package config

import (
	"log"
	"os"

	"github.com/joho/godotenv"
)

type Config struct {
	JWTSecret  string
	DBHost     string
	DBPort     string
	DBUser     string
	DBPassword string
	DBName     string
	DBSSLMode  string
}

var appConfig = &Config{}

func InitConfig() {
	// Load .env file
	err := godotenv.Load()
	if err != nil {
		log.Println("Warning: .env file not found, using system environment variables.")
	}

	// Load config from env
	appConfig.JWTSecret = os.Getenv("JWT_SECRET")
	appConfig.DBHost = os.Getenv("DB_HOST")
	appConfig.DBPort = os.Getenv("DB_PORT")
	appConfig.DBUser = os.Getenv("DB_USER")
	appConfig.DBPassword = os.Getenv("DB_PASSWORD")
	appConfig.DBName = os.Getenv("DB_NAME")
	appConfig.DBSSLMode = os.Getenv("DB_SSLMODE")

	if appConfig.JWTSecret == "" || appConfig.DBHost == "" {
		log.Fatal("Required environment variables are missing")
	}
}

func GetConfig() *Config {
	return appConfig
}