const Discord = require("discord.js");
const { prefix, token } = require("./config.json");
const ytdl = require("ytdl-core");

const client = new Discord.Client();

const queue = new Map();

client.once("ready", () => {
	console.log("Ready!");
});

client.once("reconnecting", () => {
	console.log("Reconnecting!");
});

client.once("disconnect", () => {
	console.log("Disconnect!");
});

client.on("message", async message => {
	if (message.author.bot) return;
	if (!message.content.startsWith(prefix)) return;

	const serverQueue = queue.get(message.guild.id);

	if (message.content.startsWith(`${prefix}play`)) {
		execute(message, serverQueue);
		return;
	} else if (message.content.startsWith(`${prefix}skip`)) {
		skip(message, serverQueue);
		return;
	} else if (message.content.startsWith(`${prefix}stop`)) {
		stop(message, serverQueue);
		return;
	} else {
		message.channel.send("You need to enter a valid command!");
	}
});

async function execute(message, serverQueue) {
	const args = message.content.split(" ");

	const voiceChannel = message.member.voice.channel;
	if (!voiceChannel)
		return message.channel.send(
			"You need to be in a voice channel to play music!"
		);
	const permissions = voiceChannel.permissionsFor(message.client.user);
	if (!permissions.has("CONNECT") || !permissions.has("SPEAK")) {
		return message.channel.send(
			"I need the permissions to join and speak in your voice channel!"
		);
	}

	const songInfo = await ytdl.getInfo(args[1]);
	const song = {
		title: songInfo.title,
		url: songInfo.video_url
	};

	if (!serverQueue) {
		const queueContruct = {
			textChannel: message.channel,
			voiceChannel: voiceChannel,
			connection: null,
			songs: [],
			volume: 100,
			playing: true
		};

		queue.set(message.guild.id, queueContruct);

		queueContruct.songs.push(song);

		try {
			var connection = await voiceChannel.join();
			queueContruct.connection = connection;
			play(message.guild, queueContruct.songs[0]);
		} catch (err) {
			console.log(err);
			queue.delete(message.guild.id);
			return message.channel.send(err);
		}
	} else {
		serverQueue.songs.push(song);
		return message.channel.send(`${song.title} has been added to the queue!`);
	}
}

function skip(message, serverQueue) {
	if (!message.member.voice.channel)
		return message.channel.send(
			"You have to be in a voice channel to stop the music!"
		);
	if (!serverQueue)
		return message.channel.send("There is no song that I could skip!");
	serverQueue.connection.dispatcher.end();
}

function stop(message, serverQueue) {
	if (!message.member.voice.channel)
		return message.channel.send(
			"You have to be in a voice channel to stop the music!"
		);
	serverQueue.songs = [];
	serverQueue.connection.dispatcher.end();
}

function play(guild, song) {
	const serverQueue = queue.get(guild.id);
	if (!song) {
		serverQueue.voiceChannel.leave();
		queue.delete(guild.id);
		return;
	}

	const dispatcher = serverQueue.connection
		.play(ytdl(song.url))
		.on("finish", () => {
			serverQueue.songs.shift();
			play(guild, serverQueue.songs[0]);
		})
		.on("error", error => console.error(error));
	dispatcher.setVolumeLogarithmic(serverQueue.volume / 100);
	serverQueue.textChannel.send(`Start playing: **${song.title}**`);
}
const dispatcher = connection.play('/home/discord/audio.mp3', {
	volume: 0.5,
  });
dispatcher.pause();
dispatcher.resume();

dispatcher.setVolume(0.5); // half the volume

dispatcher.on('finish', () => {
  console.log('Finished playing!');
});
const broadcast = client.voice.createBroadcast();

broadcast.on('subscribe', dispatcher => {
  console.log('New broadcast subscriber!');
});

broadcast.on('unsubscribe', dispatcher => {
  console.log('Channel unsubscribed from broadcast :(');
});
dispatcher.destroy(); // end the stream
connection.play(fs.createReadStream('./media.webm'), {
	type: 'webm/opus',
  });

  connection.play(fs.createReadStream('./media.ogg'), {
	type: 'ogg/opus',
  });


client.login('not showing');