import dayjs from 'dayjs';
import { DietRecord } from './dietRecords';

// 模拟营养记录数据，用于测试UI效果
export const mockDietRecords: DietRecord[] = [
  // 今天的记录
  {
    id: 1,
    mealType: 'breakfast',
    foodName: '燕麦粥配蓝莓',
    foodDescription: '有机燕麦片，新鲜蓝莓，低脂牛奶',
    weightGrams: 300,
    portionDescription: '1大碗',
    estimatedCalories: 280,
    proteinGrams: 12.5,
    carbohydrateGrams: 45.2,
    fatGrams: 6.8,
    fiberGrams: 8.5,
    sugarGrams: 15.3,
    sodiumMg: 120,
    source: 'manual',
    mealTime: dayjs().hour(7).minute(30).toISOString(),
    imageUrl: 'https://images.unsplash.com/photo-1511690743698-d9d85f2fbf38?w=300&h=300&fit=crop',
    notes: '营养丰富的早餐，富含膳食纤维和抗氧化物质',
    createdAt: dayjs().hour(7).minute(35).toISOString(),
    updatedAt: dayjs().hour(7).minute(35).toISOString(),
  },
  {
    id: 2,
    mealType: 'lunch',
    foodName: '鸡胸肉沙拉',
    foodDescription: '烤鸡胸肉，混合蔬菜，橄榄油调味',
    weightGrams: 250,
    portionDescription: '1份',
    estimatedCalories: 320,
    proteinGrams: 35.6,
    carbohydrateGrams: 8.4,
    fatGrams: 15.2,
    fiberGrams: 6.2,
    sugarGrams: 5.8,
    sodiumMg: 480,
    source: 'manual',
    mealTime: dayjs().hour(12).minute(15).toISOString(),
    imageUrl: 'https://images.unsplash.com/photo-1546069901-ba9599a7e63c?w=300&h=300&fit=crop',
    notes: '高蛋白低碳水，适合健身人群',
    createdAt: dayjs().hour(12).minute(20).toISOString(),
    updatedAt: dayjs().hour(12).minute(20).toISOString(),
  },
  {
    id: 3,
    mealType: 'snack',
    foodName: '混合坚果',
    foodDescription: '杏仁，核桃，腰果混合装',
    weightGrams: 30,
    portionDescription: '1小包',
    estimatedCalories: 180,
    proteinGrams: 6.5,
    carbohydrateGrams: 6.8,
    fatGrams: 15.5,
    fiberGrams: 3.2,
    sugarGrams: 2.1,
    sodiumMg: 5,
    source: 'manual',
    mealTime: dayjs().hour(15).minute(30).toISOString(),
    notes: '健康的下午茶零食',
    createdAt: dayjs().hour(15).minute(35).toISOString(),
    updatedAt: dayjs().hour(15).minute(35).toISOString(),
  },
  {
    id: 4,
    mealType: 'dinner',
    foodName: '三文鱼配蒸蔬菜',
    foodDescription: '挪威三文鱼，西兰花，胡萝卜',
    weightGrams: 350,
    portionDescription: '1份',
    estimatedCalories: 420,
    proteinGrams: 42.3,
    carbohydrateGrams: 12.5,
    fatGrams: 22.8,
    fiberGrams: 5.6,
    sugarGrams: 8.2,
    sodiumMg: 380,
    source: 'vision',
    mealTime: dayjs().hour(19).minute(0).toISOString(),
    imageUrl: 'https://images.unsplash.com/photo-1467003909585-2f8a72700288?w=300&h=300&fit=crop',
    notes: '富含Omega-3脂肪酸，有益心血管健康',
    createdAt: dayjs().hour(19).minute(10).toISOString(),
    updatedAt: dayjs().hour(19).minute(10).toISOString(),
  },

  // 昨天的记录
  {
    id: 5,
    mealType: 'breakfast',
    foodName: '希腊酸奶杯',
    foodDescription: '无糖希腊酸奶，草莓，燕麦片',
    weightGrams: 200,
    portionDescription: '1杯',
    estimatedCalories: 220,
    proteinGrams: 20.4,
    carbohydrateGrams: 18.6,
    fatGrams: 8.2,
    fiberGrams: 4.1,
    sugarGrams: 12.5,
    sodiumMg: 85,
    source: 'manual',
    mealTime: dayjs().subtract(1, 'day').hour(8).minute(0).toISOString(),
    imageUrl: 'https://images.unsplash.com/photo-1488477181946-6428a0291777?w=300&h=300&fit=crop',
    notes: '高蛋白早餐，饱腹感强',
    createdAt: dayjs().subtract(1, 'day').hour(8).minute(5).toISOString(),
    updatedAt: dayjs().subtract(1, 'day').hour(8).minute(5).toISOString(),
  },

  // 更多历史记录，用于测试分页
  {
    id: 6,
    mealType: 'lunch',
    foodName: '牛肉面',
    foodDescription: '手拉面条，牛肉汤底，青菜',
    weightGrams: 400,
    portionDescription: '1碗',
    estimatedCalories: 580,
    proteinGrams: 28.0,
    carbohydrateGrams: 65.0,
    fatGrams: 18.5,
    fiberGrams: 4.8,
    sugarGrams: 6.2,
    sodiumMg: 1200,
    source: 'manual',
    mealTime: dayjs().subtract(2, 'day').hour(13).minute(0).toISOString(),
    notes: '传统中式午餐',
    createdAt: dayjs().subtract(2, 'day').hour(13).minute(10).toISOString(),
    updatedAt: dayjs().subtract(2, 'day').hour(13).minute(10).toISOString(),
  },
  {
    id: 7,
    mealType: 'breakfast',
    foodName: '全麦吐司配牛油果',
    foodDescription: '全麦面包，新鲜牛油果，煎蛋',
    weightGrams: 180,
    portionDescription: '2片吐司',
    estimatedCalories: 350,
    proteinGrams: 15.2,
    carbohydrateGrams: 28.5,
    fatGrams: 22.0,
    fiberGrams: 8.0,
    sugarGrams: 3.5,
    sodiumMg: 220,
    source: 'manual',
    mealTime: dayjs().subtract(3, 'day').hour(8).minute(30).toISOString(),
    imageUrl: 'https://images.unsplash.com/photo-1541519227354-08fa5d50c44d?w=300&h=300&fit=crop',
    notes: '健康脂肪和蛋白质的完美组合',
    createdAt: dayjs().subtract(3, 'day').hour(8).minute(35).toISOString(),
    updatedAt: dayjs().subtract(3, 'day').hour(8).minute(35).toISOString(),
  },
  {
    id: 8,
    mealType: 'dinner',
    foodName: '蒸蛋羹',
    foodDescription: '鸡蛋，温水，少许盐',
    weightGrams: 150,
    portionDescription: '1小碗',
    estimatedCalories: 140,
    proteinGrams: 12.0,
    carbohydrateGrams: 1.0,
    fatGrams: 10.0,
    fiberGrams: 0,
    sugarGrams: 1.0,
    sodiumMg: 180,
    source: 'manual',
    mealTime: dayjs().subtract(4, 'day').hour(18).minute(45).toISOString(),
    notes: '清淡易消化的晚餐',
    createdAt: dayjs().subtract(4, 'day').hour(19).minute(0).toISOString(),
    updatedAt: dayjs().subtract(4, 'day').hour(19).minute(0).toISOString(),
  },
];

// 模拟API响应，支持分页和日期过滤
export function getMockDietRecords({
  startDate,
  endDate,
  page = 1,
  limit = 10,
}: {
  startDate?: string;
  endDate?: string;
  page?: number;
  limit?: number;
} = {}) {
  let filteredRecords = mockDietRecords;

  // 如果有日期范围，则过滤
  if (startDate && endDate) {
    filteredRecords = mockDietRecords.filter(record => {
      const recordDate = dayjs(record.mealTime).format('YYYY-MM-DD');
      return recordDate >= startDate && recordDate <= endDate;
    });
  }

  // 分页
  const startIndex = (page - 1) * limit;
  const endIndex = startIndex + limit;
  const paginatedRecords = filteredRecords.slice(startIndex, endIndex);

  return {
    records: paginatedRecords,
    total: filteredRecords.length,
    page,
    limit,
  };
}