const { Random } = require('mockjs')
const { getDB, saveDB } = require('../utils')
const db = getDB('program')

function save () {
  saveDB('program', db)
}

module.exports = [
  {
    url: '/item/listByPage',
    type: 'post',
    response: config => {
      const { name = '', currentPage = 1, pageCount = 10 } = config.body

      if (currentPage < 1) {
        return {
          success: false,
          errMessage: '参数错误'
        }
      }

      const list = name ? db.filter(item => ~item.name.indexOf(name)) : db

      const start = (currentPage - 1) * pageCount

      return {
        success: true,
        data: list.slice(start, start + pageCount),
        totalCount: list.length
      }
    }
  },
  {
    url: '/item/getById/:id',
    type: 'get',
    response: config => {
      const { id } = config.params

      const program = db.find(item => item.id === id)

      if (!program) {
        return {
          success: false,
          errMessage: '节目不存在'
        }
      }

      return {
        success: true,
        data: program
      }
    }
  },
  {
    url: '/item/add',
    type: 'post',
    response: config => {
      const { name, resolutionRatio } = config.body

      const layout = {
        id: Random.id(),
        name,
        resolutionRatio,
        createTime: Random.now('yyyy-MM-dd HH:mm:ss')
      }

      db.unshift(layout)
      save()

      return {
        success: true,
        data: layout.id
      }
    }
  },
  {
    url: '/item/delete',
    type: 'get',
    response: config => {
      const { id } = config.query

      const index = db.findIndex(item => item.id === id)

      if (~index) {
        db.splice(index, 1)
        save()
      }

      return {
        success: true
      }
    }
  },
  {
    url: '/item/update',
    type: 'post',
    response: config => {
      const { id, itemJsonStr } = config.body

      const index = db.findIndex(item => item.id === id)

      if (~index) {
        db[index].itemJsonStr = itemJsonStr
        db.unshift(db.splice(index, 1)[0])
        save()
      }

      return {
        success: true
      }
    }
  }
]