context) *StatusCmd
	ConfigSet(ctx context.Context, parameter, value string) *StatusCmd
	ConfigRewrite(ctx context.Context) *StatusCmd
	DBSize(ctx context.Context) *IntCmd
	FlushAll(ctx context.Context) *StatusCmd
	FlushAllAsync(ctx context.Context) *StatusCmd
	FlushDB(ctx context.Context) *StatusCmd
	FlushDBAsync(ctx context.Context) *StatusCmd
	Info(ctx context.Context, section ...string) *StringCmd
	LastSave(ctx context.Context) *IntCmd
	Save(ctx context.Context) *StatusCmd
	Shutdown(ctx context.Context) *StatusCmd
	ShutdownSave(ctx context.Context) *StatusCmd
	ShutdownNoSave(ctx context.Context) *StatusCmd
	SlaveOf(ctx context.Context, host, port string) *StatusCmd
	Time(ctx context.Context) *TimeCmd
	DebugObject(ctx context.Context, key string) *StringCmd
	ReadOnly(ctx context.Context) *StatusCmd
	ReadWrite(ctx context.Context) *StatusCmd
	MemoryUsage(ctx context.Context, key string, samples ...int) *IntCmd

	Eval(ctx context.Context, script string, keys []string, args ...interface{}) *Cmd
	EvalSha(ctx context.Context, sha1 string, keys []string, args ...interface{}) *Cmd
	ScriptExists(ctx context.Context, hashes ...string) *BoolSliceCmd
	ScriptFlush(ctx context.Context) *StatusCmd
	ScriptKill(ctx context.Context) *StatusCmd
	ScriptLoad(ctx context.Context, script string) *StringCmd

	Publish(ctx context.Context, channel string, message interface{}) *IntCmd
	PubSubChannels(ctx context.Context, pattern string) *StringSliceCmd
	PubSubNumSub(ctx context.Context, channels ...string) *StringIntMapCmd
	PubSubNumPat(ctx context.Context) *IntCmd

	ClusterSlots(ctx context.Context) *ClusterSlotsCmd
	ClusterNodes(ctx context.Context) *StringCmd
	ClusterMeet(ctx context.Context, host, port string) *StatusCmd
	ClusterForget(ctx context.Context, nodeID string) *StatusCmd
	ClusterReplicate(ctx context.Context, nodeID string) *StatusCmd
	ClusterResetSoft(ctx context.Context) *StatusCmd
	ClusterResetHard(ctx context.Context) *StatusCmd
	ClusterInfo(ctx context.Context) *StringCmd
	ClusterKeySlot(ctx context.Context, key string) *IntCmd
	ClusterGetKeysInSlot(ctx context.Context, slot int, count int) *StringSliceCmd
	ClusterCountFailureReports(ctx context.Context, nodeID string) *IntCmd
	ClusterCountKeysInSlot(ctx context.Context, slot int) *IntCmd
	ClusterDelSlots(ctx context.Context, slots ...int) *StatusCmd
	ClusterDelSlotsRange(ctx context.Context, min, max int) *StatusCmd
	ClusterSaveConfig(ctx context.Context) *StatusCmd
	ClusterSlaves(ctx context.Context, nodeID string) *StringSliceCmd
	ClusterFailover(ctx context.Context) *StatusCmd
	ClusterAddSlots(ctx context.Context, slots ...int) *StatusCmd
	ClusterAddSlotsRange(ctx context.Context, min, max int) *StatusCmd

	GeoAdd(ctx context.Context, key string, geoLocation ...*GeoLocation) *IntCmd
	GeoPos(ctx context.Context, key string, members ...string) *GeoPosCmd
	GeoRadius(ctx context.Context, key string, longitude, latitude float64, query *GeoRadiusQuery) *GeoLocationCmd
	GeoRadiusStore(ctx context.Context, key string, longitude, latitude float64, query *GeoRadiusQuery) *IntCmd
	GeoRadiusByMember(ctx context.Context, key, member string, query *GeoRadiusQuery) *GeoLocationCmd
	GeoRadiusByMemberStore(ctx context.Context, key, member string, query *GeoRadiusQuery) *IntCmd
	GeoDist(ctx context.Context, key string, member1, member2, unit string) *FloatCmd
	GeoHash(ctx context.Context, key string, members ...string) *StringSliceCmd
}

type StatefulCmdable interface {
	Cmdable
	Auth(ctx context.Context, password string) *StatusCmd
	AuthACL(ctx context.Context, username, password string) *StatusCmd
	Select(ctx context.Context, index int) *StatusCmd
	SwapDB(ctx context.Context, index1, index2 int) *StatusCmd
	ClientSetName(ctx context.Context, name string) *BoolCmd
}

var (
	_ Cmdable = (*Client)(nil)
	_ Cmdable = (*Tx)(nil)
	_ Cmdable = (*Ring)(nil)
	_ Cmdable = (*ClusterClient)(nil)
)

type cmdable func(ctx context.Context, cmd Cmder) error

type statefulCmdable func(ctx context.Context, cmd Cmder) error

//------------------------------------------------------------------------------

func (c statefulCmdable) Auth(ctx context.Context, password string) *StatusCmd {
	cmd := NewStatusCmd(ctx, "auth", password)
	_ = c(ctx, cmd)
	return cmd
}

// AuthACL Perform an AUTH command, using the given user and pass.
// Should be used to authenticate the current connection with one of the connections defined in the ACL list
// when connecting to a Redis 6.0 instance, or greater, that is using the Redis ACL system.
func (c statefulCmdable) AuthACL(ctx context.Context, username, password string) *StatusCmd {
	cmd := NewStatusCmd(ctx, "auth", username, password)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Wait(ctx context.Context, numSlaves int, timeout time.Duration) *IntCmd {
	cmd := NewIntCmd(ctx, "wait", numSlaves, int(timeout/time.Millisecond))
	_ = c(ctx, cmd)
	return cmd
}

func (c statefulCmdable) Select(ctx context.Context, index int) *StatusCmd {
	cmd := NewStatusCmd(ctx, "select", index)
	_ = c(ctx, cmd)
	return cmd
}

func (c statefulCmdable) SwapDB(ctx context.Context, index1, index2 int) *StatusCmd {
	cmd := NewStatusCmd(ctx, "swapdb", index1, index2)
	_ = c(ctx, cmd)
	return cmd
}

// ClientSetName assigns a name to the connection.
func (c statefulCmdable) ClientSetName(ctx context.Context, name string) *BoolCmd {
	cmd := NewBoolCmd(ctx, "client", "setname", name)
	_ = c(ctx, cmd)
	return cmd
}

//------------------------------------------------------------------------------

func (c cmdable) Command(ctx context.Context) *CommandsInfoCmd {
	cmd := NewCommandsInfoCmd(ctx, "command")
	_ = c(ctx, cmd)
	return cmd
}

// ClientGetName returns the name of the connection.
func (c cmdable) ClientGetName(ctx context.Context) *StringCmd {
	cmd := NewStringCmd(ctx, "client", "getname")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Echo(ctx context.Context, message interface{}) *StringCmd {
	cmd := NewStringCmd(ctx, "echo", message)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Ping(ctx context.Context) *StatusCmd {
	cmd := NewStatusCmd(ctx, "ping")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Quit(_ context.Context) *StatusCmd {
	panic("not implemented")
}

func (c cmdable) Del(ctx context.Context, keys ...string) *IntCmd {
	args := make([]interface{}, 1+len(keys))
	args[0] = "del"
	for i, key := range keys {
		args[1+i] = key
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Unlink(ctx context.Context, keys ...string) *IntCmd {
	args := make([]interface{}, 1+len(keys))
	args[0] = "unlink"
	for i, key := range keys {
		args[1+i] = key
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Dump(ctx context.Context, key string) *StringCmd {
	cmd := NewStringCmd(ctx, "dump", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Exists(ctx context.Context, keys ...string) *IntCmd {
	args := make([]interface{}, 1+len(keys))
	args[0] = "exists"
	for i, key := range keys {
		args[1+i] = key
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Expire(ctx context.Context, key string, expiration time.Duration) *BoolCmd {
	cmd := NewBoolCmd(ctx, "expire", key, formatSec(ctx, expiration))
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ExpireAt(ctx context.Context, key string, tm time.Time) *BoolCmd {
	cmd := NewBoolCmd(ctx, "expireat", key, tm.Unix())
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Keys(ctx context.Context, pattern string) *StringSliceCmd {
	cmd := NewStringSliceCmd(ctx, "keys", pattern)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Migrate(ctx context.Context, host, port, key string, db int, timeout time.Duration) *StatusCmd {
	cmd := NewStatusCmd(
		ctx,
		"migrate",
		host,
		port,
		key,
		db,
		formatMs(ctx, timeout),
	)
	cmd.setReadTimeout(timeout)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Move(ctx context.Context, key string, db int) *BoolCmd {
	cmd := NewBoolCmd(ctx, "move", key, db)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ObjectRefCount(ctx context.Context, key string) *IntCmd {
	cmd := NewIntCmd(ctx, "object", "refcount", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ObjectEncoding(ctx context.Context, key string) *StringCmd {
	cmd := NewStringCmd(ctx, "object", "encoding", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ObjectIdleTime(ctx context.Context, key string) *DurationCmd {
	cmd := NewDurationCmd(ctx, time.Second, "object", "idletime", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Persist(ctx context.Context, key string) *BoolCmd {
	cmd := NewBoolCmd(ctx, "persist", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) PExpire(ctx context.Context, key string, expiration time.Duration) *BoolCmd {
	cmd := NewBoolCmd(ctx, "pexpire", key, formatMs(ctx, expiration))
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) PExpireAt(ctx context.Context, key string, tm time.Time) *BoolCmd {
	cmd := NewBoolCmd(
		ctx,
		"pexpireat",
		key,
		tm.UnixNano()/int64(time.Millisecond),
	)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) PTTL(ctx context.Context, key string) *DurationCmd {
	cmd := NewDurationCmd(ctx, time.Millisecond, "pttl", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) RandomKey(ctx context.Context) *StringCmd {
	cmd := NewStringCmd(ctx, "randomkey")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Rename(ctx context.Context, key, newkey string) *StatusCmd {
	cmd := NewStatusCmd(ctx, "rename", key, newkey)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) RenameNX(ctx context.Context, key, newkey string) *BoolCmd {
	cmd := NewBoolCmd(ctx, "renamenx", key, newkey)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Restore(ctx context.Context, key string, ttl time.Duration, value string) *StatusCmd {
	cmd := NewStatusCmd(
		ctx,
		"restore",
		key,
		formatMs(ctx, ttl),
		value,
	)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) RestoreReplace(ctx context.Context, key string, ttl time.Duration, value string) *StatusCmd {
	cmd := NewStatusCmd(
		ctx,
		"restore",
		key,
		formatMs(ctx, ttl),
		value,
		"replace",
	)
	_ = c(ctx, cmd)
	return cmd
}

type Sort struct {
	By            string
	Offset, Count int64
	Get           []string
	Order         string
	Alpha         bool
}

func (sort *Sort) args(key string) []interface{} {
	args := []interface{}{"sort", key}
	if sort.By != "" {
		args = append(args, "by", sort.By)
	}
	if sort.Offset != 0 || sort.Count != 0 {
		args = append(args, "limit", sort.Offset, sort.Count)
	}
	for _, get := range sort.Get {
		args = append(args, "get", get)
	}
	if sort.Order != "" {
		args = append(args, sort.Order)
	}
	if sort.Alpha {
		args = append(args, "alpha")
	}
	return args
}

func (c cmdable) Sort(ctx context.Context, key string, sort *Sort) *StringSliceCmd {
	cmd := NewStringSliceCmd(ctx, sort.args(key)...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SortStore(ctx context.Context, key, store string, sort *Sort) *IntCmd {
	args := sort.args(key)
	if store != "" {
		args = append(args, "store", store)
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SortInterfaces(ctx context.Context, key string, sort *Sort) *SliceCmd {
	cmd := NewSliceCmd(ctx, sort.args(key)...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Touch(ctx context.Context, keys ...string) *IntCmd {
	args := make([]interface{}, len(keys)+1)
	args[0] = "touch"
	for i, key := range keys {
		args[i+1] = key
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) TTL(ctx context.Context, key string) *DurationCmd {
	cmd := NewDurationCmd(ctx, time.Second, "ttl", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Type(ctx context.Context, key string) *StatusCmd {
	cmd := NewStatusCmd(ctx, "type", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Append(ctx context.Context, key, value string) *IntCmd {
	cmd := NewIntCmd(ctx, "append", key, value)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Decr(ctx context.Context, key string) *IntCmd {
	cmd := NewIntCmd(ctx, "decr", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) DecrBy(ctx context.Context, key string, decrement int64) *IntCmd {
	cmd := NewIntCmd(ctx, "decrby", key, decrement)
	_ = c(ctx, cmd)
	return cmd
}

// Get Redis `GET key` command. It returns redis.Nil error when key does not exist.
func (c cmdable) Get(ctx context.Context, key string) *StringCmd {
	cmd := NewStringCmd(ctx, "get", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) GetRange(ctx context.Context, key string, start, end int64) *StringCmd {
	cmd := NewStringCmd(ctx, "getrange", key, start, end)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) GetSet(ctx context.Context, key string, value interface{}) *StringCmd {
	cmd := NewStringCmd(ctx, "getset", key, value)
	_ = c(ctx, cmd)
	return cmd
}

// GetEx An expiration of zero removes the TTL associated with the key (i.e. GETEX key persist).
// Requires Redis >= 6.2.0.
func (c cmdable) GetEx(ctx context.Context, key string, expiration time.Duration) *StringCmd {
	args := make([]interface{}, 0, 4)
	args = append(args, "getex", key)
	if expiration > 0 {
		if usePrecise(expiration) {
			args = append(args, "px", formatMs(ctx, expiration))
		} else {
			args = append(args, "ex", formatSec(ctx, expiration))
		}
	} else if expiration == 0 {
		args = append(args, "persist")
	}

	cmd := NewStringCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

// GetDel redis-server version >= 6.2.0.
func (c cmdable) GetDel(ctx context.Context, key string) *StringCmd {
	cmd := NewStringCmd(ctx, "getdel", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Incr(ctx context.Context, key string) *IntCmd {
	cmd := NewIntCmd(ctx, "incr", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) IncrBy(ctx context.Context, key string, value int64) *IntCmd {
	cmd := NewIntCmd(ctx, "incrby", key, value)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) IncrByFloat(ctx context.Context, key string, value float64) *FloatCmd {
	cmd := NewFloatCmd(ctx, "incrbyfloat", key, value)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) MGet(ctx context.Context, keys ...string) *SliceCmd {
	args := make([]interface{}, 1+len(keys))
	args[0] = "mget"
	for i, key := range keys {
		args[1+i] = key
	}
	cmd := NewSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

// MSet is like Set but accepts multiple values:
//   - MSet("key1", "value1", "key2", "value2")
//   - MSet([]string{"key1", "value1", "key2", "value2"})
//   - MSet(map[string]interface{}{"key1": "value1", "key2": "value2"})
func (c cmdable) MSet(ctx context.Context, values ...interface{}) *StatusCmd {
	args := make([]interface{}, 1, 1+len(values))
	args[0] = "mset"
	args = appendArgs(args, values)
	cmd := NewStatusCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

// MSetNX is like SetNX but accepts multiple values:
//   - MSetNX("key1", "value1", "key2", "value2")
//   - MSetNX([]string{"key1", "value1", "key2", "value2"})
//   - MSetNX(map[string]interface{}{"key1": "value1", "key2": "value2"})
func (c cmdable) MSetNX(ctx context.Context, values ...interface{}) *BoolCmd {
	args := make([]interface{}, 1, 1+len(values))
	args[0] = "msetnx"
	args = appendArgs(args, values)
	cmd := NewBoolCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

// Set Redis `SET key value [expiration]` command.
// Use expiration for `SETEX`-like behavior.
//
// Zero expiration means the key has no expiration time.
// KeepTTL is a Redis KEEPTTL option to keep existing TTL, it requires your redis-server version >= 6.0,
// otherwise you will receive an error: (error) ERR syntax error.
func (c cmdable) Set(ctx context.Context, key string, value interface{}, expiration time.Duration) *StatusCmd {
	args := make([]interface{}, 3, 5)
	args[0] = "set"
	args[1] = key
	args[2] = value
	if expiration > 0 {
		if usePrecise(expiration) {
			args = append(args, "px", formatMs(ctx, expiration))
		} else {
			args = append(args, "ex", formatSec(ctx, expiration))
		}
	} else if expiration == KeepTTL {
		args = append(args, "keepttl")
	}

	cmd := NewStatusCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

// SetArgs provides arguments for the SetArgs function.
type SetArgs struct {
	// Mode can be `NX` or `XX` or empty.
	Mode string

	// Zero `TTL` or `Expiration` means that the key has no expiration time.
	TTL      time.Duration
	ExpireAt time.Time

	// When Get is true, the command returns the old value stored at key, or nil when key did not exist.
	Get bool

	// KeepTTL is a Redis KEEPTTL option to keep existing TTL, it requires your redis-server version >= 6.0,
	// otherwise you will receive an error: (error) ERR syntax error.
	KeepTTL bool
}

// SetArgs supports all the options that the SET command supports.
// It is the alternative to the Set function when you want
// to have more control over the options.
func (c cmdable) SetArgs(ctx context.Context, key string, value interface{}, a SetArgs) *StatusCmd {
	args := []interface{}{"set", key, value}

	if a.KeepTTL {
		args = append(args, "keepttl")
	}

	if !a.ExpireAt.IsZero() {
		args = append(args, "exat", a.ExpireAt.Unix())
	}
	if a.TTL > 0 {
		if usePrecise(a.TTL) {
			args = append(args, "px", formatMs(ctx, a.TTL))
		} else {
			args = append(args, "ex", formatSec(ctx, a.TTL))
		}
	}

	if a.Mode != "" {
		args = append(args, a.Mode)
	}

	if a.Get {
		args = append(args, "get")
	}

	cmd := NewStatusCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

// SetEX Redis `SETEX key expiration value` command.
func (c cmdable) SetEX(ctx context.Context, key string, value interface{}, expiration time.Duration) *StatusCmd {
	cmd := NewStatusCmd(ctx, "setex", key, formatSec(ctx, expiration), value)
	_ = c(ctx, cmd)
	return cmd
}

// SetNX Redis `SET key value [expiration] NX` command.
//
// Zero expiration means the key has no expiration time.
// KeepTTL is a Redis KEEPTTL option to keep existing TTL, it requires your redis-server version >= 6.0,
// otherwise you will receive an error: (error) ERR syntax error.
func (c cmdable) SetNX(ctx context.Context, key string, value interface{}, expiration time.Duration) *BoolCmd {
	var cmd *BoolCmd
	switch expiration {
	case 0:
		// Use old `SETNX` to support old Redis versions.
		cmd = NewBoolCmd(ctx, "setnx", key, value)
	case KeepTTL:
		cmd = NewBoolCmd(ctx, "set", key, value, "keepttl", "nx")
	default:
		if usePrecise(expiration) {
			cmd = NewBoolCmd(ctx, "set", key, value, "px", formatMs(ctx, expiration), "nx")
		} else {
			cmd = NewBoolCmd(ctx, "set", key, value, "ex", formatSec(ctx, expiration), "nx")
		}
	}

	_ = c(ctx, cmd)
	return cmd
}

// SetXX Redis `SET key value [expiration] XX` command.
//
// Zero expiration means the key has no expiration time.
// KeepTTL is a Redis KEEPTTL option to keep existing TTL, it requires your redis-server version >= 6.0,
// otherwise you will receive an error: (error) ERR syntax error.
func (c cmdable) SetXX(ctx context.Context, key string, value interface{}, expiration time.Duration) *BoolCmd {
	var cmd *BoolCmd
	switch expiration {
	case 0:
		cmd = NewBoolCmd(ctx, "set", key, value, "xx")
	case KeepTTL:
		cmd = NewBoolCmd(ctx, "set", key, value, "keepttl", "xx")
	default:
		if usePrecise(expiration) {
			cmd = NewBoolCmd(ctx, "set", key, value, "px", formatMs(ctx, expiration), "xx")
		} else {
			cmd = NewBoolCmd(ctx, "set", key, value, "ex", formatSec(ctx, expiration), "xx")
		}
	}

	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SetRange(ctx context.Context, key string, offset int64, value string) *IntCmd {
	cmd := NewIntCmd(ctx, "setrange", key, offset, value)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) StrLen(ctx context.Context, key string) *IntCmd {
	cmd := NewIntCmd(ctx, "strlen", key)
	_ = c(ctx, cmd)
	return cmd
}

//------------------------------------------------------------------------------

func (c cmdable) GetBit(ctx context.Context, key string, offset int64) *IntCmd {
	cmd := NewIntCmd(ctx, "getbit", key, offset)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SetBit(ctx context.Context, key string, offset int64, value int) *IntCmd {
	cmd := NewIntCmd(
		ctx,
		"setbit",
		key,
		offset,
		value,
	)
	_ = c(ctx, cmd)
	return cmd
}

type BitCount struct {
	Start, End int64
}

func (c cmdable) BitCount(ctx context.Context, key string, bitCount *BitCount) *IntCmd {
	args := []interface{}{"bitcount", key}
	if bitCount != nil {
		args = append(
			args,
			bitCount.Start,
			bitCount.End,
		)
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) bitOp(ctx context.Context, op, destKey string, keys ...string) *IntCmd {
	args := make([]interface{}, 3+len(keys))
	args[0] = "bitop"
	args[1] = op
	args[2] = destKey
	for i, key := range keys {
		args[3+i] = key
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) BitOpAnd(ctx context.Context, destKey string, keys ...string) *IntCmd {
	return c.bitOp(ctx, "and", destKey, keys...)
}

func (c cmdable) BitOpOr(ctx context.Context, destKey string, keys ...string) *IntCmd {
	return c.bitOp(ctx, "or", destKey, keys...)
}

func (c cmdable) BitOpXor(ctx context.Context, destKey string, keys ...string) *IntCmd {
	return c.bitOp(ctx, "xor", destKey, keys...)
}

func (c cmdable) BitOpNot(ctx context.Context, destKey string, key string) *IntCmd {
	return c.bitOp(ctx, "not", destKey, key)
}

func (c cmdable) BitPos(ctx context.Context, key string, bit int64, pos ...int64) *IntCmd {
	args := make([]interface{}, 3+len(pos))
	args[0] = "bitpos"
	args[1] = key
	args[2] = bit
	switch len(pos) {
	case 0:
	case 1:
		args[3] = pos[0]
	case 2:
		args[3] = pos[0]
		args[4] = pos[1]
	default:
		panic("too many arguments")
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) BitField(ctx context.Context, key string, args ...interface{}) *IntSliceCmd {
	a := make([]interface{}, 0, 2+len(args))
	a = append(a, "bitfield")
	a = append(a, key)
	a = append(a, args...)
	cmd := NewIntSliceCmd(ctx, a...)
	_ = c(ctx, cmd)
	return cmd
}

//------------------------------------------------------------------------------

func (c cmdable) Scan(ctx context.Context, cursor uint64, match string, count int64) *ScanCmd {
	args := []interface{}{"scan", cursor}
	if match != "" {
		args = append(args, "match", match)
	}
	if count > 0 {
		args = append(args, "count", count)
	}
	cmd := NewScanCmd(ctx, c, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ScanType(ctx context.Context, cursor uint64, match string, count int64, keyType string) *ScanCmd {
	args := []interface{}{"scan", cursor}
	if match != "" {
		args = append(args, "match", match)
	}
	if count > 0 {
		args = append(args, "count", count)
	}
	if keyType != "" {
		args = append(args, "type", keyType)
	}
	cmd := NewScanCmd(ctx, c, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SScan(ctx context.Context, key string, cursor uint64, match string, count int64) *ScanCmd {
	args := []interface{}{"sscan", key, cursor}
	if match != "" {
		args = append(args, "match", match)
	}
	if count > 0 {
		args = append(args, "count", count)
	}
	cmd := NewScanCmd(ctx, c, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) HScan(ctx context.Context, key string, cursor uint64, match string, count int64) *ScanCmd {
	args := []interface{}{"hscan", key, cursor}
	if match != "" {
		args = append(args, "match", match)
	}
	if count > 0 {
		args = append(args, "count", count)
	}
	cmd := NewScanCmd(ctx, c, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZScan(ctx context.Context, key string, cursor uint64, match string, count int64) *ScanCmd {
	args := []interface{}{"zscan", key, cursor}
	if match != "" {
		args = append(args, "match", match)
	}
	if count > 0 {
		args = append(args, "count", count)
	}
	cmd := NewScanCmd(ctx, c, args...)
	_ = c(ctx, cmd)
	return cmd
}

//------------------------------------------------------------------------------

func (c cmdable) HDel(ctx context.Context, key string, fields ...string) *IntCmd {
	args := make([]interface{}, 2+len(fields))
	args[0] = "hdel"
	args[1] = key
	for i, field := range fields {
		args[2+i] = field
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) HExists(ctx context.Context, key, field string) *BoolCmd {
	cmd := NewBoolCmd(ctx, "hexists", key, field)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) HGet(ctx context.Context, key, field string) *StringCmd {
	cmd := NewStringCmd(ctx, "hget", key, field)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) HGetAll(ctx context.Context, key string) *StringStringMapCmd {
	cmd := NewStringStringMapCmd(ctx, "hgetall", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) HIncrBy(ctx context.Context, key, field string, incr int64) *IntCmd {
	cmd := NewIntCmd(ctx, "hincrby", key, field, incr)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) HIncrByFloat(ctx context.Context, key, field string, incr float64) *FloatCmd {
	cmd := NewFloatCmd(ctx, "hincrbyfloat", key, field, incr)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) HKeys(ctx context.Context, key string) *StringSliceCmd {
	cmd := NewStringSliceCmd(ctx, "hkeys", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) HLen(ctx context.Context, key string) *IntCmd {
	cmd := NewIntCmd(ctx, "hlen", key)
	_ = c(ctx, cmd)
	return cmd
}

// HMGet returns the values for the specified fields in the hash stored at key.
// It returns an interface{} to distinguish between empty string and nil value.
func (c cmdable) HMGet(ctx context.Context, key string, fields ...string) *SliceCmd {
	args := make([]interface{}, 2+len(fields))
	args[0] = "hmget"
	args[1] = key
	for i, field := range fields {
		args[2+i] = field
	}
	cmd := NewSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

// HSet accepts values in following formats:
//   - HSet("myhash", "key1", "value1", "key2", "value2")
//   - HSet("myhash", []string{"key1", "value1", "key2", "value2"})
//   - HSet("myhash", map[string]interface{}{"key1": "value1", "key2": "value2"})
//
// Note that it requires Redis v4 for multiple field/value pairs support.
func (c cmdable) HSet(ctx context.Context, key string, values ...interface{}) *IntCmd {
	args := make([]interface{}, 2, 2+len(values))
	args[0] = "hset"
	args[1] = key
	args = appendArgs(args, values)
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

// HMSet is a deprecated version of HSet left for compatibility with Redis 3.
func (c cmdable) HMSet(ctx context.Context, key string, values ...interface{}) *BoolCmd {
	args := make([]interface{}, 2, 2+len(values))
	args[0] = "hmset"
	args[1] = key
	args = appendArgs(args, values)
	cmd := NewBoolCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) HSetNX(ctx context.Context, key, field string, value interface{}) *BoolCmd {
	cmd := NewBoolCmd(ctx, "hsetnx", key, field, value)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) HVals(ctx context.Context, key string) *StringSliceCmd {
	cmd := NewStringSliceCmd(ctx, "hvals", key)
	_ = c(ctx, cmd)
	return cmd
}

// HRandField redis-server version >= 6.2.0.
func (c cmdable) HRandField(ctx context.Context, key string, count int, withValues bool) *StringSliceCmd {
	args := make([]interface{}, 0, 4)

	// Although count=0 is meaningless, redis accepts count=0.
	args = append(args, "hrandfield", key, count)
	if withValues {
		args = append(args, "withvalues")
	}

	cmd := NewStringSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

//------------------------------------------------------------------------------

func (c cmdable) BLPop(ctx context.Context, timeout time.Duration, keys ...string) *StringSliceCmd {
	args := make([]interface{}, 1+len(keys)+1)
	args[0] = "blpop"
	for i, key := range keys {
		args[1+i] = key
	}
	args[len(args)-1] = formatSec(ctx, timeout)
	cmd := NewStringSliceCmd(ctx, args...)
	cmd.setReadTimeout(timeout)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) BRPop(ctx context.Context, timeout time.Duration, keys ...string) *StringSliceCmd {
	args := make([]interface{}, 1+len(keys)+1)
	args[0] = "brpop"
	for i, key := range keys {
		args[1+i] = key
	}
	args[len(keys)+1] = formatSec(ctx, timeout)
	cmd := NewStringSliceCmd(ctx, args...)
	cmd.setReadTimeout(timeout)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) BRPopLPush(ctx context.Context, source, destination string, timeout time.Duration) *StringCmd {
	cmd := NewStringCmd(
		ctx,
		"brpoplpush",
		source,
		destination,
		formatSec(ctx, timeout),
	)
	cmd.setReadTimeout(timeout)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) LIndex(ctx context.Context, key string, index int64) *StringCmd {
	cmd := NewStringCmd(ctx, "lindex", key, index)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) LInsert(ctx context.Context, key, op string, pivot, value interface{}) *IntCmd {
	cmd := NewIntCmd(ctx, "linsert", key, op, pivot, value)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) LInsertBefore(ctx context.Context, key string, pivot, value interface{}) *IntCmd {
	cmd := NewIntCmd(ctx, "linsert", key, "before", pivot, value)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) LInsertAfter(ctx context.Context, key string, pivot, value interface{}) *IntCmd {
	cmd := NewIntCmd(ctx, "linsert", key, "after", pivot, value)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) LLen(ctx context.Context, key string) *IntCmd {
	cmd := NewIntCmd(ctx, "llen", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) LPop(ctx context.Context, key string) *StringCmd {
	cmd := NewStringCmd(ctx, "lpop", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) LPopCount(ctx context.Context, key string, count int) *StringSliceCmd {
	cmd := NewStringSliceCmd(ctx, "lpop", key, count)
	_ = c(ctx, cmd)
	return cmd
}

type LPosArgs struct {
	Rank, MaxLen int64
}

func (c cmdable) LPos(ctx context.Context, key string, value string, a LPosArgs) *IntCmd {
	args := []interface{}{"lpos", key, value}
	if a.Rank != 0 {
		args = append(args, "rank", a.Rank)
	}
	if a.MaxLen != 0 {
		args = append(args, "maxlen", a.MaxLen)
	}

	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) LPosCount(ctx context.Context, key string, value string, count int64, a LPosArgs) *IntSliceCmd {
	args := []interface{}{"lpos", key, value, "count", count}
	if a.Rank != 0 {
		args = append(args, "rank", a.Rank)
	}
	if a.MaxLen != 0 {
		args = append(args, "maxlen", a.MaxLen)
	}
	cmd := NewIntSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) LPush(ctx context.Context, key string, values ...interface{}) *IntCmd {
	args := make([]interface{}, 2, 2+len(values))
	args[0] = "lpush"
	args[1] = key
	args = appendArgs(args, values)
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) LPushX(ctx context.Context, key string, values ...interface{}) *IntCmd {
	args := make([]interface{}, 2, 2+len(values))
	args[0] = "lpushx"
	args[1] = key
	args = appendArgs(args, values)
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) LRange(ctx context.Context, key string, start, stop int64) *StringSliceCmd {
	cmd := NewStringSliceCmd(
		ctx,
		"lrange",
		key,
		start,
		stop,
	)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) LRem(ctx context.Context, key string, count int64, value interface{}) *IntCmd {
	cmd := NewIntCmd(ctx, "lrem", key, count, value)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) LSet(ctx context.Context, key string, index int64, value interface{}) *StatusCmd {
	cmd := NewStatusCmd(ctx, "lset", key, index, value)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) LTrim(ctx context.Context, key string, start, stop int64) *StatusCmd {
	cmd := NewStatusCmd(
		ctx,
		"ltrim",
		key,
		start,
		stop,
	)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) RPop(ctx context.Context, key string) *StringCmd {
	cmd := NewStringCmd(ctx, "rpop", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) RPopLPush(ctx context.Context, source, destination string) *StringCmd {
	cmd := NewStringCmd(ctx, "rpoplpush", source, destination)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) RPush(ctx context.Context, key string, values ...interface{}) *IntCmd {
	args := make([]interface{}, 2, 2+len(values))
	args[0] = "rpush"
	args[1] = key
	args = appendArgs(args, values)
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) RPushX(ctx context.Context, key string, values ...interface{}) *IntCmd {
	args := make([]interface{}, 2, 2+len(values))
	args[0] = "rpushx"
	args[1] = key
	args = appendArgs(args, values)
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) LMove(ctx context.Context, source, destination, srcpos, destpos string) *StringCmd {
	cmd := NewStringCmd(ctx, "lmove", source, destination, srcpos, destpos)
	_ = c(ctx, cmd)
	return cmd
}

//------------------------------------------------------------------------------

func (c cmdable) SAdd(ctx context.Context, key string, members ...interface{}) *IntCmd {
	args := make([]interface{}, 2, 2+len(members))
	args[0] = "sadd"
	args[1] = key
	args = appendArgs(args, members)
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SCard(ctx context.Context, key string) *IntCmd {
	cmd := NewIntCmd(ctx, "scard", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SDiff(ctx context.Context, keys ...string) *StringSliceCmd {
	args := make([]interface{}, 1+len(keys))
	args[0] = "sdiff"
	for i, key := range keys {
		args[1+i] = key
	}
	cmd := NewStringSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SDiffStore(ctx context.Context, destination string, keys ...string) *IntCmd {
	args := make([]interface{}, 2+len(keys))
	args[0] = "sdiffstore"
	args[1] = destination
	for i, key := range keys {
		args[2+i] = key
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SInter(ctx context.Context, keys ...string) *StringSliceCmd {
	args := make([]interface{}, 1+len(keys))
	args[0] = "sinter"
	for i, key := range keys {
		args[1+i] = key
	}
	cmd := NewStringSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SInterStore(ctx context.Context, destination string, keys ...string) *IntCmd {
	args := make([]interface{}, 2+len(keys))
	args[0] = "sinterstore"
	args[1] = destination
	for i, key := range keys {
		args[2+i] = key
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SIsMember(ctx context.Context, key string, member interface{}) *BoolCmd {
	cmd := NewBoolCmd(ctx, "sismember", key, member)
	_ = c(ctx, cmd)
	return cmd
}

// SMIsMember Redis `SMISMEMBER key member [member ...]` command.
func (c cmdable) SMIsMember(ctx context.Context, key string, members ...interface{}) *BoolSliceCmd {
	args := make([]interface{}, 2, 2+len(members))
	args[0] = "smismember"
	args[1] = key
	args = appendArgs(args, members)
	cmd := NewBoolSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

// SMembers Redis `SMEMBERS key` command output as a slice.
func (c cmdable) SMembers(ctx context.Context, key string) *StringSliceCmd {
	cmd := NewStringSliceCmd(ctx, "smembers", key)
	_ = c(ctx, cmd)
	return cmd
}

// SMembersMap Redis `SMEMBERS key` command output as a map.
func (c cmdable) SMembersMap(ctx context.Context, key string) *StringStructMapCmd {
	cmd := NewStringStructMapCmd(ctx, "smembers", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SMove(ctx context.Context, source, destination string, member interface{}) *BoolCmd {
	cmd := NewBoolCmd(ctx, "smove", source, destination, member)
	_ = c(ctx, cmd)
	return cmd
}

// SPop Redis `SPOP key` command.
func (c cmdable) SPop(ctx context.Context, key string) *StringCmd {
	cmd := NewStringCmd(ctx, "spop", key)
	_ = c(ctx, cmd)
	return cmd
}

// SPopN Redis `SPOP key count` command.
func (c cmdable) SPopN(ctx context.Context, key string, count int64) *StringSliceCmd {
	cmd := NewStringSliceCmd(ctx, "spop", key, count)
	_ = c(ctx, cmd)
	return cmd
}

// SRandMember Redis `SRANDMEMBER key` command.
func (c cmdable) SRandMember(ctx context.Context, key string) *StringCmd {
	cmd := NewStringCmd(ctx, "srandmember", key)
	_ = c(ctx, cmd)
	return cmd
}

// SRandMemberN Redis `SRANDMEMBER key count` command.
func (c cmdable) SRandMemberN(ctx context.Context, key string, count int64) *StringSliceCmd {
	cmd := NewStringSliceCmd(ctx, "srandmember", key, count)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SRem(ctx context.Context, key string, members ...interface{}) *IntCmd {
	args := make([]interface{}, 2, 2+len(members))
	args[0] = "srem"
	args[1] = key
	args = appendArgs(args, members)
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SUnion(ctx context.Context, keys ...string) *StringSliceCmd {
	args := make([]interface{}, 1+len(keys))
	args[0] = "sunion"
	for i, key := range keys {
		args[1+i] = key
	}
	cmd := NewStringSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SUnionStore(ctx context.Context, destination string, keys ...string) *IntCmd {
	args := make([]interface{}, 2+len(keys))
	args[0] = "sunionstore"
	args[1] = destination
	for i, key := range keys {
		args[2+i] = key
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

//------------------------------------------------------------------------------

// XAddArgs accepts values in the following formats:
//   - XAddArgs.Values = []interface{}{"key1", "value1", "key2", "value2"}
//   - XAddArgs.Values = []string("key1", "value1", "key2", "value2")
//   - XAddArgs.Values = map[string]interface{}{"key1": "value1", "key2": "value2"}
//
// Note that map will not preserve the order of key-value pairs.
// MaxLen/MaxLenApprox and MinID are in conflict, only one of them can be used.
type XAddArgs struct {
	Stream     string
	NoMkStream bool
	MaxLen     int64 // MAXLEN N

	// Deprecated: use MaxLen+Approx, remove in v9.
	MaxLenApprox int64 // MAXLEN ~ N

	MinID string
	// Approx causes MaxLen and MinID to use "~" matcher (instead of "=").
	Approx bool
	Limit  int64
	ID     string
	Values interface{}
}

// XAdd a.Limit has a bug, please confirm it and use it.
// issue: https://github.com/redis/redis/issues/9046
func (c cmdable) XAdd(ctx context.Context, a *XAddArgs) *StringCmd {
	args := make([]interface{}, 0, 11)
	args = append(args, "xadd", a.Stream)
	if a.NoMkStream {
		args = append(args, "nomkstream")
	}
	switch {
	case a.MaxLen > 0:
		if a.Approx {
			args = append(args, "maxlen", "~", a.MaxLen)
		} else {
			args = append(args, "maxlen", a.MaxLen)
		}
	case a.MaxLenApprox > 0:
		// TODO remove in v9.
		args = append(args, "maxlen", "~", a.MaxLenApprox)
	case a.MinID != "":
		if a.Approx {
			args = append(args, "minid", "~", a.MinID)
		} else {
			args = append(args, "minid", a.MinID)
		}
	}
	if a.Limit > 0 {
		args = append(args, "limit", a.Limit)
	}
	if a.ID != "" {
		args = append(args, a.ID)
	} else {
		args = append(args, "*")
	}
	args = appendArg(args, a.Values)

	cmd := NewStringCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) XDel(ctx context.Context, stream string, ids ...string) *IntCmd {
	args := []interface{}{"xdel", stream}
	for _, id := range ids {
		args = append(args, id)
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) XLen(ctx context.Context, stream string) *IntCmd {
	cmd := NewIntCmd(ctx, "xlen", stream)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) XRange(ctx context.Context, stream, start, stop string) *XMessageSliceCmd {
	cmd := NewXMessageSliceCmd(ctx, "xrange", stream, start, stop)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) XRangeN(ctx context.Context, stream, start, stop string, count int64) *XMessageSliceCmd {
	cmd := NewXMessageSliceCmd(ctx, "xrange", stream, start, stop, "count", count)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) XRevRange(ctx context.Context, stream, start, stop string) *XMessageSliceCmd {
	cmd := NewXMessageSliceCmd(ctx, "xrevrange", stream, start, stop)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) XRevRangeN(ctx context.Context, stream, start, stop string, count int64) *XMessageSliceCmd {
	cmd := NewXMessageSliceCmd(ctx, "xrevrange", stream, start, stop, "count", count)
	_ = c(ctx, cmd)
	return cmd
}

type XReadArgs struct {
	Streams []string // list of streams and ids, e.g. stream1 stream2 id1 id2
	Count   int64
	Block   time.Duration
}

func (c cmdable) XRead(ctx context.Context, a *XReadArgs) *XStreamSliceCmd {
	args := make([]interface{}, 0, 5+len(a.Streams))
	args = append(args, "xread")

	keyPos := int8(1)
	if a.Count > 0 {
		args = append(args, "count")
		args = append(args, a.Count)
		keyPos += 2
	}
	if a.Block >= 0 {
		args = append(args, "block")
		args = append(args, int64(a.Block/time.Millisecond))
		keyPos += 2
	}
	args = append(args, "streams")
	keyPos++
	for _, s := range a.Streams {
		args = append(args, s)
	}

	cmd := NewXStreamSliceCmd(ctx, args...)
	if a.Block >= 0 {
		cmd.setReadTimeout(a.Block)
	}
	cmd.setFirstKeyPos(keyPos)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) XReadStreams(ctx context.Context, streams ...string) *XStreamSliceCmd {
	return c.XRead(ctx, &XReadArgs{
		Streams: streams,
		Block:   -1,
	})
}

func (c cmdable) XGroupCreate(ctx context.Context, stream, group, start string) *StatusCmd {
	cmd := NewStatusCmd(ctx, "xgroup", "create", stream, group, start)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) XGroupCreateMkStream(ctx context.Context, stream, group, start string) *StatusCmd {
	cmd := NewStatusCmd(ctx, "xgroup", "create", stream, group, start, "mkstream")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) XGroupSetID(ctx context.Context, stream, group, start string) *StatusCmd {
	cmd := NewStatusCmd(ctx, "xgroup", "setid", stream, group, start)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) XGroupDestroy(ctx context.Context, stream, group string) *IntCmd {
	cmd := NewIntCmd(ctx, "xgroup", "destroy", stream, group)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) XGroupCreateConsumer(ctx context.Context, stream, group, consumer string) *IntCmd {
	cmd := NewIntCmd(ctx, "xgroup", "createconsumer", stream, group, consumer)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) XGroupDelConsumer(ctx context.Context, stream, group, consumer string) *IntCmd {
	cmd := NewIntCmd(ctx, "xgroup", "delconsumer", stream, group, consumer)
	_ = c(ctx, cmd)
	return cmd
}

type XReadGroupArgs struct {
	Group    string
	Consumer string
	Streams  []string // list of streams and ids, e.g. stream1 stream2 id1 id2
	Count    int64
	Block    time.Duration
	NoAck    bool
}

func (c cmdable) XReadGroup(ctx context.Context, a *XReadGroupArgs) *XStreamSliceCmd {
	args := make([]interface{}, 0, 8+len(a.Streams))
	args = append(args, "xreadgroup", "group", a.Group, a.Consumer)

	keyPos := int8(4)
	if a.Count > 0 {
		args = append(args, "count", a.Count)
		keyPos += 2
	}
	if a.Block >= 0 {
		args = append(args, "block", int64(a.Block/time.Millisecond))
		keyPos += 2
	}
	if a.NoAck {
		args = append(args, "noack")
		keyPos++
	}
	args = append(args, "streams")
	keyPos++
	for _, s := range a.Streams {
		args = append(args, s)
	}

	cmd := NewXStreamSliceCmd(ctx, args...)
	if a.Block >= 0 {
		cmd.setReadTimeout(a.Block)
	}
	cmd.setFirstKeyPos(keyPos)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) XAck(ctx context.Context, stream, group string, ids ...string) *IntCmd {
	args := []interface{}{"xack", stream, group}
	for _, id := range ids {
		args = append(args, id)
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) XPending(ctx context.Context, stream, group string) *XPendingCmd {
	cmd := NewXPendingCmd(ctx, "xpending", stream, group)
	_ = c(ctx, cmd)
	return cmd
}

type XPendingExtArgs struct {
	Stream   string
	Group    string
	Idle     time.Duration
	Start    string
	End      string
	Count    int64
	Consumer string
}

func (c cmdable) XPendingExt(ctx context.Context, a *XPendingExtArgs) *XPendingExtCmd {
	args := make([]interface{}, 0, 9)
	args = append(args, "xpending", a.Stream, a.Group)
	if a.Idle != 0 {
		args = append(args, "idle", formatMs(ctx, a.Idle))
	}
	args = append(args, a.Start, a.End, a.Count)
	if a.Consumer != "" {
		args = append(args, a.Consumer)
	}
	cmd := NewXPendingExtCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

type XAutoClaimArgs struct {
	Stream   string
	Group    string
	MinIdle  time.Duration
	Start    string
	Count    int64
	Consumer string
}

func (c cmdable) XAutoClaim(ctx context.Context, a *XAutoClaimArgs) *XAutoClaimCmd {
	args := xAutoClaimArgs(ctx, a)
	cmd := NewXAutoClaimCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) XAutoClaimJustID(ctx context.Context, a *XAutoClaimArgs) *XAutoClaimJustIDCmd {
	args := xAutoClaimArgs(ctx, a)
	args = append(args, "justid")
	cmd := NewXAutoClaimJustIDCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func xAutoClaimArgs(ctx context.Context, a *XAutoClaimArgs) []interface{} {
	args := make([]interface{}, 0, 9)
	args = append(args, "xautoclaim", a.Stream, a.Group, a.Consumer, formatMs(ctx, a.MinIdle), a.Start)
	if a.Count > 0 {
		args = append(args, "count", a.Count)
	}
	return args
}

type XClaimArgs struct {
	Stream   string
	Group    string
	Consumer string
	MinIdle  time.Duration
	Messages []string
}

func (c cmdable) XClaim(ctx context.Context, a *XClaimArgs) *XMessageSliceCmd {
	args := xClaimArgs(a)
	cmd := NewXMessageSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) XClaimJustID(ctx context.Context, a *XClaimArgs) *StringSliceCmd {
	args := xClaimArgs(a)
	args = append(args, "justid")
	cmd := NewStringSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func xClaimArgs(a *XClaimArgs) []interface{} {
	args := make([]interface{}, 0, 4+len(a.Messages))
	args = append(args,
		"xclaim",
		a.Stream,
		a.Group, a.Consumer,
		int64(a.MinIdle/time.Millisecond))
	for _, id := range a.Messages {
		args = append(args, id)
	}
	return args
}

// xTrim If approx is true, add the "~" parameter, otherwise it is the default "=" (redis default).
// example:
//		XTRIM key MAXLEN/MINID threshold LIMIT limit.
//		XTRIM key MAXLEN/MINID ~ threshold LIMIT limit.
// The redis-server version is lower than 6.2, please set limit to 0.
func (c cmdable) xTrim(
	ctx context.Context, key, strategy string,
	approx bool, threshold interface{}, limit int64,
) *IntCmd {
	args := make([]interface{}, 0, 7)
	args = append(args, "xtrim", key, strategy)
	if approx {
		args = append(args, "~")
	}
	args = append(args, threshold)
	if limit > 0 {
		args = append(args, "limit", limit)
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

// Deprecated: use XTrimMaxLen, remove in v9.
func (c cmdable) XTrim(ctx context.Context, key string, maxLen int64) *IntCmd {
	return c.xTrim(ctx, key, "maxlen", false, maxLen, 0)
}

// Deprecated: use XTrimMaxLenApprox, remove in v9.
func (c cmdable) XTrimApprox(ctx context.Context, key string, maxLen int64) *IntCmd {
	return c.xTrim(ctx, key, "maxlen", true, maxLen, 0)
}

// XTrimMaxLen No `~` rules are used, `limit` cannot be used.
// cmd: XTRIM key MAXLEN maxLen
func (c cmdable) XTrimMaxLen(ctx context.Context, key string, maxLen int64) *IntCmd {
	return c.xTrim(ctx, key, "maxlen", false, maxLen, 0)
}

// XTrimMaxLenApprox LIMIT has a bug, please confirm it and use it.
// issue: https://github.com/redis/redis/issues/9046
// cmd: XTRIM key MAXLEN ~ maxLen LIMIT limit
func (c cmdable) XTrimMaxLenApprox(ctx context.Context, key string, maxLen, limit int64) *IntCmd {
	return c.xTrim(ctx, key, "maxlen", true, maxLen, limit)
}

// XTrimMinID No `~` rules are used, `limit` cannot be used.
// cmd: XTRIM key MINID minID
func (c cmdable) XTrimMinID(ctx context.Context, key string, minID string) *IntCmd {
	return c.xTrim(ctx, key, "minid", false, minID, 0)
}

// XTrimMinIDApprox LIMIT has a bug, please confirm it and use it.
// issue: https://github.com/redis/redis/issues/9046
// cmd: XTRIM key MINID ~ minID LIMIT limit
func (c cmdable) XTrimMinIDApprox(ctx context.Context, key string, minID string, limit int64) *IntCmd {
	return c.xTrim(ctx, key, "minid", true, minID, limit)
}

func (c cmdable) XInfoConsumers(ctx context.Context, key string, group string) *XInfoConsumersCmd {
	cmd := NewXInfoConsumersCmd(ctx, key, group)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) XInfoGroups(ctx context.Context, key string) *XInfoGroupsCmd {
	cmd := NewXInfoGroupsCmd(ctx, key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) XInfoStream(ctx context.Context, key string) *XInfoStreamCmd {
	cmd := NewXInfoStreamCmd(ctx, key)
	_ = c(ctx, cmd)
	return cmd
}

// XInfoStreamFull XINFO STREAM FULL [COUNT count]
// redis-server >= 6.0.
func (c cmdable) XInfoStreamFull(ctx context.Context, key string, count int) *XInfoStreamFullCmd {
	args := make([]interface{}, 0, 6)
	args = append(args, "xinfo", "stream", key, "full")
	if count > 0 {
		args = append(args, "count", count)
	}
	cmd := NewXInfoStreamFullCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

//------------------------------------------------------------------------------

// Z represents sorted set member.
type Z struct {
	Score  float64
	Member interface{}
}

// ZWithKey represents sorted set member including the name of the key where it was popped.
type ZWithKey struct {
	Z
	Key string
}

// ZStore is used as an arg to ZInter/ZInterStore and ZUnion/ZUnionStore.
type ZStore struct {
	Keys    []string
	Weights []float64
	// Can be SUM, MIN or MAX.
	Aggregate string
}

func (z ZStore) len() (n int) {
	n = len(z.Keys)
	if len(z.Weights) > 0 {
		n += 1 + len(z.Weights)
	}
	if z.Aggregate != "" {
		n += 2
	}
	return n
}

func (z ZStore) appendArgs(args []interface{}) []interface{} {
	for _, key := range z.Keys {
		args = append(args, key)
	}
	if len(z.Weights) > 0 {
		args = append(args, "weights")
		for _, weights := range z.Weights {
			args = append(args, weights)
		}
	}
	if z.Aggregate != "" {
		args = append(args, "aggregate", z.Aggregate)
	}
	return args
}

// BZPopMax Redis `BZPOPMAX key [key ...] timeout` command.
func (c cmdable) BZPopMax(ctx context.Context, timeout time.Duration, keys ...string) *ZWithKeyCmd {
	args := make([]interface{}, 1+len(keys)+1)
	args[0] = "bzpopmax"
	for i, key := range keys {
		args[1+i] = key
	}
	args[len(args)-1] = formatSec(ctx, timeout)
	cmd := NewZWithKeyCmd(ctx, args...)
	cmd.setReadTimeout(timeout)
	_ = c(ctx, cmd)
	return cmd
}

// BZPopMin Redis `BZPOPMIN key [key ...] timeout` command.
func (c cmdable) BZPopMin(ctx context.Context, timeout time.Duration, keys ...string) *ZWithKeyCmd {
	args := make([]interface{}, 1+len(keys)+1)
	args[0] = "bzpopmin"
	for i, key := range keys {
		args[1+i] = key
	}
	args[len(args)-1] = formatSec(ctx, timeout)
	cmd := NewZWithKeyCmd(ctx, args...)
	cmd.setReadTimeout(timeout)
	_ = c(ctx, cmd)
	return cmd
}

// ZAddArgs WARN: The GT, LT and NX options are mutually exclusive.
type ZAddArgs struct {
	NX      bool
	XX      bool
	LT      bool
	GT      bool
	Ch      bool
	Members []Z
}

func (c cmdable) zAddArgs(key string, args ZAddArgs, incr bool) []interface{} {
	a := make([]interface{}, 0, 6+2*len(args.Members))
	a = append(a, "zadd", key)

	// The GT, LT and NX options are mutually exclusive.
	if args.NX {
		a = append(a, "nx")
	} else {
		if args.XX {
			a = append(a, "xx")
		}
		if args.GT {
			a = append(a, "gt")
		} else if args.LT {
			a = append(a, "lt")
		}
	}
	if args.Ch {
		a = append(a, "ch")
	}
	if incr {
		a = append(a, "incr")
	}
	for _, m := range args.Members {
		a = append(a, m.Score)
		a = append(a, m.Member)
	}
	return a
}

func (c cmdable) ZAddArgs(ctx context.Context, key string, args ZAddArgs) *IntCmd {
	cmd := NewIntCmd(ctx, c.zAddArgs(key, args, false)...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZAddArgsIncr(ctx context.Context, key string, args ZAddArgs) *FloatCmd {
	cmd := NewFloatCmd(ctx, c.zAddArgs(key, args, true)...)
	_ = c(ctx, cmd)
	return cmd
}

// TODO: Compatible with v8 api, will be removed in v9.
func (c cmdable) zAdd(ctx context.Context, key string, args ZAddArgs, members ...*Z) *IntCmd {
	args.Members = make([]Z, len(members))
	for i, m := range members {
		args.Members[i] = *m
	}
	cmd := NewIntCmd(ctx, c.zAddArgs(key, args, false)...)
	_ = c(ctx, cmd)
	return cmd
}

// ZAdd Redis `ZADD key score member [score member ...]` command.
func (c cmdable) ZAdd(ctx context.Context, key string, members ...*Z) *IntCmd {
	return c.zAdd(ctx, key, ZAddArgs{}, members...)
}

// ZAddNX Redis `ZADD key NX score member [score member ...]` command.
func (c cmdable) ZAddNX(ctx context.Context, key string, members ...*Z) *IntCmd {
	return c.zAdd(ctx, key, ZAddArgs{
		NX: true,
	}, members...)
}

// ZAddXX Redis `ZADD key XX score member [score member ...]` command.
func (c cmdable) ZAddXX(ctx context.Context, key string, members ...*Z) *IntCmd {
	return c.zAdd(ctx, key, ZAddArgs{
		XX: true,
	}, members...)
}

// ZAddCh Redis `ZADD key CH score member [score member ...]` command.
// Deprecated: Use
//		client.ZAddArgs(ctx, ZAddArgs{
//			Ch: true,
//			Members: []Z,
//		})
//	remove in v9.
func (c cmdable) ZAddCh(ctx context.Context, key string, members ...*Z) *IntCmd {
	return c.zAdd(ctx, key, ZAddArgs{
		Ch: true,
	}, members...)
}

// ZAddNXCh Redis `ZADD key NX CH score member [score member ...]` command.
// Deprecated: Use
//		client.ZAddArgs(ctx, ZAddArgs{
//			NX: true,
//			Ch: true,
//			Members: []Z,
//		})
//	remove in v9.
func (c cmdable) ZAddNXCh(ctx context.Context, key string, members ...*Z) *IntCmd {
	return c.zAdd(ctx, key, ZAddArgs{
		NX: true,
		Ch: true,
	}, members...)
}

// ZAddXXCh Redis `ZADD key XX CH score member [score member ...]` command.
// Deprecated: Use
//		client.ZAddArgs(ctx, ZAddArgs{
//			XX: true,
//			Ch: true,
//			Members: []Z,
//		})
//	remove in v9.
func (c cmdable) ZAddXXCh(ctx context.Context, key string, members ...*Z) *IntCmd {
	return c.zAdd(ctx, key, ZAddArgs{
		XX: true,
		Ch: true,
	}, members...)
}

// ZIncr Redis `ZADD key INCR score member` command.
// Deprecated: Use
//		client.ZAddArgsIncr(ctx, ZAddArgs{
//			Members: []Z,
//		})
//	remove in v9.
func (c cmdable) ZIncr(ctx context.Context, key string, member *Z) *FloatCmd {
	return c.ZAddArgsIncr(ctx, key, ZAddArgs{
		Members: []Z{*member},
	})
}

// ZIncrNX Redis `ZADD key NX INCR score member` command.
// Deprecated: Use
//		client.ZAddArgsIncr(ctx, ZAddArgs{
//			NX: true,
//			Members: []Z,
//		})
//	remove in v9.
func (c cmdable) ZIncrNX(ctx context.Context, key string, member *Z) *FloatCmd {
	return c.ZAddArgsIncr(ctx, key, ZAddArgs{
		NX:      true,
		Members: []Z{*member},
	})
}

// ZIncrXX Redis `ZADD key XX INCR score member` command.
// Deprecated: Use
//		client.ZAddArgsIncr(ctx, ZAddArgs{
//			XX: true,
//			Members: []Z,
//		})
//	remove in v9.
func (c cmdable) ZIncrXX(ctx context.Context, key string, member *Z) *FloatCmd {
	return c.ZAddArgsIncr(ctx, key, ZAddArgs{
		XX:      true,
		Members: []Z{*member},
	})
}

func (c cmdable) ZCard(ctx context.Context, key string) *IntCmd {
	cmd := NewIntCmd(ctx, "zcard", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZCount(ctx context.Context, key, min, max string) *IntCmd {
	cmd := NewIntCmd(ctx, "zcount", key, min, max)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZLexCount(ctx context.Context, key, min, max string) *IntCmd {
	cmd := NewIntCmd(ctx, "zlexcount", key, min, max)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZIncrBy(ctx context.Context, key string, increment float64, member string) *FloatCmd {
	cmd := NewFloatCmd(ctx, "zincrby", key, increment, member)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZInterStore(ctx context.Context, destination string, store *ZStore) *IntCmd {
	args := make([]interface{}, 0, 3+store.len())
	args = append(args, "zinterstore", destination, len(store.Keys))
	args = store.appendArgs(args)
	cmd := NewIntCmd(ctx, args...)
	cmd.setFirstKeyPos(3)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZInter(ctx context.Context, store *ZStore) *StringSliceCmd {
	args := make([]interface{}, 0, 2+store.len())
	args = append(args, "zinter", len(store.Keys))
	args = store.appendArgs(args)
	cmd := NewStringSliceCmd(ctx, args...)
	cmd.setFirstKeyPos(2)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZInterWithScores(ctx context.Context, store *ZStore) *ZSliceCmd {
	args := make([]interface{}, 0, 3+store.len())
	args = append(args, "zinter", len(store.Keys))
	args = store.appendArgs(args)
	args = append(args, "withscores")
	cmd := NewZSliceCmd(ctx, args...)
	cmd.setFirstKeyPos(2)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZMScore(ctx context.Context, key string, members ...string) *FloatSliceCmd {
	args := make([]interface{}, 2+len(members))
	args[0] = "zmscore"
	args[1] = key
	for i, member := range members {
		args[2+i] = member
	}
	cmd := NewFloatSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZPopMax(ctx context.Context, key string, count ...int64) *ZSliceCmd {
	args := []interface{}{
		"zpopmax",
		key,
	}

	switch len(count) {
	case 0:
		break
	case 1:
		args = append(args, count[0])
	default:
		panic("too many arguments")
	}

	cmd := NewZSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZPopMin(ctx context.Context, key string, count ...int64) *ZSliceCmd {
	args := []interface{}{
		"zpopmin",
		key,
	}

	switch len(count) {
	case 0:
		break
	case 1:
		args = append(args, count[0])
	default:
		panic("too many arguments")
	}

	cmd := NewZSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

// ZRangeArgs is all the options of the ZRange command.
// In version> 6.2.0, you can replace the(cmd):
//		ZREVRANGE,
//		ZRANGEBYSCORE,
//		ZREVRANGEBYSCORE,
//		ZRANGEBYLEX,
//		ZREVRANGEBYLEX.
// Please pay attention to your redis-server version.
//
// Rev, ByScore, ByLex and Offset+Count options require redis-server 6.2.0 and higher.
type ZRangeArgs struct {
	Key string

	// When the ByScore option is provided, the open interval(exclusive) can be set.
	// By default, the score intervals specified by <Start> and <Stop> are closed (inclusive).
	// It is similar to the deprecated(6.2.0+) ZRangeByScore command.
	// For example:
	//		ZRangeArgs{
	//			Key: 				"example-key",
	//	 		Start: 				"(3",
	//	 		Stop: 				8,
	//			ByScore:			true,
	//	 	}
	// 	 	cmd: "ZRange example-key (3 8 ByScore"  (3 < score <= 8).
	//
	// For the ByLex option, it is similar to the deprecated(6.2.0+) ZRangeByLex command.
	// You can set the <Start> and <Stop> options as follows:
	//		ZRangeArgs{
	//			Key: 				"example-key",
	//	 		Start: 				"[abc",
	//	 		Stop: 				"(def",
	//			ByLex:				true,
	//	 	}
	//		cmd: "ZRange example-key [abc (def ByLex"
	//
	// For normal cases (ByScore==false && ByLex==false), <Start> and <Stop> should be set to the index range (int).
	// You can read the documentation for more information: https://redis.io/commands/zrange
	Start interface{}
	Stop  interface{}

	// The ByScore and ByLex options are mutually exclusive.
	ByScore bool
	ByLex   bool

	Rev bool

	// limit offset count.
	Offset int64
	Count  int64
}

func (z ZRangeArgs) appendArgs(args []interface{}) []interface{} {
	// For Rev+ByScore/ByLex, we need to adjust the position of <Start> and <Stop>.
	if z.Rev && (z.ByScore || z.ByLex) {
		args = append(args, z.Key, z.Stop, z.Start)
	} else {
		args = append(args, z.Key, z.Start, z.Stop)
	}

	if z.ByScore {
		args = append(args, "byscore")
	} else if z.ByLex {
		args = append(args, "bylex")
	}
	if z.Rev {
		args = append(args, "rev")
	}
	if z.Offset != 0 || z.Count != 0 {
		args = append(args, "limit", z.Offset, z.Count)
	}
	return args
}

func (c cmdable) ZRangeArgs(ctx context.Context, z ZRangeArgs) *StringSliceCmd {
	args := make([]interface{}, 0, 9)
	args = append(args, "zrange")
	args = z.appendArgs(args)
	cmd := NewStringSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZRangeArgsWithScores(ctx context.Context, z ZRangeArgs) *ZSliceCmd {
	args := make([]interface{}, 0, 10)
	args = append(args, "zrange")
	args = z.appendArgs(args)
	args = append(args, "withscores")
	cmd := NewZSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZRange(ctx context.Context, key string, start, stop int64) *StringSliceCmd {
	return c.ZRangeArgs(ctx, ZRangeArgs{
		Key:   key,
		Start: start,
		Stop:  stop,
	})
}

func (c cmdable) ZRangeWithScores(ctx context.Context, key string, start, stop int64) *ZSliceCmd {
	return c.ZRangeArgsWithScores(ctx, ZRangeArgs{
		Key:   key,
		Start: start,
		Stop:  stop,
	})
}

type ZRangeBy struct {
	Min, Max      string
	Offset, Count int64
}

func (c cmdable) zRangeBy(ctx context.Context, zcmd, key string, opt *ZRangeBy, withScores bool) *StringSliceCmd {
	args := []interface{}{zcmd, key, opt.Min, opt.Max}
	if withScores {
		args = append(args, "withscores")
	}
	if opt.Offset != 0 || opt.Count != 0 {
		args = append(
			args,
			"limit",
			opt.Offset,
			opt.Count,
		)
	}
	cmd := NewStringSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZRangeByScore(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd {
	return c.zRangeBy(ctx, "zrangebyscore", key, opt, false)
}

func (c cmdable) ZRangeByLex(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd {
	return c.zRangeBy(ctx, "zrangebylex", key, opt, false)
}

func (c cmdable) ZRangeByScoreWithScores(ctx context.Context, key string, opt *ZRangeBy) *ZSliceCmd {
	args := []interface{}{"zrangebyscore", key, opt.Min, opt.Max, "withscores"}
	if opt.Offset != 0 || opt.Count != 0 {
		args = append(
			args,
			"limit",
			opt.Offset,
			opt.Count,
		)
	}
	cmd := NewZSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZRangeStore(ctx context.Context, dst string, z ZRangeArgs) *IntCmd {
	args := make([]interface{}, 0, 10)
	args = append(args, "zrangestore", dst)
	args = z.appendArgs(args)
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZRank(ctx context.Context, key, member string) *IntCmd {
	cmd := NewIntCmd(ctx, "zrank", key, member)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZRem(ctx context.Context, key string, members ...interface{}) *IntCmd {
	args := make([]interface{}, 2, 2+len(members))
	args[0] = "zrem"
	args[1] = key
	args = appendArgs(args, members)
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZRemRangeByRank(ctx context.Context, key string, start, stop int64) *IntCmd {
	cmd := NewIntCmd(
		ctx,
		"zremrangebyrank",
		key,
		start,
		stop,
	)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZRemRangeByScore(ctx context.Context, key, min, max string) *IntCmd {
	cmd := NewIntCmd(ctx, "zremrangebyscore", key, min, max)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZRemRangeByLex(ctx context.Context, key, min, max string) *IntCmd {
	cmd := NewIntCmd(ctx, "zremrangebylex", key, min, max)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZRevRange(ctx context.Context, key string, start, stop int64) *StringSliceCmd {
	cmd := NewStringSliceCmd(ctx, "zrevrange", key, start, stop)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZRevRangeWithScores(ctx context.Context, key string, start, stop int64) *ZSliceCmd {
	cmd := NewZSliceCmd(ctx, "zrevrange", key, start, stop, "withscores")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) zRevRangeBy(ctx context.Context, zcmd, key string, opt *ZRangeBy) *StringSliceCmd {
	args := []interface{}{zcmd, key, opt.Max, opt.Min}
	if opt.Offset != 0 || opt.Count != 0 {
		args = append(
			args,
			"limit",
			opt.Offset,
			opt.Count,
		)
	}
	cmd := NewStringSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZRevRangeByScore(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd {
	return c.zRevRangeBy(ctx, "zrevrangebyscore", key, opt)
}

func (c cmdable) ZRevRangeByLex(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd {
	return c.zRevRangeBy(ctx, "zrevrangebylex", key, opt)
}

func (c cmdable) ZRevRangeByScoreWithScores(ctx context.Context, key string, opt *ZRangeBy) *ZSliceCmd {
	args := []interface{}{"zrevrangebyscore", key, opt.Max, opt.Min, "withscores"}
	if opt.Offset != 0 || opt.Count != 0 {
		args = append(
			args,
			"limit",
			opt.Offset,
			opt.Count,
		)
	}
	cmd := NewZSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZRevRank(ctx context.Context, key, member string) *IntCmd {
	cmd := NewIntCmd(ctx, "zrevrank", key, member)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZScore(ctx context.Context, key, member string) *FloatCmd {
	cmd := NewFloatCmd(ctx, "zscore", key, member)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZUnion(ctx context.Context, store ZStore) *StringSliceCmd {
	args := make([]interface{}, 0, 2+store.len())
	args = append(args, "zunion", len(store.Keys))
	args = store.appendArgs(args)
	cmd := NewStringSliceCmd(ctx, args...)
	cmd.setFirstKeyPos(2)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZUnionWithScores(ctx context.Context, store ZStore) *ZSliceCmd {
	args := make([]interface{}, 0, 3+store.len())
	args = append(args, "zunion", len(store.Keys))
	args = store.appendArgs(args)
	args = append(args, "withscores")
	cmd := NewZSliceCmd(ctx, args...)
	cmd.setFirstKeyPos(2)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ZUnionStore(ctx context.Context, dest string, store *ZStore) *IntCmd {
	args := make([]interface{}, 0, 3+store.len())
	args = append(args, "zunionstore", dest, len(store.Keys))
	args = store.appendArgs(args)
	cmd := NewIntCmd(ctx, args...)
	cmd.setFirstKeyPos(3)
	_ = c(ctx, cmd)
	return cmd
}

// ZRandMember redis-server version >= 6.2.0.
func (c cmdable) ZRandMember(ctx context.Context, key string, count int, withScores bool) *StringSliceCmd {
	args := make([]interface{}, 0, 4)

	// Although count=0 is meaningless, redis accepts count=0.
	args = append(args, "zrandmember", key, count)
	if withScores {
		args = append(args, "withscores")
	}

	cmd := NewStringSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

// ZDiff redis-server version >= 6.2.0.
func (c cmdable) ZDiff(ctx context.Context, keys ...string) *StringSliceCmd {
	args := make([]interface{}, 2+len(keys))
	args[0] = "zdiff"
	args[1] = len(keys)
	for i, key := range keys {
		args[i+2] = key
	}

	cmd := NewStringSliceCmd(ctx, args...)
	cmd.setFirstKeyPos(2)
	_ = c(ctx, cmd)
	return cmd
}

// ZDiffWithScores redis-server version >= 6.2.0.
func (c cmdable) ZDiffWithScores(ctx context.Context, keys ...string) *ZSliceCmd {
	args := make([]interface{}, 3+len(keys))
	args[0] = "zdiff"
	args[1] = len(keys)
	for i, key := range keys {
		args[i+2] = key
	}
	args[len(keys)+2] = "withscores"

	cmd := NewZSliceCmd(ctx, args...)
	cmd.setFirstKeyPos(2)
	_ = c(ctx, cmd)
	return cmd
}

// ZDiffStore redis-server version >=6.2.0.
func (c cmdable) ZDiffStore(ctx context.Context, destination string, keys ...string) *IntCmd {
	args := make([]interface{}, 0, 3+len(keys))
	args = append(args, "zdiffstore", destination, len(keys))
	for _, key := range keys {
		args = append(args, key)
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

//------------------------------------------------------------------------------

func (c cmdable) PFAdd(ctx context.Context, key string, els ...interface{}) *IntCmd {
	args := make([]interface{}, 2, 2+len(els))
	args[0] = "pfadd"
	args[1] = key
	args = appendArgs(args, els)
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) PFCount(ctx context.Context, keys ...string) *IntCmd {
	args := make([]interface{}, 1+len(keys))
	args[0] = "pfcount"
	for i, key := range keys {
		args[1+i] = key
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) PFMerge(ctx context.Context, dest string, keys ...string) *StatusCmd {
	args := make([]interface{}, 2+len(keys))
	args[0] = "pfmerge"
	args[1] = dest
	for i, key := range keys {
		args[2+i] = key
	}
	cmd := NewStatusCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

//------------------------------------------------------------------------------

func (c cmdable) BgRewriteAOF(ctx context.Context) *StatusCmd {
	cmd := NewStatusCmd(ctx, "bgrewriteaof")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) BgSave(ctx context.Context) *StatusCmd {
	cmd := NewStatusCmd(ctx, "bgsave")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClientKill(ctx context.Context, ipPort string) *StatusCmd {
	cmd := NewStatusCmd(ctx, "client", "kill", ipPort)
	_ = c(ctx, cmd)
	return cmd
}

// ClientKillByFilter is new style syntax, while the ClientKill is old
//
//   CLIENT KILL <option> [value] ... <option> [value]
func (c cmdable) ClientKillByFilter(ctx context.Context, keys ...string) *IntCmd {
	args := make([]interface{}, 2+len(keys))
	args[0] = "client"
	args[1] = "kill"
	for i, key := range keys {
		args[2+i] = key
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClientList(ctx context.Context) *StringCmd {
	cmd := NewStringCmd(ctx, "client", "list")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClientPause(ctx context.Context, dur time.Duration) *BoolCmd {
	cmd := NewBoolCmd(ctx, "client", "pause", formatMs(ctx, dur))
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClientID(ctx context.Context) *IntCmd {
	cmd := NewIntCmd(ctx, "client", "id")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClientUnblock(ctx context.Context, id int64) *IntCmd {
	cmd := NewIntCmd(ctx, "client", "unblock", id)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClientUnblockWithError(ctx context.Context, id int64) *IntCmd {
	cmd := NewIntCmd(ctx, "client", "unblock", id, "error")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ConfigGet(ctx context.Context, parameter string) *SliceCmd {
	cmd := NewSliceCmd(ctx, "config", "get", parameter)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ConfigResetStat(ctx context.Context) *StatusCmd {
	cmd := NewStatusCmd(ctx, "config", "resetstat")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ConfigSet(ctx context.Context, parameter, value string) *StatusCmd {
	cmd := NewStatusCmd(ctx, "config", "set", parameter, value)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ConfigRewrite(ctx context.Context) *StatusCmd {
	cmd := NewStatusCmd(ctx, "config", "rewrite")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) DBSize(ctx context.Context) *IntCmd {
	cmd := NewIntCmd(ctx, "dbsize")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) FlushAll(ctx context.Context) *StatusCmd {
	cmd := NewStatusCmd(ctx, "flushall")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) FlushAllAsync(ctx context.Context) *StatusCmd {
	cmd := NewStatusCmd(ctx, "flushall", "async")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) FlushDB(ctx context.Context) *StatusCmd {
	cmd := NewStatusCmd(ctx, "flushdb")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) FlushDBAsync(ctx context.Context) *StatusCmd {
	cmd := NewStatusCmd(ctx, "flushdb", "async")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Info(ctx context.Context, section ...string) *StringCmd {
	args := []interface{}{"info"}
	if len(section) > 0 {
		args = append(args, section[0])
	}
	cmd := NewStringCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) LastSave(ctx context.Context) *IntCmd {
	cmd := NewIntCmd(ctx, "lastsave")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Save(ctx context.Context) *StatusCmd {
	cmd := NewStatusCmd(ctx, "save")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) shutdown(ctx context.Context, modifier string) *StatusCmd {
	var args []interface{}
	if modifier == "" {
		args = []interface{}{"shutdown"}
	} else {
		args = []interface{}{"shutdown", modifier}
	}
	cmd := NewStatusCmd(ctx, args...)
	_ = c(ctx, cmd)
	if err := cmd.Err(); err != nil {
		if err == io.EOF {
			// Server quit as expected.
			cmd.err = nil
		}
	} else {
		// Server did not quit. String reply contains the reason.
		cmd.err = errors.New(cmd.val)
		cmd.val = ""
	}
	return cmd
}

func (c cmdable) Shutdown(ctx context.Context) *StatusCmd {
	return c.shutdown(ctx, "")
}

func (c cmdable) ShutdownSave(ctx context.Context) *StatusCmd {
	return c.shutdown(ctx, "save")
}

func (c cmdable) ShutdownNoSave(ctx context.Context) *StatusCmd {
	return c.shutdown(ctx, "nosave")
}

func (c cmdable) SlaveOf(ctx context.Context, host, port string) *StatusCmd {
	cmd := NewStatusCmd(ctx, "slaveof", host, port)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) SlowLogGet(ctx context.Context, num int64) *SlowLogCmd {
	cmd := NewSlowLogCmd(context.Background(), "slowlog", "get", num)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) Sync(_ context.Context) {
	panic("not implemented")
}

func (c cmdable) Time(ctx context.Context) *TimeCmd {
	cmd := NewTimeCmd(ctx, "time")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) DebugObject(ctx context.Context, key string) *StringCmd {
	cmd := NewStringCmd(ctx, "debug", "object", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ReadOnly(ctx context.Context) *StatusCmd {
	cmd := NewStatusCmd(ctx, "readonly")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ReadWrite(ctx context.Context) *StatusCmd {
	cmd := NewStatusCmd(ctx, "readwrite")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) MemoryUsage(ctx context.Context, key string, samples ...int) *IntCmd {
	args := []interface{}{"memory", "usage", key}
	if len(samples) > 0 {
		if len(samples) != 1 {
			panic("MemoryUsage expects single sample count")
		}
		args = append(args, "SAMPLES", samples[0])
	}
	cmd := NewIntCmd(ctx, args...)
	cmd.setFirstKeyPos(2)
	_ = c(ctx, cmd)
	return cmd
}

//------------------------------------------------------------------------------

func (c cmdable) Eval(ctx context.Context, script string, keys []string, args ...interface{}) *Cmd {
	cmdArgs := make([]interface{}, 3+len(keys), 3+len(keys)+len(args))
	cmdArgs[0] = "eval"
	cmdArgs[1] = script
	cmdArgs[2] = len(keys)
	for i, key := range keys {
		cmdArgs[3+i] = key
	}
	cmdArgs = appendArgs(cmdArgs, args)
	cmd := NewCmd(ctx, cmdArgs...)
	cmd.setFirstKeyPos(3)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) EvalSha(ctx context.Context, sha1 string, keys []string, args ...interface{}) *Cmd {
	cmdArgs := make([]interface{}, 3+len(keys), 3+len(keys)+len(args))
	cmdArgs[0] = "evalsha"
	cmdArgs[1] = sha1
	cmdArgs[2] = len(keys)
	for i, key := range keys {
		cmdArgs[3+i] = key
	}
	cmdArgs = appendArgs(cmdArgs, args)
	cmd := NewCmd(ctx, cmdArgs...)
	cmd.setFirstKeyPos(3)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ScriptExists(ctx context.Context, hashes ...string) *BoolSliceCmd {
	args := make([]interface{}, 2+len(hashes))
	args[0] = "script"
	args[1] = "exists"
	for i, hash := range hashes {
		args[2+i] = hash
	}
	cmd := NewBoolSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ScriptFlush(ctx context.Context) *StatusCmd {
	cmd := NewStatusCmd(ctx, "script", "flush")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ScriptKill(ctx context.Context) *StatusCmd {
	cmd := NewStatusCmd(ctx, "script", "kill")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ScriptLoad(ctx context.Context, script string) *StringCmd {
	cmd := NewStringCmd(ctx, "script", "load", script)
	_ = c(ctx, cmd)
	return cmd
}

//------------------------------------------------------------------------------

// Publish posts the message to the channel.
func (c cmdable) Publish(ctx context.Context, channel string, message interface{}) *IntCmd {
	cmd := NewIntCmd(ctx, "publish", channel, message)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) PubSubChannels(ctx context.Context, pattern string) *StringSliceCmd {
	args := []interface{}{"pubsub", "channels"}
	if pattern != "*" {
		args = append(args, pattern)
	}
	cmd := NewStringSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) PubSubNumSub(ctx context.Context, channels ...string) *StringIntMapCmd {
	args := make([]interface{}, 2+len(channels))
	args[0] = "pubsub"
	args[1] = "numsub"
	for i, channel := range channels {
		args[2+i] = channel
	}
	cmd := NewStringIntMapCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) PubSubNumPat(ctx context.Context) *IntCmd {
	cmd := NewIntCmd(ctx, "pubsub", "numpat")
	_ = c(ctx, cmd)
	return cmd
}

//------------------------------------------------------------------------------

func (c cmdable) ClusterSlots(ctx context.Context) *ClusterSlotsCmd {
	cmd := NewClusterSlotsCmd(ctx, "cluster", "slots")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClusterNodes(ctx context.Context) *StringCmd {
	cmd := NewStringCmd(ctx, "cluster", "nodes")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClusterMeet(ctx context.Context, host, port string) *StatusCmd {
	cmd := NewStatusCmd(ctx, "cluster", "meet", host, port)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClusterForget(ctx context.Context, nodeID string) *StatusCmd {
	cmd := NewStatusCmd(ctx, "cluster", "forget", nodeID)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClusterReplicate(ctx context.Context, nodeID string) *StatusCmd {
	cmd := NewStatusCmd(ctx, "cluster", "replicate", nodeID)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClusterResetSoft(ctx context.Context) *StatusCmd {
	cmd := NewStatusCmd(ctx, "cluster", "reset", "soft")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClusterResetHard(ctx context.Context) *StatusCmd {
	cmd := NewStatusCmd(ctx, "cluster", "reset", "hard")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClusterInfo(ctx context.Context) *StringCmd {
	cmd := NewStringCmd(ctx, "cluster", "info")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClusterKeySlot(ctx context.Context, key string) *IntCmd {
	cmd := NewIntCmd(ctx, "cluster", "keyslot", key)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClusterGetKeysInSlot(ctx context.Context, slot int, count int) *StringSliceCmd {
	cmd := NewStringSliceCmd(ctx, "cluster", "getkeysinslot", slot, count)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClusterCountFailureReports(ctx context.Context, nodeID string) *IntCmd {
	cmd := NewIntCmd(ctx, "cluster", "count-failure-reports", nodeID)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClusterCountKeysInSlot(ctx context.Context, slot int) *IntCmd {
	cmd := NewIntCmd(ctx, "cluster", "countkeysinslot", slot)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClusterDelSlots(ctx context.Context, slots ...int) *StatusCmd {
	args := make([]interface{}, 2+len(slots))
	args[0] = "cluster"
	args[1] = "delslots"
	for i, slot := range slots {
		args[2+i] = slot
	}
	cmd := NewStatusCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClusterDelSlotsRange(ctx context.Context, min, max int) *StatusCmd {
	size := max - min + 1
	slots := make([]int, size)
	for i := 0; i < size; i++ {
		slots[i] = min + i
	}
	return c.ClusterDelSlots(ctx, slots...)
}

func (c cmdable) ClusterSaveConfig(ctx context.Context) *StatusCmd {
	cmd := NewStatusCmd(ctx, "cluster", "saveconfig")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClusterSlaves(ctx context.Context, nodeID string) *StringSliceCmd {
	cmd := NewStringSliceCmd(ctx, "cluster", "slaves", nodeID)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClusterFailover(ctx context.Context) *StatusCmd {
	cmd := NewStatusCmd(ctx, "cluster", "failover")
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClusterAddSlots(ctx context.Context, slots ...int) *StatusCmd {
	args := make([]interface{}, 2+len(slots))
	args[0] = "cluster"
	args[1] = "addslots"
	for i, num := range slots {
		args[2+i] = num
	}
	cmd := NewStatusCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) ClusterAddSlotsRange(ctx context.Context, min, max int) *StatusCmd {
	size := max - min + 1
	slots := make([]int, size)
	for i := 0; i < size; i++ {
		slots[i] = min + i
	}
	return c.ClusterAddSlots(ctx, slots...)
}

//------------------------------------------------------------------------------

func (c cmdable) GeoAdd(ctx context.Context, key string, geoLocation ...*GeoLocation) *IntCmd {
	args := make([]interface{}, 2+3*len(geoLocation))
	args[0] = "geoadd"
	args[1] = key
	for i, eachLoc := range geoLocation {
		args[2+3*i] = eachLoc.Longitude
		args[2+3*i+1] = eachLoc.Latitude
		args[2+3*i+2] = eachLoc.Name
	}
	cmd := NewIntCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

// GeoRadius is a read-only GEORADIUS_RO command.
func (c cmdable) GeoRadius(
	ctx context.Context, key string, longitude, latitude float64, query *GeoRadiusQuery,
) *GeoLocationCmd {
	cmd := NewGeoLocationCmd(ctx, query, "georadius_ro", key, longitude, latitude)
	if query.Store != "" || query.StoreDist != "" {
		cmd.SetErr(errors.New("GeoRadius does not support Store or StoreDist"))
		return cmd
	}
	_ = c(ctx, cmd)
	return cmd
}

// GeoRadiusStore is a writing GEORADIUS command.
func (c cmdable) GeoRadiusStore(
	ctx context.Context, key string, longitude, latitude float64, query *GeoRadiusQuery,
) *IntCmd {
	args := geoLocationArgs(query, "georadius", key, longitude, latitude)
	cmd := NewIntCmd(ctx, args...)
	if query.Store == "" && query.StoreDist == "" {
		cmd.SetErr(errors.New("GeoRadiusStore requires Store or StoreDist"))
		return cmd
	}
	_ = c(ctx, cmd)
	return cmd
}

// GeoRadiusByMember is a read-only GEORADIUSBYMEMBER_RO command.
func (c cmdable) GeoRadiusByMember(
	ctx context.Context, key, member string, query *GeoRadiusQuery,
) *GeoLocationCmd {
	cmd := NewGeoLocationCmd(ctx, query, "georadiusbymember_ro", key, member)
	if query.Store != "" || query.StoreDist != "" {
		cmd.SetErr(errors.New("GeoRadiusByMember does not support Store or StoreDist"))
		return cmd
	}
	_ = c(ctx, cmd)
	return cmd
}

// GeoRadiusByMemberStore is a writing GEORADIUSBYMEMBER command.
func (c cmdable) GeoRadiusByMemberStore(
	ctx context.Context, key, member string, query *GeoRadiusQuery,
) *IntCmd {
	args := geoLocationArgs(query, "georadiusbymember", key, member)
	cmd := NewIntCmd(ctx, args...)
	if query.Store == "" && query.StoreDist == "" {
		cmd.SetErr(errors.New("GeoRadiusByMemberStore requires Store or StoreDist"))
		return cmd
	}
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) GeoDist(
	ctx context.Context, key string, member1, member2, unit string,
) *FloatCmd {
	if unit == "" {
		unit = "km"
	}
	cmd := NewFloatCmd(ctx, "geodist", key, member1, member2, unit)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) GeoHash(ctx context.Context, key string, members ...string) *StringSliceCmd {
	args := make([]interface{}, 2+len(members))
	args[0] = "geohash"
	args[1] = key
	for i, member := range members {
		args[2+i] = member
	}
	cmd := NewStringSliceCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}

func (c cmdable) GeoPos(ctx context.Context, key string, members ...string) *GeoPosCmd {
	args := make([]interface{}, 2+len(members))
	args[0] = "geopos"
	args[1] = key
	for i, member := range members {
		args[2+i] = member
	}
	cmd := NewGeoPosCmd(ctx, args...)
	_ = c(ctx, cmd)
	return cmd
}