package config

import (
	"github.com/joho/godotenv"
	"github.com/mitchellh/mapstructure"
)

type Config struct {
	AppPortListen string `mapstructure:"APP_PORT"`
	JwtKey        []byte
}

func LoadConfig(filename ...string) (*Config, error) {
	var myenv map[string]string
	var err error
	var c Config

	if len(filename) == 0 {
		myenv, err = godotenv.Read()
	} else {
		myenv, err = godotenv.Read(filename[0])
	}

	if err != nil {
		return nil, err
	}

	mapstructure.Decode(myenv, &c)
	c.JwtKey = []byte(c.StringKey)

	return &c, nil
}