package config

import (
	"bytes"
	"os"

	"github.com/BurntSushi/toml"
)

type Device struct {
	Alias string `form:"Alias"`
	MAC   string `form:"MAC"`
	IP    string `form:"IP"`
}

type config struct {
	Server     string
	PassHash   string
	SessionTTL float64
	Devices    []Device
}

var Config config

var configPath string

func init() {
	Config = config{
		Server:     ":8080",
		SessionTTL: 10,
	}

	// Locations to look for a config file for
	checkPaths := []string{
		"config.toml",
		"config/config.toml",
		"/etc/miniwol/config.toml",
	}

	var err error

	for _, path := range checkPaths {
		_, err = toml.DecodeFile(path, &Config)
		if err == nil {
			configPath = path
			return
		}
	}
	panic(err)
}

func Save() error {
	var buffer bytes.Buffer
	var err error
	encoder := toml.NewEncoder(&buffer)
	err = encoder.Encode(Config)
	if err != nil {
		return err
	}
	err = os.WriteFile(configPath, buffer.Bytes(), 0666)
	if err != nil {
		return err
	}
	return nil
}