package main

import (
	"fmt"
	"local/args"
	"local/storage"
	"local/storage/resolve"
	"log"
)

type Config struct {
	DBs [2]storage.DB
	Dry bool
}

func (config Config) String() string {
	return fmt.Sprintf("{1:%T 2:%T Dry:%v}", config.DBs[0], config.DBs[1], config.Dry)
}

func main() {
	c := config()
	resolve.DefaultNamespace = ""
	keys, err := c.DBs[0].List(nil)
	if err != nil {
		panic(err)
	}
	log.Println(c)
	for _, key := range keys {
		v, err := c.DBs[0].Get(key)
		if err != nil {
			panic(err)
		}
		if c.Dry {
			log.Printf("c.DBs[1].Set(%s, %s)", key, v)
		} else if err := c.DBs[1].Set(key, v); err != nil {
			panic(err)
		}
	}
}

func config() Config {
	as := args.NewArgSet()
	for i := range [2]int{} {
		s := fmt.Sprint(i + 1)
		as.Append(args.STRING, s+"usr", s+"'s user", "")
		as.Append(args.STRING, s+"pwd", s+"'s password", "")
		as.Append(args.STRING, s+"addr", s+"'s addr", "")
		as.Append(args.STRING, s+"type", s+"'s type", "")
	}
	as.Append(args.BOOL, "dry", "dry run", false)
	if err := as.Parse(); err != nil {
		panic(err)
	}

	stores := [2]storage.DB{}
	for i := range stores {
		var err error
		stores[i], err = storage.New(
			storage.TypeFromString(as.GetString(fmt.Sprint(i+1)+"type")),
			as.GetString(fmt.Sprint(i+1)+"addr"),
			as.GetString(fmt.Sprint(i+1)+"usr"),
			as.GetString(fmt.Sprint(i+1)+"pwd"),
		)
		if err != nil {
			panic(err)
		}
	}

	return Config{
		DBs: stores,
		Dry: as.GetBool("dry"),
	}
}