/*
 * MumbleDJ
 * By Matthieu Grieger
 * parseconfig.go
 * Copyright (c) 2014, 2015 Matthieu Grieger (MIT License)
 */

package main

import (
	"errors"
	"fmt"

	"code.google.com/p/gcfg"
)

// Golang struct representation of mumbledj.gcfg file structure for parsing.
type DjConfig struct {
	General struct {
		CommandPrefix     string
		SkipRatio         float32
		PlaylistSkipRatio float32
		DefaultComment    string
		MaxSongDuration   int
	}
	Cache struct {
		Enabled     bool
		MaximumSize int64
		ExpireTime  float64
	}
	Volume struct {
		DefaultVolume float32
		LowestVolume  float32
		HighestVolume float32
	}
	Aliases struct {
		AddAlias               string
		SkipAlias              string
		SkipPlaylistAlias      string
		AdminSkipAlias         string
		AdminSkipPlaylistAlias string
		HelpAlias              string
		VolumeAlias            string
		MoveAlias              string
		ReloadAlias            string
		ResetAlias             string
		NumSongsAlias          string
		NextSongAlias          string
		CurrentSongAlias       string
		SetCommentAlias        string
		NumCachedAlias         string
		CacheSizeAlias         string
		KillAlias              string
	}
	Permissions struct {
		AdminsEnabled     bool
		Admins            []string
		AdminAdd          bool
		AdminAddPlaylists bool
		AdminSkip         bool
		AdminHelp         bool
		AdminVolume       bool
		AdminMove         bool
		AdminReload       bool
		AdminReset        bool
		AdminNumSongs     bool
		AdminNextSong     bool
		AdminCurrentSong  bool
		AdminSetComment   bool
		AdminNumCached    bool
		AdminCacheSize    bool
		AdminKill         bool
	}
}

// Loads mumbledj.gcfg into dj.conf, a variable of type DjConfig.
func loadConfiguration() error {
	if gcfg.ReadFileInto(&dj.conf, fmt.Sprintf("%s/.mumbledj/config/mumbledj.gcfg", dj.homeDir)) == nil {
		return nil
	} else {
		fmt.Printf("%s/.mumbledj/config/mumbledj.gcfg\n", dj.homeDir)
		return errors.New("Configuration load failed.")
	}
}