const Discord = require("discord.js")
const fs = require('fs');

module.exports.run = async (bot, message, args) => {
// make a new stream for each time someone starts to talk
function generateOutputFile(channel, member) {
    // use IDs instead of username cause some people have stupid emojis in their name
    const fileName = `./recordings/${channel.id}-${member.id}-${Date.now()}.pcm`;
    return fs.createWriteStream(fileName);
  }

    if (msg.content.startsWith(config.prefix+'join')) {
      let [command, ...channelName] = msg.content.split(" ");
      if (!msg.guild) {;
        return msg.reply('no private service is available in your area at the moment. Please contact a service representative for more details.');
      }
      const voiceChannel = msg.guild.channels.find("name", channelName.join(" "));
      //console.log(voiceChannel.id);
      if (!voiceChannel || voiceChannel.type !== 'voice') {
        return msg.reply(`I couldn't find the channel ${channelName}. Can you spell?`);
      }
      voiceChannel.join()
        .then(conn => {
          msg.reply('ready!');
          // create our voice receiver
          const receiver = conn.createReceiver();

          conn.on('speaking', (user, speaking) => {
            if (speaking) {
              msg.channel.sendMessage(`I'm listening to ${user}`);
              // this creates a 16-bit signed PCM, stereo 48KHz PCM stream.
              const audioStream = receiver.createPCMStream(user);
              // create an output stream so we can dump our data in a file
              const outputStream = generateOutputFile(voiceChannel, user);
              // pipe our audio data into the file stream
              audioStream.pipe(outputStream);
              outputStream.on("data", console.log);
              // when the stream ends (the user stopped talking) tell the user
              audioStream.on('end', () => {
                msg.channel.sendMessage(`I'm no longer listening to ${user}`);
              });
            }
          });
        })
        .catch(console.log);
    }
    if(msg.content.startsWith(config.prefix+'leave')) {
      let [command, ...channelName] = msg.content.split(" ");
      let voiceChannel = msg.guild.channels.find("name", channelName.join(" "));
      voiceChannel.leave();
    }
  }


module.exports.help = {
    name: "join"
}