package cache

import (
	"fmt"
	"strings"

	"pet-house.com/core/server/viper_server"
)

// InitConfig initialize redis's config file
func InitConfig() error {
	var cover string
	if IsExist() {
		fmt.Println("Your redis config is initialized , reinitialized redis will cover your redis config.")
		fmt.Println("Did you want to do it ?  [Y/N]")
		fmt.Scanln(&cover)
		switch strings.ToUpper(cover) {
		case "Y":
		case "N":
			return nil
		default:
		}
	} else {
		fmt.Println("Redis config file is not exist!")
	}

	err := Remove()
	if err != nil {
		return err
	}

	err = initConfig()
	if err != nil {
		return err
	}

	fmt.Println("redis initialized finished!")
	return nil
}

func initConfig() error {
	var addr, dbPwd string
	var db, poolSize int
	fmt.Println("Please input your redis addr: ")
	fmt.Printf("Redis addr default is '%s'\n", CONFIG.Addr)
	fmt.Scanln(&addr)
	if addr != "" {
		CONFIG.Addr = addr
	}

	fmt.Println("Please input your redis db: ")
	fmt.Printf("Redis db default is '%d'\n", CONFIG.DB)
	fmt.Scanln(&db)
	if db > 0 {
		CONFIG.DB = db
	}

	fmt.Println("Please input your redis password: ")
	fmt.Printf("Redis password default is '%s'\n", CONFIG.Password)
	fmt.Scanln(&dbPwd)
	if dbPwd != "" {
		CONFIG.Password = dbPwd
	}

	fmt.Println("Please input your redis pool size: ")
	fmt.Scanln(&poolSize)
	if poolSize > 0 {
		CONFIG.PoolSize = poolSize
	}
	viper_server.Init(getViperConfig())
	if Instance() == nil {
		return ErrRedisInit
	}
	return nil
}