const qs = require('qs')
const Mock = require('mockjs')
const Watch = require("watchjs")
import mockStorge from '../src/utils/mockStorge'

let dataKey = mockStorge('UsersList',Mock.mock({
  'data|100': [
    {
      'id|+1': 1,
      name: '@cname',
      nickName: '@last',
      phone: /^1[34578]\d{9}$/,
      'age|11-99': 1,
      address: '@county(true)',
      isMale: '@boolean',
      email: '@email',
      createTime: '@datetime',
      avatar: function(){
        return Mock.Random.image('100x100', Mock.Random.color(),"#757575",'png',this.nickName.substr(0,1))
      }
    }
  ],
  page: {
    total: 100,
    current: 1
  }
}))

let usersListData = global[dataKey]

module.exports = {

  'GET /api/users' (req, res) {
    const page = qs.parse(req.query)
    const pageSize = page.pageSize || 20
    const currentPage = page.page || 1

    let data
    let newPage

    let newData = usersListData.data.concat()

    if (page.field) {
      const d = newData.filter(function (item) {
        return item[page.field].indexOf(decodeURI(page.keyword)) > -1
      })

      data = d.slice((currentPage - 1) * pageSize, currentPage * pageSize)

      newPage = {
        current: currentPage * 1,
        total: d.length
      }
    } else {
      data = usersListData.data.slice((currentPage - 1) * pageSize, currentPage * pageSize)
      usersListData.page.current = currentPage * 1
      newPage = {
        current: usersListData.page.current,
        total: usersListData.page.total
      }
    }
    res.json({success: true, data, page: newPage})
  },

  'POST /api/users' (req, res) {
    const newData = req.body
    newData.createTime=Mock.mock('@now')
    newData.avatar=Mock.Random.image('100x100', Mock.Random.color(),"#757575",'png',newData.nickName.substr(0,1))

    newData.id = usersListData.data.length + 1
    usersListData.data.unshift(newData)

    usersListData.page.total = usersListData.data.length
    usersListData.page.current = 1

    // global.usersListData = usersListData
    global[dataKey] = usersListData

    res.json({success: true, data: usersListData.data, page: usersListData.page})
  },

  'DELETE /api/users' (req, res) {
    const deleteItem = req.body

    usersListData.data = usersListData.data.filter(function (item) {
      if (item.id == deleteItem.id) {
        return false
      }
      return true
    })

    usersListData.page.total = usersListData.data.length

    // global.usersListData = usersListData
    global[dataKey] = usersListData

    res.json({success: true, data: usersListData.data, page: usersListData.page})
  },

  'PUT /api/users' (req, res) {
    const editItem = req.body

    editItem.createTime=Mock.mock('@now')
    editItem.avatar=Mock.Random.image('100x100', Mock.Random.color(),"#757575",'png',editItem.nickName.substr(0,1))

    usersListData.data = usersListData.data.map(function (item) {
      if (item.id == editItem.id) {
        return editItem
      }
      return item
    })

    // global.usersListData = usersListData
    global[dataKey] = usersListData
    res.json({success: true, data: usersListData.data, page: usersListData.page})
  }

}