/*
 * Copyright 2016 Red Hat Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
'use strict'
/**
 * An utility with the specifics for selenium
 */
const chrome = require('selenium-webdriver/chrome')
const webdriver = require('selenium-webdriver')
const args = require('minimist')(process.argv.slice(2))
const By = webdriver.By
const until = webdriver.until
const driver = createDriver()

function createDriver () {
  chrome.setDefaultService(new chrome.ServiceBuilder(determineChromedriverPath()).build())

  const o = new chrome.Options()
  o.addArguments('disable-infobars')
  o.addArguments('headless')

  if (args.chromeArguments) {
    const chromeArgs = args.chromeArguments.split(' ')
    console.log('Using additional chrome arguments [' + chromeArgs + ']')
    o.addArguments(chromeArgs)
  }

  o.setUserPreferences({ credential_enable_service: false })

  const driver = new webdriver.Builder()
    .setChromeOptions(o)
    .forBrowser('chrome')
    .build()

  driver.getCapabilities().then((caps) => {
    console.log('Chrome browser version: ' + caps.get('version'))
    console.log('Chromedriver version: ' + caps.get('chrome').chromedriverVersion)
  })

  return driver
}

function determineChromedriverPath () {
  let path = args.chromedriverPath || process.env.CHROMEDRIVER_PATH

  if (!path) {
    const chromedriver = require('chromedriver')
    path = chromedriver.path
  }

  console.log('Using chromedriver from path: ' + path)
  return path
}

/* eslint-disable no-unused-vars */
function waitForElement (locator, t) {
  const timeout = t || 3000
  return driver.wait(until.elementLocated(locator), timeout)
}

/* eslint-disable no-unused-vars */
function waitForVisibleElement (locator, t) {
  const timeout = t || 3000
  const element = driver.wait(until.elementLocated(locator), timeout)
  return driver.wait(new webdriver.WebElementCondition('for element to be visible ' + locator, function () {
    return element.isDisplayed().then(x => x ? element : null)
  }), timeout)
}

function ConsolePage () {}

ConsolePage.prototype.get = function (port, resource) {
  resource = resource || ''
  return driver.get(`http://localhost:${port}${resource}`)
}

ConsolePage.prototype.quit = function () {
  driver.manage().deleteAllCookies()
  driver.quit()
}

ConsolePage.prototype.logInButton = function () {
  return driver.findElement(By.xpath("//button[text() = 'Login']"))
}

ConsolePage.prototype.output = function () {
  return driver.findElement(By.id('output'))
}

ConsolePage.prototype.logOutButton = () => {
  return driver.findElement(By.xpath("//button[text() = 'Logout']"))
}

ConsolePage.prototype.events = function () {
  return driver.findElement(By.id('events'))
}

ConsolePage.prototype.print = function () {
  driver.getPageSource().then((page) => {
    console.log(page)
  })
}

ConsolePage.prototype.grantedResourceButton = function () {
  return driver.findElement(By.xpath("//button[text() = 'Granted Resource']"))
}

ConsolePage.prototype.login = function (user, pass) {
  waitForVisibleElement(By.id('username'), 100000)
  const username = driver.findElement(By.id('username'))
  username.clear()
  username.sendKeys(user)

  const password = driver.findElement(By.id('password'))
  password.clear()
  password.sendKeys(pass)

  return driver.findElement(By.name('login')).then(webElement => webElement.click())
}

/**
 * Logouts directly with support for a wait period
 *
 * @param port
 * @returns {Promise<any>}
 */
ConsolePage.prototype.logout = function (port) {
  this.get(port, '/logout')
  return new Promise((resolve, reject) => {
    setTimeout(() => {
      resolve()
    }, 2000)
  })
}

/**
 * Confirmation of the logout screen
 */
ConsolePage.prototype.logoutConfirm = function () {
  waitForVisibleElement(By.id('kc-logout'), 100000)
  return driver.findElement(By.id('kc-logout')).then(webElement => webElement.click())
}

ConsolePage.prototype.body = () => {
  return driver.findElement(By.tagName('pre'))
}

ConsolePage.prototype.h1 = () => {
  return driver.findElement(By.tagName('h1'))
}

const newPage = new ConsolePage()

function RealmAccountPage () {}

RealmAccountPage.prototype.get = function (port, realm) {
  return driver.get(this.getUrl(port, realm))
}

RealmAccountPage.prototype.getUrl = function (port, realm) {
  port = port || '8080'
  realm = realm || 'test-realm'

  return `http://127.0.0.1:${port}/realms/${realm}/account`
}

RealmAccountPage.prototype.logout = function () {
  return driver.findElement(By.linkText('Sign out')).then(webElement => webElement.click())
}

const realmAccountPage = new RealmAccountPage()

module.exports = {
  driver,
  webdriver,
  newPage,
  realmAccountPage
}
