package main

import (
	"bufio"
	"database/sql"
	"flag"
	"fmt"
	"math/bits"
	"os"
	"strings"

	_ "modernc.org/sqlite"
)

/*
https://en.wiktionary.org/wiki/Appendix:Mandarin_Frequency_lists/1-1000
https://lingua.mtsu.edu/chinese-computing/statistics/char/list.php?Which=MO
https://jslearnchinese.wordpress.com/2018/07/24/the-1000-most-used-characters-in-chinese/
*/

var verbose = flag.Bool("v", false, "debug output")
var file = flag.String("f", "cards", "cards file")

func main() {
	flag.Parse()

	db, err := sql.Open("sqlite", *file)
	if err != nil {
		panic(err)
	}

	// Create table
	_, err = db.Exec("CREATE TABLE IF NOT EXISTS cards (idx INTEGER PRIMARY KEY, weight INTEGER, key STRING, val STRING)")
	if err != nil {
		panic(err)
	}

	f, err := os.Open("list")
	if err != nil {
		panic(err)
	}
	defer f.Close()

	scanner := bufio.NewScanner(f)
	
	i := 0
	for scanner.Scan() {
		line := strings.Split(scanner.Text(), "|")
		key := line[2]
		val := line[3] + " " + strings.Split(line[4], " {")[0]

		if *verbose {
			fmt.Println(key)
			fmt.Println(val)
		}

		_, err = db.Exec("INSERT INTO cards VALUES(?, ?, ?, ?)", i, 1<<(bits.LeadingZeros(uint(i))-40), key, val)
		i++
	}
}