import { AnimatedNumber } from '@/components/AnimatedNumber';
import { ROUTES } from '@/constants/Routes';
import { NutritionSummary } from '@/services/dietRecords';
import { Ionicons } from '@expo/vector-icons';
import dayjs from 'dayjs';
import { router } from 'expo-router';
import React, { useMemo, useState } from 'react';
import { StyleSheet, Text, TouchableOpacity, View } from 'react-native';
import { RadarCategory, RadarChart } from './RadarChart';


export type NutritionRadarCardProps = {
  nutritionSummary: NutritionSummary | null;
  /** 基础代谢消耗的卡路里 */
  burnedCalories?: number;
  /** 卡路里缺口 */
  calorieDeficit?: number;
  /** 动画重置令牌 */
  resetToken?: number;
  /** 餐次点击回调 */
  onMealPress?: (mealType: 'breakfast' | 'lunch' | 'dinner' | 'snack') => void;
};

// 营养维度定义
const NUTRITION_DIMENSIONS: RadarCategory[] = [
  { key: 'calories', label: '热量' },
  { key: 'protein', label: '蛋白质' },
  { key: 'carbohydrate', label: '碳水' },
  { key: 'fat', label: '脂肪' },
  { key: 'fiber', label: '纤维' },
  { key: 'sodium', label: '钠' },
];

export function NutritionRadarCard({
  nutritionSummary,
  burnedCalories = 1618,
  calorieDeficit = 0,
  resetToken,
  onMealPress
}: NutritionRadarCardProps) {
  const [currentMealType, setCurrentMealType] = useState<'breakfast' | 'lunch' | 'dinner' | 'snack'>('breakfast');
  const radarValues = useMemo(() => {
    // 基于推荐日摄入量计算分数
    const recommendations = {
      calories: 2000, // 卡路里
      protein: 50, // 蛋白质(g)
      carbohydrate: 300, // 碳水化合物(g)
      fat: 65, // 脂肪(g)
      fiber: 25, // 膳食纤维(g)
      sodium: 2300, // 钠(mg)
    };

    if (!nutritionSummary) return [0, 0, 0, 0, 0, 0];

    // 检查每个营养素是否有实际值，没有则返回0
    const calories = nutritionSummary.totalCalories || 0;
    const protein = nutritionSummary.totalProtein || 0;
    const carbohydrate = nutritionSummary.totalCarbohydrate || 0;
    const fat = nutritionSummary.totalFat || 0;
    const fiber = nutritionSummary.totalFiber || 0;
    const sodium = nutritionSummary.totalSodium || 0;

    return [
      calories > 0 ? Math.min(5, (calories / recommendations.calories) * 5) : 0,
      protein > 0 ? Math.min(5, (protein / recommendations.protein) * 5) : 0,
      carbohydrate > 0 ? Math.min(5, (carbohydrate / recommendations.carbohydrate) * 5) : 0,
      fat > 0 ? Math.min(5, (fat / recommendations.fat) * 5) : 0,
      fiber > 0 ? Math.min(5, (fiber / recommendations.fiber) * 5) : 0,
      sodium > 0 ? Math.min(5, Math.max(0, 5 - (sodium / recommendations.sodium) * 5)) : 0, // 钠含量越低越好
    ];
  }, [nutritionSummary]);

  const nutritionStats = useMemo(() => {
    return [
      { label: '热量', value: nutritionSummary ? `${Math.round(nutritionSummary.totalCalories)} 千卡` : '0 千卡', color: '#FF6B6B' },
      { label: '蛋白质', value: nutritionSummary ? `${nutritionSummary.totalProtein.toFixed(1)} g` : '0.0 g', color: '#4ECDC4' },
      { label: '碳水', value: nutritionSummary ? `${nutritionSummary.totalCarbohydrate.toFixed(1)} g` : '0.0 g', color: '#45B7D1' },
      { label: '脂肪', value: nutritionSummary ? `${nutritionSummary.totalFat.toFixed(1)} g` : '0.0 g', color: '#FFA07A' },
      { label: '纤维', value: nutritionSummary ? `${nutritionSummary.totalFiber.toFixed(1)} g` : '0.0 g', color: '#98D8C8' },
      { label: '钠', value: nutritionSummary ? `${Math.round(nutritionSummary.totalSodium)} mg` : '0 mg', color: '#F7DC6F' },
    ];
  }, [nutritionSummary]);

  // 计算还能吃的卡路里
  const consumedCalories = nutritionSummary?.totalCalories || 0;
  const remainingCalories = burnedCalories - consumedCalories - calorieDeficit;

  // 餐次数据
  const meals = [
    {
      type: 'breakfast' as const,
      name: '早餐',
      emoji: '🥚',
    },
    {
      type: 'lunch' as const,
      name: '午餐',
      emoji: '🍔',
    },
    {
      type: 'dinner' as const,
      name: '晚餐',
      emoji: '🥣',
    },
    {
      type: 'snack' as const,
      name: '加餐',
      emoji: '🍎',
    },
  ];

  const handleNavigateToRecords = () => {
    router.push(ROUTES.NUTRITION_RECORDS);
  };

  const handleAddFood = () => {
    router.push(`/food-library?mealType=${currentMealType}`);
  };

  return (
    <TouchableOpacity style={styles.card} onPress={handleNavigateToRecords} activeOpacity={0.8}>
      <View style={styles.cardHeader}>
        <Text style={styles.cardTitle}>营养摄入分析</Text>
        <View style={styles.cardRightContainer}>
          <Text style={styles.cardSubtitle}>更新: {dayjs(nutritionSummary?.updatedAt).format('MM-DD HH:mm')}</Text>
          <TouchableOpacity style={styles.addButton} onPress={handleAddFood}>
            <Ionicons name="add-circle" size={16} color="#FFFFFF" />
          </TouchableOpacity>
        </View>
      </View>

      <View style={styles.contentContainer}>
        <View style={styles.radarContainer}>
          <RadarChart
            categories={NUTRITION_DIMENSIONS}
            values={radarValues}
            size="small"
            maxValue={5}
          />
        </View>

        <View style={styles.statsContainer}>
          {nutritionStats.map((stat, index) => (
            <View key={stat.label} style={styles.statItem}>
              <View style={[styles.statDot, { backgroundColor: stat.color }]} />
              <Text style={styles.statLabel}>{stat.label}</Text>
              <Text style={styles.statValue}>{stat.value}</Text>
            </View>
          ))}
        </View>
      </View>

      {/* 卡路里计算区域 */}
      <View style={styles.calorieSection}>
        <View style={styles.calorieContent}>
          <View style={styles.calculationRow}>
            <Text style={styles.calorieSubtitle}>还能吃(千卡)</Text>
            <AnimatedNumber
              value={remainingCalories}
              resetToken={resetToken}
              style={styles.mainValue}
              format={(v) => Math.round(v).toString()}
            />
            <Text style={styles.calculationText}> = </Text>
            <View style={styles.calculationItem}>
              <Ionicons name="flame" size={16} color="#FF6B6B" />
              <Text style={styles.calculationLabel}>消耗</Text>
            </View>
            <AnimatedNumber
              value={burnedCalories}
              resetToken={resetToken}
              style={styles.calculationValue}
              format={(v) => Math.round(v).toString()}
            />
            <Text style={styles.calculationText}> - </Text>
            <View style={styles.calculationItem}>
              <Ionicons name="restaurant" size={16} color="#4ECDC4" />
              <Text style={styles.calculationLabel}>饮食</Text>
            </View>
            <AnimatedNumber
              value={consumedCalories}
              resetToken={resetToken}
              style={styles.calculationValue}
              format={(v) => Math.round(v).toString()}
            />
          </View>
        </View>
      </View>


    </TouchableOpacity>
  );
}

const styles = StyleSheet.create({
  card: {
    backgroundColor: '#FFFFFF',
    borderRadius: 22,
    padding: 18,
    shadowColor: '#000',
    shadowOffset: {
      width: 0,
      height: 2,
    },
    shadowOpacity: 0.1,
    shadowRadius: 3.84,
    elevation: 5,
  },
  cardHeader: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    alignItems: 'center',
    marginBottom: 16,
  },
  cardTitle: {
    fontSize: 18,
    fontWeight: '800',
    color: '#192126',
  },
  cardRightContainer: {
    flexDirection: 'row',
    alignItems: 'center',
    gap: 4,
  },
  cardSubtitle: {
    fontSize: 12,
    color: '#9AA3AE',
    fontWeight: '600',
  },
  contentContainer: {
    flexDirection: 'row',
    alignItems: 'center',
  },
  radarContainer: {
    alignItems: 'center',
    marginRight: 6,
  },
  statsContainer: {
    flex: 1,
    flexDirection: 'row',
    flexWrap: 'wrap',
    justifyContent: 'space-between',
    marginLeft: 4
  },
  statItem: {
    flexDirection: 'row',
    alignItems: 'center',
    width: '48%',
    marginBottom: 16,
  },
  statDot: {
    width: 8,
    height: 8,
    borderRadius: 4,
    marginRight: 8,
  },
  statLabel: {
    fontSize: 12,
    color: '#9AA3AE',
    fontWeight: '600',
    flex: 1,
  },
  statValue: {
    fontSize: 12,
    color: '#192126',
    fontWeight: '700',
  },
  // 卡路里相关样式
  calorieSection: {
    marginTop: 12,
  },

  calorieTitleContainer: {
    flexDirection: 'row',
    alignItems: 'center',
  },
  calorieIcon: {
    fontSize: 16,
    marginRight: 8,
  },
  calorieTitle: {
    fontSize: 16,
    fontWeight: '800',
    color: '#192126',
  },
  calorieContent: {
  },
  calorieSubtitle: {
    fontSize: 10,
    color: '#64748B',
    fontWeight: '600',
    marginRight: 4,
  },
  calculationRow: {
    flexDirection: 'row',
    alignItems: 'center',
    flexWrap: 'wrap',
    gap: 4,
  },
  mainValue: {
    fontSize: 24,
    fontWeight: '800',
    color: '#192126',
  },
  calculationText: {
    fontSize: 14,
    fontWeight: '600',
    color: '#64748B',
  },
  calculationItem: {
    flexDirection: 'row',
    alignItems: 'center',
    gap: 2,
  },
  calculationLabel: {
    fontSize: 10,
    color: '#64748B',
    fontWeight: '500',
  },
  calculationValue: {
    fontSize: 12,
    fontWeight: '700',
    color: '#192126',
  },
  mealsContainer: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    paddingTop: 12,
    borderTopWidth: 1,
    borderTopColor: '#F1F5F9',
  },
  mealItem: {
    alignItems: 'center',
    flex: 1,
  },
  mealIconContainer: {
    position: 'relative',
    marginBottom: 6,
  },
  mealEmoji: {
    fontSize: 24,
  },
  addButton: {
    width: 16,
    height: 16,
    borderRadius: 8,
    backgroundColor: '#10B981',
    alignItems: 'center',
    justifyContent: 'center',
    shadowColor: '#000',
    shadowOffset: {
      width: 0,
      height: 2,
    },
    shadowOpacity: 0.1,
    shadowRadius: 4,
    elevation: 2,
  },
  mealName: {
    fontSize: 10,
    color: '#64748B',
    fontWeight: '600',
  },
});