package config

import (
	"os"
	"strconv"

	"github.com/joho/godotenv"
)

type Config struct {
	AppPort        string
	DBHost         string
	DBPort         string
	DBUser         string
	DBPassword     string
	DBName         string
	RedisAddr      string
	RedisPassword  string
	JWTSecret      string
	JWTExpiryHours int
	AdminUsername  string
	AdminPassword  string
	BaseURL        string
	GameDir        string
}

var C Config

func Load() {
	_ = godotenv.Load()

	hours, _ := strconv.Atoi(getEnv("JWT_EXPIRY_HOURS", "24"))
	C = Config{
		AppPort:        getEnv("APP_PORT", "8080"),
		DBHost:         getEnv("DB_HOST", "localhost"),
		DBPort:         getEnv("DB_PORT", "3306"),
		DBUser:         getEnv("DB_USER", "root"),
		DBPassword:     getEnv("DB_PASSWORD", ""),
		DBName:         getEnv("DB_NAME", "a301"),
		RedisAddr:      getEnv("REDIS_ADDR", "localhost:6379"),
		RedisPassword:  getEnv("REDIS_PASSWORD", ""),
		JWTSecret:      getEnv("JWT_SECRET", "secret"),
		JWTExpiryHours: hours,
		AdminUsername:  getEnv("ADMIN_USERNAME", "admin"),
		AdminPassword:  getEnv("ADMIN_PASSWORD", "admin1234"),
		BaseURL:        getEnv("BASE_URL", "http://localhost:8080"),
		GameDir:        getEnv("GAME_DIR", "/data/game"),
	}
}

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