'use strict'

/**
 * 读取注册表获取纵横软件
 *
 * @author EllisRan.
 * @date 2018/6/20
 * @version
 */
import db from '../../database'
const fs = require('fs')
const fse = require('fs-extra')
const path = require('path')
const ffi = require('ffi')
const electron = require('electron')
const ipcMain = electron.ipcMain
const regeditPath64 = 'HKLM\\SOFTWARE\\WOW6432Node\\Microsoft\\Windows\\CurrentVersion\\Uninstall'
const regeditPath32 = 'HKLM\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall'
const regeditPath = isOSWin64() ? regeditPath64 : regeditPath32
const regedit = require('regedit')
let globalNUM = 0
let globalSoftware = []
let globalExe = []

const updateInstall = function (win) {
  ipcMain.on('updateInstall', function () {
    regedit.list(regeditPath).on('data', async function (result) {
      try {
        // let flag = false
        // 每次自动获取更新软件内容先让数据库isshow都为false，然后再执行getExeDataList方法里把isshow包含的变true，
        // 最后再检测把还是false的软件进行判断文件夹和软件是否还在，有则保留，否则删除，完成已删除软件功能（手动添加的exe信息除外）
        await productAndExeDataIsshow()
        let softwarelist = result.data.keys
        let promiseArr = []
        let promiseArr2 = []
        for (let i in softwarelist) {
          if (softwarelist[i].indexOf('SmartCost_') !== -1) {
            promiseArr2.push(getExeDataList(softwarelist[i]))
          }
        }
        await sleep(2000)
        await Promise.all(promiseArr2)
          .then(async function (result) {
            await sleep(5000)
            if (globalSoftware !== []) {
              console.log(globalSoftware)
              for (let i in globalSoftware) {
                (async function () {
                  globalSoftware[i].exeName = globalExe[i]
                  await promiseArr.push(insertData(globalSoftware[i]))
                })(i)
              }
            }
            let one = globalSoftware.length
            console.log(one)
            await sleep(2000)
            let two = globalSoftware.length
            console.log(two)
            if (one !== two) {
              console.log(globalSoftware)
            }
            await Promise.all(promiseArr)
              .then(async function (result) {
                // console.log(globalSoftware)
                let delnum = await delProductAndExeDataAsync()
                await db.read().set('sc_hadInstall.first', false).write()
                let exeInfo = await db.read().get('sc_exeData').last().value()
                let gourl = exeInfo === '{}' || exeInfo.pid === undefined ? 1 : exeInfo.pid
                await db.read().set('sc_hadInstall.url', '/softwarestartup/' + gourl).write()
                if (promiseArr !== undefined && promiseArr.length !== 0) {
                  win.webContents.send('successUpdate', {id: gourl, num: globalNUM, delnum: delnum})
                  // console.log(globalSoftware)
                } else {
                  win.webContents.send('failedUpdate', {id: '1', error: 200})
                }
                globalNUM = 0
                globalSoftware = []
                globalExe = []
              })
              .catch(function (err) {
                win.webContents.send('failedUpdate', {id: '1', error: err})
                console.log(err)
                globalNUM = 0
                globalSoftware = []
                globalExe = []
              })
          })
          .catch(function (err) {
            console.log(err)
          })
      } catch (error) {
        console.log(error)
      }
    })
  })

  /**
   *  make all data isshow: true=>false
   */
  async function productAndExeDataIsshow () {
    await db.read().get('sc_productData').updateWhere({ isshow: true }, { isshow: false }).write()
    await db.read().get('sc_exeData').updateWhere({ auto: true, isshow: true }, { isshow: false }).write()
  }

  /**
   *  delete data by isshow=false
   *   @return {int}
   */
  async function delProductAndExeDataAsync () {
    // 这里必须静止1s等Promise.all里的getExeDataList方法所有获取执行完才可以获取正确的num，原因不明......
    await sleep(1000)
    let num = await db.read().get('sc_exeData').filter({ auto: true, isshow: false }).size().value()
    // 先让默认的“未分类” isshow：true，免于被删除，当不存在手动添加的软件或自动检测软件的时候，暂时隐藏“未分类”,
    // 当启动器不存在任何软件时，默认显示“未分类”
    // let manualnum = db.read().get('sc_exeData').filter({ auto: false }).size().value()
    // let flag = db.read().get('sc_productData').getById('1').value().isshow
    // if (!flag) {
    //   db.read().get('sc_productData').updateById('1', { isshow: true }).write()
    // }
    // db.read().get('sc_productData').removeWhere({ isshow: false }).write()
    // let allnum = db.read().get('sc_exeData').size().value()
    // if (manualnum === 0 && !flag && allnum !== 0) {
    //   db.read().get('sc_productData').updateById('1', { isshow: false }).write()
    // }
    // 对还是isshow：false的软件进行文件夹文件查询，如果还在则保留，不存在则删除
    if (num !== 0) {
      let deleteExeData = await db.read().get('sc_exeData').filter({ auto: true, isshow: false }).value()
      for (let exe in deleteExeData) {
        let exePath = path.join(exe.path, exe.exeName)
        let existExe = await db.read().get('sc_exeData').find({ path: exe.path, exeName: exe.exeName, isshow: true }).value()
        if (fse.pathExistsSync(exePath) && !existExe) {
          db.read().get('sc_exeData').updateById(exe.id, { isshow: true }).write()
        }
      }
    }
    db.read().get('sc_exeData').removeWhere({ auto: true, isshow: false }).write()
    return num
  }

  const sleep = (timeout = 2000) => new Promise(resolve => {
    setTimeout(resolve, timeout)
  })

  // 取文件名不带后缀
  function GetFileNameNoExt (filepath) {
    if (filepath !== '') {
      let names = filepath.split('\\')
      let pos = names[names.length - 1].lastIndexOf('.')
      return names[names.length - 1].substring(0, pos)
    }
  }

  // 产生随机数函数
  function RndNum (n) {
    let rnd = ''
    for (let i = 0; i < n; i++) {
      rnd += Math.floor(Math.random() * 10)
    }
    return rnd
  }

  /**
   * 判断文件名是否包含纵横软件exe的部分名称
   * @param item
   * @return {boolean}
   */
  function existSoftwareName (item) {
    // 纵横软件exe所带包含的文件名
    const smartcostSoftwareHeader = ['SmartCost', 'Measure', 'DrawingBuilder', 'BillsEditor']
    let flag = false
    for (let i = 0; i < smartcostSoftwareHeader.length; i++) {
      if (item.indexOf(smartcostSoftwareHeader[i]) !== -1) {
        flag = true
        break
      }
    }
    return flag
  }

  function inArray (val, arr) {
    for (let i in arr) {
      if (arr[i] === val) {
        return true
      }
    }
    return false
  }

  /**
   * 数据入库
   *
   */
  function insertData (exeData) {
    return new Promise(resolve => {
      let pathstr = path.join('data/fileInfo.dll')
      let libm = ffi.Library(pathstr, {
        'GetFileInfo': ['string', ['string']]
      })
      let fileinfo = JSON.parse(libm.GetFileInfo(path.join(exeData.path, exeData.exeName)))
      exeData.fileVersion = fileinfo.FileVersion
      exeData.productName = fileinfo.ProductName
      exeData.productVersion = fileinfo.ProductVersion
      exeData.fileDescription = fileinfo.FileDescription
      let dbExeData = db.read().get('sc_exeData').find({ exeName: exeData.exeName, path: exeData.path, fileVersion: exeData.fileVersion }).value()
      if (dbExeData === undefined || dbExeData === null) {
        // 先判断是否存在该产品数据库（同时关联到sc_sofeware.json文件数据），再加入安装包数据库
        // 新方法，先关联注册表名查找数据，然后再关联产品数据库生成
        let softwarejson = path.join('data/sc_software.json')
        let downlist = fse.readJsonSync(softwarejson).sc_down
        let downinfo = downlist.find(function (item) {
          return inArray(exeData.regeditName, item.regedits)
        })
        // let ptitle = downinfo !== undefined ? downinfo.product_title : ''
        if (downinfo !== undefined) {
          exeData.simpleName = downinfo.product_title
          exeData.versionName = downinfo.title
          let productInfo = db.read().get('sc_productData').find({ product_id: downinfo.product_id }).value()
          if (productInfo === undefined || productInfo === null) {
            let scproductlist = fse.readJsonSync(softwarejson).sc_product
            let scproductInfo = scproductlist.find(function (item) {
              return item.product_id === downinfo.product_id
            })
            let productInfo2 = scproductInfo
            productInfo2.addtime = Date.parse(new Date()) / 1000
            productInfo2.isshow = true
            let insertproudct = db.read().get('sc_productData').insert(productInfo2).write()
            exeData.pid = insertproudct.id
            productInfo = insertproudct
          } else {
            exeData.pid = productInfo.id
            db.read().get('sc_productData').updateById(productInfo.id, { isshow: true }).write()
          }
          // 获取json文件中的锁号，更新到exe当中
          for (let j in downlist) {
            if (productInfo.product_id === downlist[j].product_id && exeData.versionName === downlist[j].title) {
              exeData.keyNumber = downlist[j].key_number
              exeData.keytype = downlist[j].keytype
              exeData.product_id = downlist[j].product_id
              exeData.down_id = downlist[j].down_id
              exeData.product_version = fileinfo.FileVersion
              exeData.show_tip = fileinfo.FileVesrion !== downlist[j].version && exeData.exeName !== 'BillsEditor.exe'
              exeData.show_updateVersion = downlist[j].version
              break
            }
          }
        } else {
          exeData.pid = '1'
          exeData.simpleName = ''
          exeData.versionName = ''
          exeData.keyNumber = ''
          exeData.keytype = ''
          exeData.product_id = ''
          exeData.down_id = ''
          exeData.product_version = ''
          exeData.show_tip = false
          exeData.show_updateVersion = ''
          db.read().get('sc_productData').updateById('1', { isshow: true }).write()
        }
        exeData.addtime = Date.parse(new Date()) / 1000
        exeData.isshow = true
        exeData.auto = true
        exeData.id = GetFileNameNoExt(exeData.exeName) + '-' + RndNum(10)
        ++globalNUM
        db.read().get('sc_exeData').insert(exeData).write()
      } else {
        db.read().get('sc_productData').updateById(dbExeData.pid, { isshow: true }).write()
        db.read().get('sc_exeData').updateById(dbExeData.id, { isshow: true }).write()
      }
      resolve(exeData)
    })
  }

  /**
   * node 循环和异步解决方案
   * @param Info
   */
  function getExeDataList (Info) {
    return new Promise(resolve => {
    // setTimeout(function () {
      regedit.list(regeditPath + '\\' + Info).on('data', async function (result) {
        let values = result.data.values
        let regeditData = {
          path: values['Inno Setup: App Path'].value,
          name: values['DisplayName'].value,
          regeditName: Info,
          fileName: values['Inno Setup: Icon Group'].value
        }
        let dirname = await fs.readdirSync(regeditData.path)
        for (let i in dirname) {
          if (path.extname(dirname[i]) === '.exe' && existSoftwareName(dirname[i])) {
            let exeData = regeditData
            // exeData.exeName = diraname[i]
            // 这里必须分离2个数组记录值并在外面合并,push才不会出错，否则会重复exeName名，未知bug，坑
            globalSoftware.push(exeData)
            globalExe.push(dirname[i])
          }
        }
      })
      resolve('ok')
    })
  }
}

/**
 * 判断系统位数
 * @return {boolean}
 */
function isOSWin64 () {
  return process.arch === 'x64' || process.env.hasOwnProperty('PROCESSOR_ARCHITEW6432')
}

export default updateInstall