import Mock from 'mockjs';

const Random = Mock.Random;

/** mockjs 请求回调参数 */
interface MockRequestOptions {
  url: string;
  type: string;
  body: null | string;
}

/** 门店筛选参数 */
interface StoreFilterParams {
  keyword?: string;
  businessStatus?: string;
  auditStatus?: string;
  serviceType?: string;
  page?: string;
  pageSize?: string;
}

// 预定义门店数据，保证每次请求返回一致的数据
const storePool = generateStores(23);

function generateStores(count: number) {
  const districts = [
    '朝阳区建国路88号',
    '海淀区中关村大街66号',
    '朝阳区望京西路50号',
    '通州区新华大街120号',
    '丰台区丰台路18号',
    '西城区西单北大街100号',
    '东城区王府井大街200号',
    '大兴区黄村镇兴华路30号',
    '昌平区回龙观东大街15号',
    '顺义区府前街8号',
    '石景山区石景山路22号',
    '房山区良乡拱辰大街55号',
    '密云区鼓楼东大街10号',
    '怀柔区青春路6号',
    '平谷区府前街12号',
    '门头沟区新桥大街3号',
    '延庆区妫水北街9号',
    '亦庄经济开发区荣华南路1号',
    '望京SOHO T1-2层',
    '三里屯太古里南区B1',
    '国贸商城3层',
    '五道口华联商厦1层',
    '中关村食宝街B1层',
  ];

  const managerNames = [
    '张伟',
    '李娜',
    '王磊',
    '赵敏',
    '刘洋',
    '陈静',
    '杨帆',
    '周杰',
    '吴芳',
    '孙涛',
    '马丽',
    '朱军',
    '胡明',
    '郭强',
    '何欢',
    '林峰',
    '徐婷',
    '高远',
    '罗斌',
    '梁宇',
    '宋佳',
    '唐亮',
    '韩雪',
  ];

  const storeNames = [
    '老三家外卖（朝阳店）',
    '老三家外卖（海淀店）',
    '老三家外卖（望京店）',
    '老三家外卖（通州店）',
    '老三家外卖（丰台店）',
    '老三家外卖（西单店）',
    '老三家外卖（王府井店）',
    '老三家外卖（大兴店）',
    '老三家外卖（回龙观店）',
    '老三家外卖（顺义店）',
    '老三家外卖（石景山店）',
    '老三家外卖（良乡店）',
    '老三家外卖（密云店）',
    '老三家外卖（怀柔店）',
    '老三家外卖（平谷店）',
    '老三家外卖（门头沟店）',
    '老三家外卖（延庆店）',
    '老三家外卖（亦庄店）',
    '老三家外卖（望京SOHO店）',
    '老三家外卖（三里屯店）',
    '老三家外卖（国贸店）',
    '老三家外卖（五道口店）',
    '老三家外卖（中关村店）',
  ];

  const avatarColors = [
    '#3b82f6',
    '#f59e0b',
    '#8b5cf6',
    '#ef4444',
    '#22c55e',
    '#06b6d4',
    '#ec4899',
    '#f97316',
    '#14b8a6',
    '#6366f1',
  ];

  const stores = [];
  for (let i = 0; i < count; i++) {
    // 1. 按索引分配营业状态，模拟真实分布
    let businessStatus = 1;
    if (i >= 21) {
      businessStatus = Random.pick([1, 2, 3]);
    } else if (i >= 18) {
      businessStatus = 3;
    } else if (i >= 14) {
      businessStatus = 2;
    }

    // 2. 按索引分配审核状态
    let auditStatus = 2;
    if (i < 20) {
      auditStatus = 1;
    } else if (i < 22) {
      auditStatus = 0;
    }

    // 3. 循环分配服务方式组合
    const serviceTypeCombos = [[1], [1, 2], [1, 2, 3], [1, 3], [2, 3]];

    stores.push({
      id: Random.guid(),
      name: storeNames[i] || `老三家外卖（分店${i + 1}）`,
      code: `ST2025${String(i + 1).padStart(4, '0')}`,
      contactPhone: `138****${String(8001 + i).slice(-4)}`,
      managerName: managerNames[i] || Random.cname(),
      address: `北京市${districts[i] || `朝阳区某路${i + 1}号`}`,
      coverImage: '',
      businessStatus,
      auditStatus,
      serviceTypes: serviceTypeCombos[i % serviceTypeCombos.length],
      createdAt: Random.datetime('yyyy-MM-dd'),
      _avatarColor: avatarColors[i % avatarColors.length],
    });
  }
  return stores;
}

function filterStores(params: StoreFilterParams) {
  let list = [...storePool];

  // 1. 关键词模糊匹配（名称/编码/电话）
  if (params.keyword) {
    const kw = params.keyword.toLowerCase();
    list = list.filter(
      (s) =>
        s.name.toLowerCase().includes(kw) ||
        s.code.toLowerCase().includes(kw) ||
        s.contactPhone.includes(kw),
    );
  }

  // 2. 营业状态筛选
  if (params.businessStatus) {
    const status = Number(params.businessStatus);
    list = list.filter((s) => s.businessStatus === status);
  }

  // 3. 审核状态筛选
  if (params.auditStatus !== undefined && params.auditStatus !== '') {
    const status = Number(params.auditStatus);
    list = list.filter((s) => s.auditStatus === status);
  }

  // 4. 服务方式筛选
  if (params.serviceType) {
    const type = Number(params.serviceType);
    list = list.filter((s) => (s.serviceTypes ?? []).includes(type));
  }

  return list;
}

/** 从 URL 中解析查询参数 */
function parseUrlParams(url: string): StoreFilterParams {
  const parsed = new URL(url, 'http://localhost');
  const params: Record<string, string> = {};
  parsed.searchParams.forEach((value, key) => {
    params[key] = value;
  });
  return params;
}

// 门店列表
Mock.mock(/\/store\/list/, 'get', (options: MockRequestOptions) => {
  const params = parseUrlParams(options.url);

  const page = Number(params.page) || 1;
  const pageSize = Number(params.pageSize) || 10;
  const filtered = filterStores(params);
  const start = (page - 1) * pageSize;
  const items = filtered.slice(start, start + pageSize);

  return {
    code: 200,
    data: {
      items,
      total: filtered.length,
      page,
      pageSize,
    },
  };
});

// 门店统计
Mock.mock(/\/store\/stats/, 'get', () => {
  return {
    code: 200,
    data: {
      total: storePool.length,
      operating: storePool.filter((s) => s.businessStatus === 1).length,
      resting: storePool.filter((s) => s.businessStatus === 2).length,
      pendingAudit: storePool.filter((s) => s.auditStatus === 0).length,
    },
  };
});

// 创建门店
Mock.mock(/\/store\/create/, 'post', () => {
  return { code: 200, data: null };
});

// 更新门店
Mock.mock(/\/store\/update/, 'post', () => {
  return { code: 200, data: null };
});

// 删除门店
Mock.mock(/\/store\/delete/, 'post', () => {
  return { code: 200, data: null };
});

// 设置 mock 响应延迟
Mock.setup({ timeout: '200-400' });