import { useRef, useState, useCallback } from 'react';
import { usePlayerStore } from '@/features/player/store/playerStore';
import { Button } from '@/components/ui/button';
import { Tooltip } from '@/components/ui/tooltip';
import { useTranslation } from '@/hooks/useTranslation';
import { List } from 'lucide-react';
import { QueuePanel } from '../QueuePanel';
import { useAudioPlayerEffects } from './useAudioPlayerEffects';
import { AudioPlayerTrackInfo } from './AudioPlayerTrackInfo';
import { AudioPlayerControls } from './AudioPlayerControls';
import { AudioPlayerProgress } from './AudioPlayerProgress';
import { AudioPlayerVolume } from './AudioPlayerVolume';
import type { AudioPlayerProps as Props } from './types';

export function AudioPlayer(_props: Props = {}) {
  const audioRef = useRef<HTMLAudioElement>(null);
  const { handlePlayPause } = useAudioPlayerEffects(audioRef);

  const {
    currentTrack,
    isPlaying,
    currentTime,
    duration,
    volume,
    muted,
    repeat,
    shuffle,
    setCurrentTime,
    setVolume,
    toggleMute,
    toggleShuffle,
    setRepeat,
    next,
    previous,
  } = usePlayerStore();

  const { t } = useTranslation();
  const [showQueue, setShowQueue] = useState(false);

  const handleSeek = useCallback(
    (value: number[]) => {
      const audio = audioRef.current;
      const seekTime = value[0] ?? 0;
      if (audio) {
        audio.currentTime = seekTime;
        setCurrentTime(seekTime);
      }
    },
    [setCurrentTime],
  );

  const handleVolumeChange = useCallback((value: number[]) => setVolume(value[0] ?? 0), [setVolume]);

  const handleRepeatCycle = useCallback(() => {
    const modes: Array<'off' | 'track' | 'playlist'> = ['off', 'track', 'playlist'];
    const currentIndex = modes.indexOf(repeat);
    setRepeat(modes[(currentIndex + 1) % modes.length] ?? 'off');
  }, [repeat, setRepeat]);

  if (!currentTrack) {
    return null;
  }

  return (
    <>
      <audio ref={audioRef} preload="metadata" />
      <div className="fixed bottom-0 left-0 right-0 bg-background/95 backdrop-blur-md border-t border-border z-50">
        {/* Full-width progress bar at the very top of the player */}
        <AudioPlayerProgress
          currentTime={currentTime}
          duration={duration}
          onSeek={handleSeek}
          variant="minimal"
        />
        <div className="container mx-auto px-4 py-2">
          <div className="grid grid-cols-3 items-center gap-4">
            {/* Left: Track info */}
            <AudioPlayerTrackInfo track={currentTrack} />

            {/* Center: Playback controls */}
            <AudioPlayerControls
              isPlaying={isPlaying}
              shuffle={shuffle}
              repeat={repeat}
              onPlayPause={handlePlayPause}
              onPrevious={previous}
              onNext={next}
              onToggleShuffle={toggleShuffle}
              onRepeatCycle={handleRepeatCycle}
            />

            {/* Right: Volume + Queue */}
            <div className="flex items-center justify-end gap-2">
              <AudioPlayerVolume
                volume={volume}
                muted={muted}
                onVolumeChange={handleVolumeChange}
                onToggleMute={toggleMute}
              />
              <Tooltip
                content={
                  showQueue
                    ? t('player.hideQueue', 'Hide queue')
                    : t('player.showQueue', 'Show queue')
                }
              >
                <Button
                  variant="ghost"
                  size="icon"
                  onClick={() => setShowQueue(!showQueue)}
                  className={showQueue ? 'text-primary' : ''}
                  aria-label={
                    showQueue
                      ? t('player.hideQueue', 'Hide queue')
                      : t('player.showQueue', 'Show queue')
                  }
                >
                  <List className="h-4 w-4" />
                </Button>
              </Tooltip>
            </div>
          </div>
        </div>
      </div>
      {showQueue && <QueuePanel onClose={() => setShowQueue(false)} />}
    </>
  );
}