import {browser, element, by, Key, ExpectedConditions} from 'protractor';
import {expectToExist} from '../util/index';
import {screenshot} from '../screenshot';


describe('slide-toggle', () => {
  const getInput = () => element(by.css('#normal-slide-toggle input'));
  const getNormalToggle = () => element(by.css('#normal-slide-toggle'));

  beforeEach(() => browser.get('slide-toggle'));

  it('should render a slide-toggle', () => {
    expectToExist('mat-slide-toggle');
    screenshot();
  });

  it('should change the checked state on click', async () => {
    let inputEl = getInput();

    expect(inputEl.getAttribute('checked')).toBeFalsy('Expect slide-toggle to be unchecked');

    getNormalToggle().click();

    expect(inputEl.getAttribute('checked')).toBeTruthy('Expect slide-toggle to be checked');

    await browser.wait(ExpectedConditions.not(
      ExpectedConditions.presenceOf(element(by.css('div.mat-ripple-element')))));
    screenshot();
  });

  it('should change the checked state on click', async () => {
    let inputEl = getInput();

    expect(inputEl.getAttribute('checked')).toBeFalsy('Expect slide-toggle to be unchecked');

    getNormalToggle().click();

    expect(inputEl.getAttribute('checked')).toBeTruthy('Expect slide-toggle to be checked');
    await browser.wait(ExpectedConditions.not(
      ExpectedConditions.presenceOf(element(by.css('div.mat-ripple-element')))));
    screenshot();
  });

  it('should not change the checked state on click when disabled', async () => {
    let inputEl = getInput();

    expect(inputEl.getAttribute('checked')).toBeFalsy('Expect slide-toggle to be unchecked');

    element(by.css('#disabled-slide-toggle')).click();

    expect(inputEl.getAttribute('checked')).toBeFalsy('Expect slide-toggle to be unchecked');
    await browser.wait(ExpectedConditions.not(
      ExpectedConditions.presenceOf(element(by.css('div.mat-ripple-element')))));
    screenshot();
  });

  it('should move the thumb on state change', async () => {
    let slideToggleEl = getNormalToggle();
    let thumbEl = element(by.css('#normal-slide-toggle .mat-slide-toggle-thumb-container'));
    let previousPosition = await thumbEl.getLocation();

    slideToggleEl.click();

    let position = await thumbEl.getLocation();

    expect(position.x).not.toBe(previousPosition.x);

    await browser.wait(ExpectedConditions.not(
      ExpectedConditions.presenceOf(element(by.css('div.mat-ripple-element')))));
    screenshot();
  });

  it('should toggle the slide-toggle on space key', () => {
    let inputEl = getInput();

    expect(inputEl.getAttribute('checked')).toBeFalsy('Expect slide-toggle to be unchecked');

    inputEl.sendKeys(Key.SPACE);

    expect(inputEl.getAttribute('checked')).toBeTruthy('Expect slide-toggle to be checked');
  });

});