import { ThemedText } from '@/components/ThemedText';
import { useThemeColor } from '@/hooks/useThemeColor';
import { DietRecord } from '@/services/dietRecords';
import { Ionicons } from '@expo/vector-icons';
import dayjs from 'dayjs';
import React, { useMemo } from 'react';
import { Image, StyleSheet, TouchableOpacity, View } from 'react-native';

export type NutritionRecordCardProps = {
  record: DietRecord;
  onPress?: () => void;
  showTimeline?: boolean;
  isFirst?: boolean;
  isLast?: boolean;
};

const MEAL_TYPE_LABELS = {
  breakfast: '早餐',
  lunch: '午餐',
  dinner: '晚餐',
  snack: '加餐',
  other: '其他',
} as const;

const MEAL_TYPE_ICONS = {
  breakfast: 'sunny-outline',
  lunch: 'partly-sunny-outline',
  dinner: 'moon-outline',
  snack: 'cafe-outline',
  other: 'restaurant-outline',
} as const;

const MEAL_TYPE_COLORS = {
  breakfast: '#FFB366',
  lunch: '#4ECDC4',
  dinner: '#5D5FEF',
  snack: '#FF6B6B',
  other: '#9AA3AE',
} as const;

export function NutritionRecordCard({
  record,
  onPress,
  showTimeline = false,
  isFirst = false,
  isLast = false
}: NutritionRecordCardProps) {
  const surfaceColor = useThemeColor({}, 'surface');
  const textColor = useThemeColor({}, 'text');
  const textSecondaryColor = useThemeColor({}, 'textSecondary');
  const primaryColor = useThemeColor({}, 'primary');

  // 营养数据统计
  const nutritionStats = useMemo(() => {
    return [
      {
        label: '热量',
        value: record.estimatedCalories ? `${Math.round(record.estimatedCalories)} 千卡` : '-',
        icon: 'flame-outline' as const,
        color: '#FF6B6B'
      },
      {
        label: '蛋白质',
        value: record.proteinGrams ? `${record.proteinGrams.toFixed(1)} g` : '-',
        icon: 'fitness-outline' as const,
        color: '#4ECDC4'
      },
      {
        label: '碳水',
        value: record.carbohydrateGrams ? `${record.carbohydrateGrams.toFixed(1)} g` : '-',
        icon: 'leaf-outline' as const,
        color: '#45B7D1'
      },
      {
        label: '脂肪',
        value: record.fatGrams ? `${record.fatGrams.toFixed(1)} g` : '-',
        icon: 'water-outline' as const,
        color: '#FFA07A'
      },
    ];
  }, [record]);

  const mealTypeColor = MEAL_TYPE_COLORS[record.mealType];
  const mealTypeIcon = MEAL_TYPE_ICONS[record.mealType];
  const mealTypeLabel = MEAL_TYPE_LABELS[record.mealType];

  return (
    <View style={styles.timelineContainer}>
      {/* 时间轴 */}
      {showTimeline && (
        <View style={styles.timelineColumn}>
          <View style={styles.timeContainer}>
            <ThemedText style={[styles.timeText, { color: textSecondaryColor }]}>
              {record.createdAt ? dayjs(record.createdAt).format('HH:mm') : '--:--'}
            </ThemedText>
          </View>
          <View style={styles.timelineNode}>
            <View style={[styles.timelineDot, { backgroundColor: mealTypeColor }]}>
              <Ionicons name={mealTypeIcon as any} size={12} color="#FFFFFF" />
            </View>
            {!isLast && (
              <View style={[styles.timelineLine, { backgroundColor: textSecondaryColor }]} />
            )}
          </View>
        </View>
      )}

      {/* 卡片内容 */}
      <TouchableOpacity
        style={[
          styles.card,
          { backgroundColor: surfaceColor },
          showTimeline && styles.cardWithTimeline
        ]}
        onPress={onPress}
        activeOpacity={0.8}
      >
        {/* 主要内容区域 */}
        <View style={styles.mainContent}>
          {/* 左侧：食物图片 */}
          <View style={[styles.foodImageContainer, !record.imageUrl && styles.foodImagePlaceholder]}>
            {record.imageUrl ? (
              <Image source={{ uri: record.imageUrl }} style={styles.foodImage} />
            ) : (
              <Ionicons name="restaurant" size={32} color={textSecondaryColor} />
            )}
          </View>

          {/* 右侧：食物信息 */}
          <View style={styles.foodInfoContainer}>
            {/* 餐次和操作按钮 */}
            <View style={styles.headerRow}>
              <View style={styles.mealTypeContainer}>
                <View style={[styles.mealTypeBadge, { backgroundColor: `${mealTypeColor}15` }]}>
                  <ThemedText style={[styles.mealTypeText, { color: mealTypeColor }]}>
                    {mealTypeLabel}
                  </ThemedText>
                </View>
                {!showTimeline && (
                  <ThemedText style={[styles.mealTime, { color: textSecondaryColor }]}>
                    {record.mealTime ? dayjs(record.mealTime).format('HH:mm') : '时间未设置'}
                  </ThemedText>
                )}
              </View>
              <TouchableOpacity style={styles.moreButton}>
                <Ionicons name="ellipsis-horizontal" size={20} color={textSecondaryColor} />
              </TouchableOpacity>
            </View>

            {/* 食物名称和分量 */}
            <View style={styles.foodNameSection}>
              <ThemedText style={[styles.foodName, { color: textColor }]}>
                {record.foodName}
              </ThemedText>
              {(record.weightGrams || record.portionDescription) && (
                <ThemedText style={[styles.portionInfo, { color: textSecondaryColor }]}>
                  {record.portionDescription || `${record.weightGrams}g`}
                </ThemedText>
              )}
            </View>

            {/* 营养信息网格 */}
            <View style={styles.nutritionGrid}>
              {nutritionStats.map((stat) => (
                <View key={stat.label} style={styles.nutritionItem}>
                  <View style={styles.nutritionItemHeader}>
                    <Ionicons name={stat.icon} size={14} color={stat.color} />
                    <ThemedText style={[styles.nutritionLabel, { color: textSecondaryColor }]}>
                      {stat.label}
                    </ThemedText>
                  </View>
                  <ThemedText style={[styles.nutritionValue, { color: textColor }]}>
                    {stat.value}
                  </ThemedText>
                </View>
              ))}
            </View>

            {/* 备注信息 */}
            {record.notes && (
              <View style={styles.notesSection}>
                <ThemedText style={[styles.notesText, { color: textSecondaryColor }]}>
                  {record.notes}
                </ThemedText>
              </View>
            )}
          </View>
        </View>
      </TouchableOpacity>
    </View>
  );
}

const styles = StyleSheet.create({
  timelineContainer: {
    flexDirection: 'row',
    marginBottom: 12,
  },
  timelineColumn: {
    width: 64,
    alignItems: 'center',
    paddingTop: 8,
  },
  timeContainer: {
    marginBottom: 8,
  },
  timeText: {
    fontSize: 12,
    fontWeight: '600',
    textAlign: 'center',
  },
  timelineNode: {
    alignItems: 'center',
    flex: 1,
  },
  timelineDot: {
    width: 24,
    height: 24,
    borderRadius: 12,
    justifyContent: 'center',
    alignItems: 'center',
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 2 },
    shadowOpacity: 0.1,
    shadowRadius: 4,
    elevation: 2,
  },
  timelineLine: {
    width: 2,
    flex: 1,
    marginTop: 8,
    opacity: 0.3,
  },
  card: {
    flex: 1,
    borderRadius: 16,
    padding: 16,
    shadowColor: '#000',
    shadowOffset: { width: 0, height: 2 },
    shadowOpacity: 0.06,
    shadowRadius: 8,
    elevation: 2,
  },
  cardWithTimeline: {
    marginLeft: 8,
  },
  mainContent: {
    flexDirection: 'row',
  },
  foodImageContainer: {
    width: 80,
    height: 80,
    borderRadius: 16,
    marginRight: 16,
    overflow: 'hidden',
  },
  foodImage: {
    width: '100%',
    height: '100%',
  },
  foodImagePlaceholder: {
    backgroundColor: '#F8F9FA',
    justifyContent: 'center',
    alignItems: 'center',
  },
  foodInfoContainer: {
    flex: 1,
  },
  headerRow: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    alignItems: 'flex-start',
    marginBottom: 8,
  },
  mealTypeContainer: {
    flex: 1,
  },
  mealTypeBadge: {
    alignSelf: 'flex-start',
    paddingHorizontal: 8,
    paddingVertical: 4,
    borderRadius: 8,
    marginBottom: 4,
  },
  mealTypeText: {
    fontSize: 12,
    fontWeight: '600',
  },
  mealTime: {
    fontSize: 11,
    fontWeight: '500',
  },
  moreButton: {
    padding: 4,
    marginLeft: 8,
  },
  foodNameSection: {
    marginBottom: 12,
  },
  foodName: {
    fontSize: 18,
    fontWeight: '700',
    lineHeight: 24,
    marginBottom: 2,
  },
  portionInfo: {
    fontSize: 14,
    fontWeight: '500',
  },
  nutritionGrid: {
    flexDirection: 'row',
    flexWrap: 'wrap',
    marginBottom: 8,
  },
  nutritionItem: {
    width: '50%',
    marginBottom: 8,
    paddingRight: 8,
  },
  nutritionItemHeader: {
    flexDirection: 'row',
    alignItems: 'center',
    marginBottom: 2,
  },
  nutritionLabel: {
    fontSize: 12,
    fontWeight: '500',
    marginLeft: 4,
  },
  nutritionValue: {
    fontSize: 14,
    fontWeight: '700',
  },
  notesSection: {
    marginTop: 8,
    paddingTop: 12,
    borderTopWidth: 1,
    borderTopColor: 'rgba(0,0,0,0.06)',
  },
  notesText: {
    fontSize: 13,
    fontWeight: '500',
    lineHeight: 18,
    fontStyle: 'italic',
  },
});