const YouTube = require('simple-youtube-api');
const apikey = "AIzaSyBcIYvxMyBBQxh6NnWFe13T7ktpumCbeWQ"
const yt = new YouTube(apikey);
const ytdl = require('ytdl-core-discord');
const moment = require('moment');
const Discord = require('discord.js');
const prism = require('prism-media');
const fs = require('fs');
  const map = new Map();
exports.run = async (client, message, args, opts, member) => {


    try {
        if (!message.member.voiceChannel)
            return message.reply(" entre em um canal de voz antes para que eu possa soltar o som...");
        if(!args)
            return message.reply(" coloque um link (YouTube) ou nome da música para que eu possa toca-la!");
        if(message.guild.me.voiceChannel && message.guild.me.voiceChannelID!=message.member.voiceChannelID)
            return message.reply(" o DJ "+client.user+" está ocupado no momento tocando em outro canal!");

        else{
            try {
                let data = opts.map.get(message.guild.id) || {};
                if(!data.queue)
                data.queue = [];
                data.guildID = message.guild.id;
                let check = /^.*(youtu.be\/|list=)([^#\&\?]*).*/;
                if(args[0].match(check)){
                    let playlist = await yt.getPlaylist(args[0]);
                    let videos = await playlist.getVideos();
                    for(let i=0;i<videos.length;i++){
                        data.queue.push({
                            nome:videos[i].title,
                            qr:message.author,
                            url:videos[i].url,
                            canal:videos[i].channel.title,
                            pub:videos[i].publishedAt,
                            anuncio:message.channel.id
                        });
                    }
                    if(!data.connection)
                        data.connection = await message.member.voiceChannel.join();
                    if(!data.dispatcher)
                        await play(client,opts,data);
                    else{
                        message.channel.send(playlist.title+" adicionada a fila!");
                    }
                }
                if(!args[0].match(check)){
                    let song = await yt.searchVideos(args.join(" "),5);
                    let escolhida=null;
                    let embed= new Discord.RichEmbed().setTitle('Escolha de 1 a 5')
                    .addField('Resultados da busca:',song.map(r=>(song.indexOf(r)+1)+'-'+r.title).join('\n'))
                    .setColor('RANDOM')
                    message.channel.send(embed).then(async (msg)=>{
                        let emoji = ['1⃣',"2⃣","3⃣","4⃣","5⃣"];
                        for (let i=0;i<5;i++){


                            await msg.react(emoji[i]);
                        }
                        const filter = (r, u) => r.me && u.id === message.author.id;
                        const collector = msg.createReactionCollector(filter, {max: 1, time: 60 * 1000 });

                        collector.on('collect', async (e)=>{
                            msg.delete();

                            switch (e.emoji.name) {
                                case emoji[0]:
                                    escolhida=song[0];
                                    break;
                                case emoji[1]:
                                    escolhida=song[1];
                                    break;
                                case emoji[2]:
                                    escolhida=song[2];
                                    break;
                                case emoji[3]:
                                    escolhida=song[3];
                                    break;
                                case emoji[4]:
                                    escolhida=song[4];
                                    break;
                                default:message.channel.send('deu ruim')
                                    break;
                            }
                            data.queue.push({
                                nome:escolhida.title,
                                qr:message.author,
                                url:escolhida.url,
                                canal:escolhida.channel.title,
                                pub:escolhida.publishedAt,
                                anuncio:message.channel.id
                            });
                            if(!data.connection)
                                data.connection = await message.member.voiceChannel.join();
                            if(!data.dispatcher)
                                await play(client,opts,data);
                            else{
                                message.channel.send(data.queue.slice(-1)[0].nome+" adicionada a fila!");
                            }
                        })
                    })
                }
                opts.map.set(message.guild.id,data);

            } catch(e) {
                console.log(e);
                if(e.code && e.code==403)
                message.channel.send('atualmente uso a API do YouTube de forma gratuita, e no momento atingi o limite da cota diária de requisições. Tente novamente mais tarde!');
            }
        }
    } catch(e) {
        message.channel.send(e.toString());
    }
}
async function play(client,opts,data){

    data.dispatcher = await data.connection.playOpusStream(await ytdl(data.queue[0].url));
    data.dispatcher.on('start', () => {
        data.dispatcher.player.streamingData.pausedTime = 0;
    });
    data.dispatcher.guildID = data.guildID
    data.dispatcher.on('end',function(reason){
        console.log('Musica finalizada! razão = '+reason);
        finish(client, opts, this);

    }).on('error', console.error);
    if(data.dispatcher){
        let embed = new Discord.RichEmbed().addField("Música:",'['+data.queue[0].nome+']('+data.queue[0].url+')').addField("Canal:",data.queue[0].canal)
        .addField("Publicado em:", moment(data.queue[0].pub).format("DD/MM/YYYY")).setFooter("Adicionada por: "+data.queue[0].qr.tag,data.queue[0].qr.avatarURL)
        .setColor('RANDOM');
        client.channels.get(data.queue[0].anuncio).send(embed);
    }
}

function finish(client, opts, dispatcher){
    try {
        let fetched = opts.map.get(dispatcher.guildID);
        fetched.queue.shift();
        if(fetched.queue.length>0){
            opts.map.set(dispatcher.guildID,fetched);
            console.log("Musica passada =>"+fetched.queue[0].nome);
            play(client,opts,fetched);
        }else{
            opts.map.delete(dispatcher.guildID);
            let vc = client.guilds.get(dispatcher.guildID).me.voiceChannel;
            if(vc)
                vc.leave();
            console.log("Queue finalizada");
        }
        } catch (error) {
            console.log(error);
        }
}

exports.config = {
    name: 'play',
    aliases: ['play','tocar'],
}