package main

import (
	"fmt"
	"os"

	"github.com/joho/godotenv"
	"github.com/topfans/backend/pkg/database"
)

func main() {
	_ = godotenv.Load("../../.env", "../.env", ".env")

	host := getenv("REDIS_HOST", "127.0.0.1")
	port := getenvInt("REDIS_PORT", 6379)
	password := os.Getenv("REDIS_PASSWORD")
	db := getenvInt("REDIS_DB", 0)

	if err := database.InitRedis(database.RedisConfig{
		Host:     host,
		Port:     port,
		Password: password,
		DB:       db,
	}); err != nil {
		fmt.Fprintf(os.Stderr, "Redis connection failed: %v\n", err)
		os.Exit(1)
	}
	defer database.CloseRedis()

	fmt.Printf("Redis OK: %s:%d db=%d auth=%v\n", host, port, db, password != "")
}

func getenv(key, fallback string) string {
	if v := os.Getenv(key); v != "" {
		return v
	}
	return fallback
}

func getenvInt(key string, fallback int) int {
	v := os.Getenv(key)
	if v == "" {
		return fallback
	}
	var n int
	if _, err := fmt.Sscanf(v, "%d", &n); err != nil {
		return fallback
	}
	return n
}