import React from 'react';
import { View, Text, StyleSheet, TouchableOpacity, Pressable } from 'react-native';
import { useRouter } from 'expo-router';
import { AVPlaybackStatus } from 'expo-av';
import { ArrowLeft, Pause, Play, SkipForward, List, ChevronsRight, ChevronsLeft } from 'lucide-react-native';
import { ThemedText } from '@/components/ThemedText';
import { MediaButton } from '@/components/MediaButton';

import usePlayerStore from '@/stores/playerStore';

interface PlayerControlsProps {
  currentFocus: string | null;
  setShowControls: (show: boolean) => void;
}

export const PlayerControls: React.FC<PlayerControlsProps> = ({ currentFocus, setShowControls }) => {
  const router = useRouter();
  const {
    detail,
    currentEpisodeIndex,
    status,
    isSeeking,
    seekPosition,
    progressPosition,
    seek,
    togglePlayPause,
    playEpisode,
    setShowEpisodeModal,
  } = usePlayerStore();

  const videoTitle = detail?.videoInfo?.title || '';
  const currentEpisode = detail?.episodes[currentEpisodeIndex];
  const currentEpisodeTitle = currentEpisode?.title;
  const hasNextEpisode = currentEpisodeIndex < (detail?.episodes.length || 0) - 1;

  const formatTime = (milliseconds: number) => {
    if (!milliseconds) return '00:00';
    const totalSeconds = Math.floor(milliseconds / 1000);
    const minutes = Math.floor(totalSeconds / 60);
    const seconds = totalSeconds % 60;
    return `${minutes.toString().padStart(2, '0')}:${seconds.toString().padStart(2, '0')}`;
  };

  const onPlayNextEpisode = () => {
    if (hasNextEpisode) {
      playEpisode(currentEpisodeIndex + 1);
      setShowControls(false);
    }
  };

  return (
    <View style={styles.controlsOverlay}>
      <View style={styles.topControls}>
        <TouchableOpacity style={styles.controlButton} onPress={() => router.back()}>
          <ArrowLeft color="white" size={24} />
        </TouchableOpacity>

        <Text style={styles.controlTitle}>
          {videoTitle} {currentEpisodeTitle ? `- ${currentEpisodeTitle}` : ''}
        </Text>
      </View>

      <View style={styles.bottomControlsContainer}>
        <View style={styles.progressBarContainer}>
          <View style={styles.progressBarBackground} />
          <View
            style={[
              styles.progressBarFilled,
              {
                width: `${(isSeeking ? seekPosition : progressPosition) * 100}%`,
              },
            ]}
          />
          <Pressable style={styles.progressBarTouchable} />
        </View>

        <ThemedText style={{ color: 'white', marginTop: 5 }}>
          {status?.isLoaded
            ? `${formatTime(status.positionMillis)} / ${formatTime(status.durationMillis || 0)}`
            : '00:00 / 00:00'}
        </ThemedText>

        <View style={styles.bottomControls}>
          <MediaButton onPress={() => seek(false)} isFocused={currentFocus === 'skipBack'}>
            <ChevronsLeft color="white" size={24} />
          </MediaButton>

          <MediaButton onPress={togglePlayPause} isFocused={currentFocus === 'playPause'}>
            {status?.isLoaded && status.isPlaying ? (
              <Pause color="white" size={24} />
            ) : (
              <Play color="white" size={24} />
            )}
          </MediaButton>

          <MediaButton
            onPress={onPlayNextEpisode}
            isDisabled={!hasNextEpisode}
            isFocused={currentFocus === 'nextEpisode'}
          >
            <SkipForward color={hasNextEpisode ? 'white' : '#666'} size={24} />
          </MediaButton>

          <MediaButton onPress={() => seek(true)} isFocused={currentFocus === 'skipForward'}>
            <ChevronsRight color="white" size={24} />
          </MediaButton>

          <MediaButton onPress={() => setShowEpisodeModal(true)} isFocused={currentFocus === 'episodes'}>
            <List color="white" size={24} />
          </MediaButton>
        </View>
      </View>
    </View>
  );
};

const styles = StyleSheet.create({
  controlsOverlay: {
    ...StyleSheet.absoluteFillObject,
    backgroundColor: 'rgba(0, 0, 0, 0.4)',
    justifyContent: 'space-between',
    padding: 20,
  },
  topControls: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    alignItems: 'center',
  },
  controlTitle: {
    color: 'white',
    fontSize: 16,
    fontWeight: 'bold',
    flex: 1,
    textAlign: 'center',
    marginHorizontal: 10,
  },
  bottomControlsContainer: {
    width: '100%',
    alignItems: 'center',
  },
  bottomControls: {
    flexDirection: 'row',
    justifyContent: 'center',
    alignItems: 'center',
    gap: 10,
    flexWrap: 'wrap',
    marginTop: 15,
  },
  progressBarContainer: {
    width: '100%',
    height: 8,
    position: 'relative',
    marginTop: 10,
  },
  progressBarBackground: {
    position: 'absolute',
    left: 0,
    right: 0,
    height: 8,
    backgroundColor: 'rgba(255, 255, 255, 0.3)',
    borderRadius: 4,
  },
  progressBarFilled: {
    position: 'absolute',
    left: 0,
    height: 8,
    backgroundColor: '#ff0000',
    borderRadius: 4,
  },
  progressBarTouchable: {
    position: 'absolute',
    left: 0,
    right: 0,
    height: 30,
    top: -10,
    zIndex: 10,
  },
  controlButton: {
    padding: 10,
    flexDirection: 'row',
    alignItems: 'center',
  },
  topRightContainer: {
    padding: 10,
    alignItems: 'center',
    justifyContent: 'center',
    minWidth: 44, // Match TouchableOpacity default size for alignment
  },
  resolutionText: {
    color: 'white',
    fontSize: 16,
    fontWeight: 'bold',
    backgroundColor: 'rgba(0,0,0,0.5)',
    paddingHorizontal: 8,
    paddingVertical: 4,
    borderRadius: 6,
  },
});