const assert = require('assert')
const childProcess = require('child_process')
const http = require('http')
const multiparty = require('multiparty')
const path = require('path')
const temp = require('temp').track()
const url = require('url')
const {closeWindow} = require('./window-helpers')

const {remote} = require('electron')
const {app, BrowserWindow, crashReporter} = remote.require('electron')

describe('crashReporter module', function () {
  var fixtures = path.resolve(__dirname, 'fixtures')
  var w = null
  var originalTempDirectory = null
  var tempDirectory = null

  beforeEach(function () {
    w = new BrowserWindow({
      show: false
    })
    tempDirectory = temp.mkdirSync('electronCrashReporterSpec-')
    originalTempDirectory = app.getPath('temp')
    app.setPath('temp', tempDirectory)
  })

  afterEach(function () {
    app.setPath('temp', originalTempDirectory)
    return closeWindow(w).then(function () { w = null })
  })

  if (process.mas) {
    return
  }

  it('should send minidump when renderer crashes', function (done) {
    if (process.env.APPVEYOR === 'True') return done()
    if (process.env.TRAVIS === 'true') return done()

    this.timeout(120000)

    startServer({
      callback (port) {
        const crashUrl = url.format({
          protocol: 'file',
          pathname: path.join(fixtures, 'api', 'crash.html'),
          search: '?port=' + port
        })
        w.loadURL(crashUrl)
      },
      processType: 'renderer',
      done: done
    })
  })

  it('should send minidump when node processes crash', function (done) {
    if (process.env.APPVEYOR === 'True') return done()
    if (process.env.TRAVIS === 'true') return done()

    this.timeout(120000)

    startServer({
      callback (port) {
        const crashesDir = path.join(app.getPath('temp'), `${app.getName()} Crashes`)
        const version = app.getVersion()
        const crashPath = path.join(fixtures, 'module', 'crash.js')
        childProcess.fork(crashPath, [port, version, crashesDir], {silent: true})
      },
      processType: 'browser',
      done: done
    })
  })

  it('should send minidump with updated extra parameters', function (done) {
    if (process.env.APPVEYOR === 'True') return done()
    if (process.env.TRAVIS === 'true') return done()

    this.timeout(10000)

    startServer({
      callback (port) {
        const crashUrl = url.format({
          protocol: 'file',
          pathname: path.join(fixtures, 'api', 'crash-restart.html'),
          search: '?port=' + port
        })
        w.loadURL(crashUrl)
      },
      processType: 'renderer',
      done: done
    })
  })

  describe('.start(options)', function () {
    it('requires that the companyName and submitURL options be specified', function () {
      assert.throws(function () {
        crashReporter.start({
          companyName: 'Missing submitURL'
        })
      }, /submitURL is a required option to crashReporter\.start/)
      assert.throws(function () {
        crashReporter.start({
          submitURL: 'Missing companyName'
        })
      }, /companyName is a required option to crashReporter\.start/)
    })

    it('can be called multiple times', function () {
      assert.doesNotThrow(function () {
        crashReporter.start({
          companyName: 'Umbrella Corporation',
          submitURL: 'http://127.0.0.1/crashes'
        })

        crashReporter.start({
          companyName: 'Umbrella Corporation 2',
          submitURL: 'http://127.0.0.1/more-crashes'
        })
      })
    })
  })

  describe('.get/setUploadToServer', function () {
    it('throws an error when called from the renderer process', function () {
      assert.throws(() => require('electron').crashReporter.getUploadToServer())
    })

    it('can be read/set from the main process', function () {
      if (process.platform === 'darwin') {
        crashReporter.start({
          companyName: 'Umbrella Corporation',
          submitURL: 'http://127.0.0.1/crashes',
          uploadToServer: true
        })
        assert.equal(crashReporter.getUploadToServer(), true)
        crashReporter.setUploadToServer(false)
        assert.equal(crashReporter.getUploadToServer(), false)
      } else {
        assert.equal(crashReporter.getUploadToServer(), true)
      }
    })
  })
})

const waitForCrashReport = () => {
  return new Promise((resolve, reject) => {
    let times = 0
    const checkForReport = () => {
      if (crashReporter.getLastCrashReport() != null) {
        resolve()
      } else if (times >= 10) {
        reject(new Error('No crash report available'))
      } else {
        times++
        setTimeout(checkForReport, 100)
      }
    }
    checkForReport()
  })
}

const startServer = ({callback, processType, done}) => {
  var called = false
  var server = http.createServer((req, res) => {
    server.close()
    var form = new multiparty.Form()
    form.parse(req, (error, fields) => {
      if (error) throw error
      if (called) return
      called = true
      assert.equal(fields.prod, 'Electron')
      assert.equal(fields.ver, process.versions.electron)
      assert.equal(fields.process_type, processType)
      assert.equal(fields.platform, process.platform)
      assert.equal(fields.extra1, 'extra1')
      assert.equal(fields.extra2, 'extra2')
      assert.equal(fields.extra3, undefined)
      assert.equal(fields._productName, 'Zombies')
      assert.equal(fields._companyName, 'Umbrella Corporation')
      assert.equal(fields._version, app.getVersion())

      const reportId = 'abc-123-def-456-abc-789-abc-123-abcd'
      res.end(reportId, () => {
        waitForCrashReport().then(() => {
          assert.equal(crashReporter.getLastCrashReport().id, reportId)
          assert.notEqual(crashReporter.getUploadedReports().length, 0)
          assert.equal(crashReporter.getUploadedReports()[0].id, reportId)
          req.socket.destroy()
          done()
        }, done)
      })
    })
  })
  let {port} = remote.process
  server.listen(port, '127.0.0.1', () => {
    port = server.address().port
    remote.process.port = port
    if (process.platform === 'darwin') {
      crashReporter.start({
        companyName: 'Umbrella Corporation',
        submitURL: 'http://127.0.0.1:' + port
      })
    }
    callback(port)
  })
}