package config

import (
	"log"
	"os"
	"strconv"

	"github.com/joho/godotenv"
)

type Config struct {
	DatabaseURL          string
	TripayMerchantCode   string
	TripayAPIKey         string
	TripayPrivateKey     string
	TripayIsProduction   bool
	TripayProxyURL       string
	AppPort              int
	Port                 string // Hugging Face Spaces port (default 7860)
	AppBaseURL           string
	JWTSecretKey         string
	JWTExpiryHours       int
	FonnteToken          string
	StoreName            string
	CloudinaryCloudName  string
	CloudinaryAPIKey     string
	CloudinaryAPISecret  string
}

var GlobalConfig *Config

func LoadConfig() {
	// Muat file .env jika ada (terutama untuk dev lokal)
	if err := godotenv.Load(); err != nil {
		log.Println("Info: File .env tidak ditemukan, menggunakan variable OS")
	}

	GlobalConfig = &Config{
		DatabaseURL:          getEnv("DATABASE_URL", "postgresql://warungpos:warungpos123@db:5432/warungpos_db"),
		TripayMerchantCode:   getEnv("TRIPAY_MERCHANT_CODE", ""),
		TripayAPIKey:         getEnv("TRIPAY_API_KEY", ""),
		TripayPrivateKey:     getEnv("TRIPAY_PRIVATE_KEY", ""),
		TripayIsProduction:   getEnvBool("TRIPAY_IS_PRODUCTION", true),
		TripayProxyURL:       getEnv("TRIPAY_PROXY_URL", ""),
		AppPort:              getEnvInt("APP_PORT", 8003),
		Port:                 getEnv("PORT", "7860"), // Default port Hugging Face Spaces
		AppBaseURL:           getEnv("APP_BASE_URL", "http://localhost:8003"),
		JWTSecretKey:         getEnv("JWT_SECRET_KEY", "default-secret-key-change-me"),
		JWTExpiryHours:       getEnvInt("JWT_EXPIRY_HOURS", 24),
		FonnteToken:          getEnv("FONNTE_TOKEN", ""),
		StoreName:            "XOGM Go", // Hardcoded to override old env variables
		CloudinaryCloudName:  getEnv("CLOUDINARY_CLOUD_NAME", ""),
		CloudinaryAPIKey:     getEnv("CLOUDINARY_API_KEY", ""),
		CloudinaryAPISecret:  getEnv("CLOUDINARY_API_SECRET", ""),
	}
}

func getEnv(key, fallback string) string {
	if value, exists := os.LookupEnv(key); exists {
		return value
	}
	return fallback
}

func getEnvInt(key string, fallback int) int {
	str := getEnv(key, "")
	if str == "" {
		return fallback
	}
	val, err := strconv.Atoi(str)
	if err != nil {
		return fallback
	}
	return val
}

func getEnvBool(key string, fallback bool) bool {
	str := getEnv(key, "")
	if str == "" {
		return fallback
	}
	val, err := strconv.ParseBool(str)
	if err != nil {
		return fallback
	}
	return val
}