import React, { useState, useEffect, useCallback, useRef } from 'react';
import { View, Text, Image, StyleSheet, Pressable, TouchableOpacity, Alert } from 'react-native';
import Animated, { useSharedValue, useAnimatedStyle, withSpring } from 'react-native-reanimated';
import { useRouter } from 'expo-router';
import { Heart, Star, Play, Trash2 } from 'lucide-react-native';
import { FavoriteManager, PlayRecordManager } from '@/services/storage';
import { API, api } from '@/services/api';
import { ThemedText } from '@/components/ThemedText';

interface VideoCardProps {
  id: string;
  source: string;
  title: string;
  poster: string;
  year?: string;
  rate?: string;
  sourceName?: string;
  progress?: number; // 播放进度，0-1之间的小数
  episodeIndex?: number; // 剧集索引
  totalEpisodes?: number; // 总集数
  onFocus?: () => void;
  onRecordDeleted?: () => void; // 添加回调属性
  api: API;
}

export default function VideoCard({
  id,
  source,
  title,
  poster,
  year,
  rate,
  sourceName,
  progress,
  episodeIndex,
  totalEpisodes,
  onFocus,
  onRecordDeleted,
  api,
}: VideoCardProps) {
  const router = useRouter();
  const [isFocused, setIsFocused] = useState(false);

  const longPressTriggered = useRef(false);

  const scale = useSharedValue(1);

  const animatedStyle = useAnimatedStyle(() => {
    return {
      transform: [{ scale: scale.value }],
    };
  });

  const handlePress = () => {
    if (longPressTriggered.current) {
      longPressTriggered.current = false;
      return;
    }
    // 如果有播放进度，直接转到播放页面
    if (progress !== undefined && episodeIndex !== undefined) {
      router.push({
        pathname: '/play',
        params: { source, id, episodeIndex },
      });
    } else {
      router.push({
        pathname: '/detail',
        params: { source, q: title },
      });
    }
  };

  const handleFocus = useCallback(() => {
    setIsFocused(true);
    scale.value = withSpring(1.05, { damping: 15, stiffness: 200 });
    onFocus?.();
  }, [scale, onFocus]);

  const handleBlur = useCallback(() => {
    setIsFocused(false);
    scale.value = withSpring(1.0);
  }, [scale]);

  const handleLongPress = () => {
    // Only allow long press for items with progress (play records)
    if (progress === undefined) return;

    longPressTriggered.current = true;

    // Show confirmation dialog to delete play record
    Alert.alert('删除观看记录', `确定要删除"${title}"的观看记录吗？`, [
      {
        text: '取消',
        style: 'cancel',
      },
      {
        text: '删除',
        style: 'destructive',
        onPress: async () => {
          try {
            // Delete from local storage
            await PlayRecordManager.remove(source, id);

            // Call the onRecordDeleted callback
            if (onRecordDeleted) {
              onRecordDeleted();
            }
            // 如果没有回调函数，则使用导航刷新作为备选方案
            else if (router.canGoBack()) {
              router.replace('/');
            }
          } catch (error) {
            console.error('Failed to delete play record:', error);
            Alert.alert('错误', '删除观看记录失败，请重试');
          }
        },
      },
    ]);
  };

  // 是否是继续观看的视频
  const isContinueWatching = progress !== undefined && progress > 0 && progress < 1;

  return (
    <Animated.View style={[styles.wrapper, animatedStyle]}>
      <TouchableOpacity
        onPress={handlePress}
        onLongPress={handleLongPress}
        onFocus={handleFocus}
        onBlur={handleBlur}
        style={styles.pressable}
        activeOpacity={1}
        delayLongPress={1000}
      >
        <View style={styles.card}>
          <Image source={{ uri: api.getImageProxyUrl(poster) }} style={styles.poster} />
          {isFocused && (
            <View style={styles.overlay}>
              {isContinueWatching && (
                <View style={styles.continueWatchingBadge}>
                  <Play size={16} color="#ffffff" fill="#ffffff" />
                  <ThemedText style={styles.continueWatchingText}>继续观看</ThemedText>
                </View>
              )}
            </View>
          )}

          {/* 进度条 */}
          {isContinueWatching && (
            <View style={styles.progressContainer}>
              <View style={[styles.progressBar, { width: `${(progress || 0) * 100}%` }]} />
            </View>
          )}

          {rate && (
            <View style={styles.ratingContainer}>
              <Star size={12} color="#FFD700" fill="#FFD700" />
              <ThemedText style={styles.ratingText}>{rate}</ThemedText>
            </View>
          )}
          {year && (
            <View style={styles.yearBadge}>
              <Text style={styles.badgeText}>{year}</Text>
            </View>
          )}
          {sourceName && (
            <View style={styles.sourceNameBadge}>
              <Text style={styles.badgeText}>{sourceName}</Text>
            </View>
          )}
        </View>
        <View style={styles.infoContainer}>
          <ThemedText numberOfLines={1}>{title}</ThemedText>
          {isContinueWatching && !isFocused && (
            <View style={styles.infoRow}>
              <ThemedText style={styles.continueLabel}>
                第{episodeIndex! + 1}集 已观看 {Math.round((progress || 0) * 100)}%
              </ThemedText>
            </View>
          )}
        </View>
      </TouchableOpacity>
    </Animated.View>
  );
}

const CARD_WIDTH = 160;
const CARD_HEIGHT = 240;

const styles = StyleSheet.create({
  wrapper: {
    marginHorizontal: 8,
  },
  pressable: {
    alignItems: 'center',
  },
  card: {
    width: CARD_WIDTH,
    height: CARD_HEIGHT,
    borderRadius: 8,
    backgroundColor: '#222',
    overflow: 'hidden',
  },
  poster: {
    width: '100%',
    height: '100%',
  },
  overlay: {
    ...StyleSheet.absoluteFillObject,
    backgroundColor: 'rgba(0,0,0,0.3)',
    justifyContent: 'center',
    alignItems: 'center',
  },
  buttonRow: {
    position: 'absolute',
    top: 8,
    left: 8,
    flexDirection: 'row',
    gap: 8,
  },
  iconButton: {
    padding: 4,
  },
  favButton: {
    position: 'absolute',
    top: 8,
    left: 8,
  },
  ratingContainer: {
    position: 'absolute',
    top: 8,
    right: 8,
    flexDirection: 'row',
    alignItems: 'center',
    backgroundColor: 'rgba(0, 0, 0, 0.7)',
    borderRadius: 6,
    paddingHorizontal: 6,
    paddingVertical: 3,
  },
  ratingText: {
    color: '#FFD700',
    fontSize: 12,
    fontWeight: 'bold',
    marginLeft: 4,
  },
  infoContainer: {
    width: CARD_WIDTH,
    marginTop: 8,
    alignItems: 'flex-start', // Align items to the start
    marginBottom: 16,
    paddingHorizontal: 4, // Add some padding
  },
  infoRow: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    width: '100%',
  },
  title: {
    color: 'white',
    fontSize: 16,
    fontWeight: 'bold',
    textAlign: 'center',
  },
  yearBadge: {
    position: 'absolute',
    top: 8,
    right: 8,
    backgroundColor: 'rgba(0, 0, 0, 0.7)',
    borderRadius: 6,
    paddingHorizontal: 6,
    paddingVertical: 3,
  },
  sourceNameBadge: {
    position: 'absolute',
    top: 8,
    left: 8,
    backgroundColor: 'rgba(0, 0, 0, 0.7)',
    borderRadius: 6,
    paddingHorizontal: 6,
    paddingVertical: 3,
  },
  badgeText: {
    color: 'white',
    fontSize: 12,
    fontWeight: 'bold',
  },
  progressContainer: {
    position: 'absolute',
    bottom: 0,
    left: 0,
    right: 0,
    height: 3,
    backgroundColor: 'rgba(0, 0, 0, 0.5)',
  },
  progressBar: {
    height: 3,
    backgroundColor: '#ff0000',
  },
  continueWatchingBadge: {
    flexDirection: 'row',
    alignItems: 'center',
    backgroundColor: 'rgba(255, 0, 0, 0.8)',
    paddingHorizontal: 10,
    paddingVertical: 5,
    borderRadius: 5,
  },
  continueWatchingText: {
    color: 'white',
    marginLeft: 5,
    fontSize: 12,
    fontWeight: 'bold',
  },
  continueLabel: {
    color: '#ff5252',
    fontSize: 12,
  },
});