// 模拟客户数据
const mockCustomers = [
  {
    id: 1,
    name: '张三',
    phone: '13800138001',
    province: '广东省',
    city: '深圳市',
    district: '南山区',
    address: '科技园路1号',
    email: 'zhangsan@example.com',
    customer_type: 'VIP',
    create_time: '2025-01-15 10:30:00'
  },
  {
    id: 2,
    name: '李四',
    phone: '13800138002',
    province: '浙江省',
    city: '杭州市',
    district: '西湖区',
    address: '文三路100号',
    email: 'lisi@example.com',
    customer_type: 'Normal',
    create_time: '2025-02-20 14:20:00'
  },
  {
    id: 3,
    name: '王五',
    phone: '13800138003',
    province: '四川省',
    city: '成都市',
    district: '武侯区',
    address: '天府大道200号',
    email: 'wangwu@example.com',
    customer_type: 'VIP',
    create_time: '2025-03-10 09:15:00'
  },
  {
    id: 4,
    name: '赵六',
    phone: '13800138004',
    province: '湖南省',
    city: '长沙市',
    district: '岳麓区',
    address: '麓山南路100号',
    email: 'zhaoliu@example.com',
    customer_type: 'Normal',
    create_time: '2025-04-05 16:45:00'
  }
]

// 模拟网络延迟
const delay = (ms = 300) => new Promise(r => setTimeout(r, ms))

// Mock API
export const mockCustomerAPI = {
  // 获取列表
  async getList(params = {}) {
    await delay()
    let result = [...mockCustomers]

    // 关键词搜索
    if (params.keyword) {
      const keyword = params.keyword.toLowerCase()
      const searchField = params.searchField || '1'

      if (searchField === '2') {
        // 编号：精确匹配
        result = result.filter(item => String(item.id) === keyword)
      } else if (searchField === '1') {
        // 姓名：模糊匹配
        result = result.filter(item => item.name.includes(keyword))
      } else if (searchField === '3') {
        // 电话：模糊匹配
        result = result.filter(item => item.phone.includes(keyword))
      } else if (searchField === '4') {
        // 邮箱：模糊匹配
        result = result.filter(item => item.email.includes(keyword))
      } else {
        // 默认：模糊匹配所有字段
        result = result.filter(item =>
          String(item.id).includes(keyword) ||
          item.name.includes(keyword) ||
          item.phone.includes(keyword) ||
          item.email.includes(keyword)
        )
      }
    }

    // 客户类型筛选
    if (params.customer_type) {
      result = result.filter(item => item.customer_type === params.customer_type)
    }

    return { code: 200, data: result, total: result.length }
  },

  // 获取详情
  async getDetail(id) {
    await delay()
    const customer = mockCustomers.find(item => item.id === id)
    if (customer) {
      return { code: 200, data: customer }
    }
    return { code: 404, message: '客户不存在' }
  },

  // 新增
  async create(data) {
    await delay()
    // 生成自增 ID
    const maxId = mockCustomers.length > 0 ? Math.max(...mockCustomers.map(item => item.id)) : 0
    const newCustomer = {
      id: maxId + 1,
      ...data,
      create_time: new Date().toISOString().replace('T', ' ').slice(0, 19)
    }
    mockCustomers.push(newCustomer)
    return { code: 200, data: newCustomer, message: '新增成功' }
  },

  // 更新
  async update(id, data) {
    await delay()
    const index = mockCustomers.findIndex(item => item.id === id)
    if (index !== -1) {
      mockCustomers[index] = { ...mockCustomers[index], ...data }
      return { code: 200, data: mockCustomers[index], message: '更新成功' }
    }
    return { code: 404, message: '客户不存在' }
  },

  // 删除
  async delete(id) {
    await delay()
    const index = mockCustomers.findIndex(item => item.id === id)
    if (index !== -1) {
      mockCustomers.splice(index, 1)
      return { code: 200, message: '删除成功' }
    }
    return { code: 404, message: '客户不存在' }
  }
}