package helpers

import (
	"os"

	"github.com/golobby/dotenv"
)

type Config struct {
	Debug   bool `env:"DEBUG"`
	DevMode bool `env:"DEV_MODE"`
	App     struct {
		ListenAddress string `env:"APP_LISTEN_ADDRESS"`
		ListenPort    uint   `env:"APP_LISTEN_PORT"`
	}
	Database struct {
		Location string `env:"DATABASE_LOCATION"`
	}
	Sessions struct {
		Location string `env:"SESSIONS_LOCATION"`
	}
}

var configParsed bool
var config Config

func GetConfig() (Config, error) {
	if configParsed {
		return config, nil
	}

	return parseConfig()
}

func parseConfig() (Config, error) {
	file, err := os.Open(".env")
	if err != nil {
		return config, err
	}

	err = dotenv.NewDecoder(file).Decode(&config)
	if err != nil {
		return config, err
	}

	configParsed = true

	return config, err
}