import Mock from 'mockjs'
import { param2Obj, parseTime } from '@/utils'
import dic from './dictionary'

const deptList = Mock.mock({
  'list|26': [{
    'id': '@increment',
    'code': '000@id',
    'name|1': ['教育学院', '经管学院', '人文学院', '数学学院', '计算机学院', '电子学院', '电气学院', '生命科学院'],
    'abbreviation': '@cword(3, 5)',
    'enName': '@word(6, 10)',
    'enable|1': ['启用', '未启用'],
    'classCode|1': ['院系', '部门'],
    'createDate': '@Date'
  }]
}).list

export default{
  getPage: config => {
    const { code, name, enable, classCode, pageIndex = 1, pageSize = 20 } = param2Obj(config.url)
    const mockList = deptList.filter(item => {
      if (code && item.code !== code) return false
      if (name && item.name !== name) return false
      if (enable && item.enable !== enable) return false
      if (classCode && item.classCode !== classCode) return false
      return true
    })

    const pageList = mockList.filter((item, index) => index < pageSize * pageIndex && index >= pageSize * (pageIndex - 1))
    return {
      classCodeList: dic.getDicList({ type: 'classCode' }).items,
      items: pageList,
      recordCount: mockList.length,
      code: 200
    }
  },
  getDeptList: config => {
    const mockList = deptList.filter(item => item.classCode === '院系')
    return {
      items: mockList,
      code: 200
    }
  },
  getSectionList: config => {
    const mockList = deptList.filter(item => item.classCode === '部门')
    return {
      items: mockList,
      code: 200
    }
  },
  getItem: config => {
    const { id } = param2Obj(config.url)
    const mockList = deptList.filter(item => item.id + '' === id + '')
    return {
      data: mockList.length > 0 ? mockList[0] : null,
      code: 200
    }
  },
  createData: config => {
    const dept = JSON.parse(config.body)
    dept.cjsj = parseTime(new Date(), '{y}-{m}-{d}')
    if (!dept.id) {
      dept.id = '' + parseInt(Math.random() * 100) + 1024 // mock a id
      deptList.unshift(dept)
    } else {
      for (let i = 0; i < deptList.length; i++) {
        if (deptList[i].id + '' === dept.id + '') {
          deptList.splice(i, 1, dept)
          break
        }
      }
    }
    return {
      item: dept,
      code: 200
    }
  },
  deleteData: config => {
    const dept = JSON.parse(config.body)
    let index = -1
    for (let i = 0; i < deptList.length; i++) {
      if (deptList[i].id + '' === dept.id + '') {
        index = i
        break
      }
    }
    if (index > -1) {
      deptList.splice(index, 1)
    }
    return {
      code: 200
    }
  }
}