const Discord = require('discord.js');
const ytdl = require('ytdl-core');
const { SlashCommandBuilder } = require('@discordjs/builders')
const { joinVoiceChannel, createAudioPlayer, NoSubscriberBehavior } = require('@discordjs/voice');
const { execute } = require('../Events/ready');

const queue = new Map();

function play(song, guild, client){

    const player = createAudioPlayer({
        behaviors: {
            noSubscriber: NoSubscriberBehavior.Pause,
        }
    })

    player.play(song.url)
}

async function run(interaction, client) {

    const songToPlay = interaction.options.getString('song');
    const voiceChannel = interaction.member.voice.channel

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

    if (!voiceChannel) return interaction.reply(`You must be in a voice channel to play music!`)

    const songInfo = await ytdl.getInfo(songToPlay);
    const song = {
        title: songInfo.videoDetails.title,
        url: songInfo.videoDetails.video_url,
        thumbnail: songInfo.videoDetails.thumbnails,
    }

    if (!serverQueue) {

        const queueContruct = {
            textChannel: interaction.channel,
            voiceChannel: voiceChannel,
            connection: null,
            songs: [],
            volume: 5,
            playing: true,
        }

        queue.set(interaction.guild.id, queueContruct)

        queueContruct.songs.push(song)

        try {
            var connection = joinVoiceChannel({
                channelId: voiceChannel.id,
                guildId: interaction.guild.id,
                adapterCreator: interaction.guild.voiceAdapterCreator
            })

            play(song, interaction.guild, client)

            const playEmbed = new Discord.MessageEmbed()
            .setTitle(`NOW PLAYING`)
            .setDescription(`[${song.title}](${song.url}) [${interaction.member}]`)
            .setThumbnail(song.thumbnail[0].url)
            .setFooter(`©️ Soundy Studios | All rights reserved!`, `https://cdn.discordapp.com/attachments/861355381774221312/881284765842542592/Soundy_Studios.png`)
            return interaction.reply({ embeds: [playEmbed] })
        } catch (err) {
            console.error(err)
            queue.delete(interaction.guild.id)
            return interaction.reply({ content: 'There was an error while executing this command!', ephemeral: true  })
        }

    } else {
        serverQueue.songs.push(song);
        console.log(serverQueue.songs)
        const addedEmbed = new Discord.MessageEmbed()
            .setTitle(`ADDED TO QUEUE`)
            .setDescription(`[${song.title}](${song.url}) [${interaction.member}]`)
            .setThumbnail(song.thumbnail[0].url)
            .setFooter(`©️ Soundy Studios | All rights reserved!`, `https://cdn.discordapp.com/attachments/861355381774221312/881284765842542592/Soundy_Studios.png`)
        return interaction.reply({ embeds: [addedEmbed] })
    }
}

module.exports = {
    data: new SlashCommandBuilder()
        .setName('play')
        .setDescription('Play a music!')
        .addStringOption(option =>
            option.setName('song')
                .setDescription('The song you want to play')
                .setRequired(true)),
    execute: async (interaction, client) => {
        await run(interaction, client)
    }
}