package storage

import (
	"context"
	"fmt"
	"net/url"
	"os"

	"git.zomo.dev/zomo/discord-retokenizer/util"
	"github.com/go-redis/redis/v9"
)

var ctx = context.Background()
var client *redis.Client = nil

func initializeRedis() {
	username := "default"
	UpdateUsername(username)
	password := util.GeneratePassword(16)
	UpdatePassword(password)
	fmt.Printf("FIRST TIME SETUP\nusername: %s\npassword: %s\n\n\n", username, password)
}

func validateRedis() {
	if client == nil {
		panic("Client == nil")
	}
    _, err := client.Get(ctx, "username").Result()
    if err != nil {
		if err != redis.Nil {
        	panic(err)
		}
		initializeRedis()
		return
    }
    _, err = client.Get(ctx, "password").Result()
    if err != nil {
		if err != redis.Nil {
        	panic(err)
		}
		initializeRedis()
		return
    }
}

func Init() {
	redisUri, err := url.Parse(os.Getenv("REDIS_URI"))
	if err != nil {
		panic(err)
	}

	if redisUri.Scheme != "redis" {
		panic("redisUri.Scheme != redis")
	}

	username := redisUri.User.Username()
	pass, _ := redisUri.User.Password()

	client = redis.NewClient(&redis.Options{
		Addr:     redisUri.Host,
		Username: username,
		Password: pass,
		DB:       0,
	})

	validateRedis()
}