import Mock from 'mockjs'
import { SUCCESS_CODE } from '@/constants'

const timeout = 1000

// 教师模拟数据
const teacherList: any[] = []

// 生成50条模拟数据
for (let i = 1; i <= 50; i++) {
  teacherList.push({
    id: `teacher_${i}`,
    teacherNo: `T${String(i).padStart(6, '0')}`,
    realName: Mock.Random.cname(),
    department: Mock.Random.pick([
      '计算机学院',
      '数学学院',
      '物理学院',
      '化学学院',
      '文学院',
      '外国语学院',
      '经济学院',
      '管理学院',
      '法学院',
      '教育学院'
    ]),
    phone: Mock.Random.pick([
      '13800138000',
      '13900139000',
      '15000150000',
      '15100151000',
      '18600186000'
    ]),
    status: Mock.Random.pick([0, 1]),
    createdTime: Mock.Random.datetime('yyyy-MM-dd HH:mm:ss'),
    updatedTime: Mock.Random.datetime('yyyy-MM-dd HH:mm:ss')
  })
}

export default [
  // 查询教师列表
  {
    url: '/api/teachers',
    method: 'get',
    timeout,
    response: ({ query }: any) => {
      const { pageNo = 1, pageSize = 10, teacherNo, realName, department, status } = query

      let filteredList = teacherList

      // 教师工号模糊查询
      if (teacherNo) {
        filteredList = filteredList.filter((item) =>
          item.teacherNo.toLowerCase().includes(teacherNo.toLowerCase())
        )
      }

      // 真实姓名模糊查询
      if (realName) {
        filteredList = filteredList.filter((item) =>
          item.realName.toLowerCase().includes(realName.toLowerCase())
        )
      }

      // 部门模糊查询
      if (department) {
        filteredList = filteredList.filter((item) =>
          item.department.toLowerCase().includes(department.toLowerCase())
        )
      }

      // 状态精确查询
      if (status !== undefined && status !== null && status !== '') {
        filteredList = filteredList.filter((item) => item.status === Number(status))
      }

      const totals = filteredList.length
      const totalPages = Math.ceil(totals / pageSize)
      const startIndex = (pageNo - 1) * pageSize
      const endIndex = startIndex + Number(pageSize)
      const list = filteredList.slice(startIndex, endIndex)

      return {
        code: SUCCESS_CODE,
        data: {
          totals,
          totalPages,
          list
        }
      }
    }
  },

  // 新增教师
  {
    url: '/api/teachers',
    method: 'post',
    timeout,
    response: ({ body }: any) => {
      const newTeacher = {
        id: `teacher_${teacherList.length + 1}`,
        ...body,
        status: 1,
        createdTime: Mock.Random.datetime('yyyy-MM-dd HH:mm:ss'),
        updatedTime: Mock.Random.datetime('yyyy-MM-dd HH:mm:ss')
      }
      teacherList.unshift(newTeacher)

      return {
        code: SUCCESS_CODE,
        data: newTeacher.id,
        msg: '教师添加成功'
      }
    }
  },

  // 获取教师详情
  {
    url: '/api/teachers/:teacherId',
    method: 'get',
    timeout,
    response: ({ query }: any) => {
      const { teacherId } = query
      const teacher = teacherList.find((item) => item.id === teacherId)

      if (teacher) {
        return {
          code: SUCCESS_CODE,
          data: teacher
        }
      } else {
        return {
          code: 404,
          msg: '教师不存在'
        }
      }
    }
  },

  // 编辑教师信息
  {
    url: '/api/teachers/:teacherId',
    method: 'put',
    timeout,
    response: ({ query, body }: any) => {
      const { teacherId } = query
      const index = teacherList.findIndex((item) => item.id === teacherId)

      if (index !== -1) {
        teacherList[index] = {
          ...teacherList[index],
          ...body,
          updatedTime: Mock.Random.datetime('yyyy-MM-dd HH:mm:ss')
        }

        return {
          code: SUCCESS_CODE,
          data: null,
          msg: '教师信息修改成功'
        }
      } else {
        return {
          code: 404,
          msg: '教师不存在'
        }
      }
    }
  },

  // 删除教师
  {
    url: '/api/teachers/:teacherId',
    method: 'delete',
    timeout,
    response: ({ query }: any) => {
      const { teacherId } = query
      const index = teacherList.findIndex((item) => item.id === teacherId)

      if (index !== -1) {
        teacherList.splice(index, 1)

        return {
          code: SUCCESS_CODE,
          data: null,
          msg: '教师删除成功'
        }
      } else {
        return {
          code: 404,
          msg: '教师不存在'
        }
      }
    }
  },

  // 启用教师
  {
    url: '/api/teachers/:teacherId/enable',
    method: 'put',
    timeout,
    response: ({ query }: any) => {
      const { teacherId } = query
      const teacher = teacherList.find((item) => item.id === teacherId)

      if (teacher) {
        teacher.status = 1
        teacher.updatedTime = Mock.Random.datetime('yyyy-MM-dd HH:mm:ss')

        return {
          code: SUCCESS_CODE,
          data: null,
          msg: '教师启用成功'
        }
      } else {
        return {
          code: 404,
          msg: '教师不存在'
        }
      }
    }
  },

  // 禁用教师
  {
    url: '/api/teachers/:teacherId/disable',
    method: 'put',
    timeout,
    response: ({ query }: any) => {
      const { teacherId } = query
      const teacher = teacherList.find((item) => item.id === teacherId)

      if (teacher) {
        teacher.status = 0
        teacher.updatedTime = Mock.Random.datetime('yyyy-MM-dd HH:mm:ss')

        return {
          code: SUCCESS_CODE,
          data: null,
          msg: '教师禁用成功'
        }
      } else {
        return {
          code: 404,
          msg: '教师不存在'
        }
      }
    }
  },

  // Excel批量导入教师
  {
    url: '/api/teachers/import',
    method: 'post',
    timeout: 2000,
    response: () => {
      // 模拟导入结果
      const successCount = Mock.Random.integer(5, 10)
      const failureCount = Mock.Random.integer(0, 3)
      const errors: any[] = []

      // 生成错误明细
      for (let i = 0; i < failureCount; i++) {
        errors.push({
          rowNo: Mock.Random.integer(2, 20),
          errorMsg: Mock.Random.pick([
            '教师工号不能为空',
            '真实姓名不能为空',
            '教师工号已存在',
            '手机号格式不正确'
          ]),
          errorData: `T${Mock.Random.integer(100000, 999999)},${Mock.Random.cname()},计算机学院,1380013800${Mock.Random.integer(0, 9)}`
        })
      }

      return {
        code: SUCCESS_CODE,
        data: {
          success: failureCount === 0,
          totalCount: successCount + failureCount,
          successCount,
          failureCount,
          errors,
          message:
            failureCount === 0
              ? `成功导入 ${successCount} 条教师数据`
              : `导入完成，成功 ${successCount} 条，失败 ${failureCount} 条`
        }
      }
    }
  }
]