const { playSong, safeCleanup, clearSongBuffer } = require('../utils/player');
const { getQueueOrReply } = require('../utils/helpers');

function handlePause(interaction, queues) {
  const queue = getQueueOrReply(interaction, queues, 'Nothing is playing!');
  if (!queue) return;
  
  queue.player.pause();
  interaction.reply('Paused!');
}

function handleResume(interaction, queues) {
  const queue = getQueueOrReply(interaction, queues, 'Nothing is paused!');
  if (!queue) return;
  
  queue.player.unpause();
  interaction.reply('Resumed!');
}

function handleSkip(interaction, queues) {
  const queue = getQueueOrReply(interaction, queues, 'Nothing to skip!');
  if (!queue || queue.songs.length === 0) {
    if (queue) interaction.reply('Nothing to skip!');
    return;
  }
  
  const playerState = queue.player.state.status;
  console.log(`[SKIP] Guild: ${interaction.guild.id}, Skipping: ${queue.songs[0]?.title}, Player state: ${playerState}, Queue length: ${queue.songs.length}`);
  
  clearSongBuffer(queue.songs[0], 'skipped');
  safeCleanup(queue, 'Skip');
  
  queue.player.stop();
  interaction.reply(`Skipped! (${queue.songs.length - 1} songs remaining)`);
}

function handleClear(interaction, queues) {
  const queue = getQueueOrReply(interaction, queues, 'Queue is already empty!');
  if (!queue || queue.songs.length === 0) {
    if (queue) interaction.reply('Queue is already empty!');
    return;
  }

  const currentSong = queue.songs[0];
  const clearedCount = queue.songs.length - 1;
  
  for (let i = 1; i < queue.songs.length; i++) {
    clearSongBuffer(queue.songs[i], 'queue cleared');
  }
  
  queue.songs = [currentSong];
  console.log(`[QUEUE] Cleared ${clearedCount} songs from queue`);
  interaction.reply(`Cleared queue! Only current song remains: ${currentSong.title}`);
}

function handleLoop(interaction, queues) {
  const queue = getQueueOrReply(interaction, queues);
  if (!queue) return;

  const mode = interaction.options.getString('mode');
  
  if (mode) {
    queue.loopMode = mode;
  } else {
    const modes = ['off', 'song', 'queue'];
    const currentIndex = modes.indexOf(queue.loopMode || 'off');
    queue.loopMode = modes[(currentIndex + 1) % modes.length];
  }

  const modeEmojis = {
    off: 'Loop disabled',
    song: 'Looping current song',
    queue: 'Looping queue'
  };

  interaction.reply(modeEmojis[queue.loopMode]);
}

function handleQuit(interaction, queues) {
  const queue = getQueueOrReply(interaction, queues);
  if (!queue) return;
  
  try { queue.player.stop(); } catch (e) {}
  safeCleanup(queue, 'Quit');
  queue.connection.destroy();
  queues.delete(interaction.guild.id);
  interaction.reply('Left voice channel!');
}

module.exports = {
  handlePause,
  handleResume,
  handleSkip,
  handleClear,
  handleLoop,
  handleQuit,
};