import { Assertions, GeneralSteps, Logger, Pipeline, Step, Waiter } from '@ephox/agar';
import { UnitTest } from '@ephox/bedrock';
import { TinyApis, TinyLoader } from '@ephox/mcagar';
import { Class, Css, Element } from '@ephox/sugar';

import VisualBlocksPlugin from 'tinymce/plugins/visualblocks/Plugin';
import ModernTheme from 'tinymce/themes/modern/Theme';

UnitTest.asynctest('browser.tinymce.plugins.visualblocks.PreviewFormatsTest', function () {
  const success = arguments[arguments.length - 2];
  const failure = arguments[arguments.length - 1];

  ModernTheme();
  VisualBlocksPlugin();

  const sWaitForVisualBlocks = function (editor) {
    return Waiter.sTryUntil('Wait background css to be applied to first element', Step.sync(function () {
      const p = Element.fromDom(editor.getBody().firstChild);
      const background = Css.get(p, 'background-image');
      Assertions.assertEq('Paragraph should have a url background', true, background.indexOf('url(') === 0);
    }), 10, 1000);
  };

  TinyLoader.setup(function (editor, onSuccess, onFailure) {
    const tinyApis = TinyApis(editor);

    Pipeline.async({}, [
      Logger.t('Toggle on/off visualblocks and compute previews', GeneralSteps.sequence([
        tinyApis.sExecCommand('mceVisualBlocks'),
        sWaitForVisualBlocks(editor),
        Step.sync(function () {
          Assertions.assertEq('Visual blocks class should exist', true, Class.has(Element.fromDom(editor.getBody()), 'mce-visualblocks'));
          Assertions.assertEq('Should not have a border property', true, editor.formatter.getCssText('h1').indexOf('border:1px dashed') === -1);
        }),
        tinyApis.sExecCommand('mceVisualBlocks'),
        Step.sync(function () {
          Assertions.assertEq('Visual blocks class should not exist', false, Class.has(Element.fromDom(editor.getBody()), 'mce-visualblocks'));
          Assertions.assertEq('Should not have a border property', true, editor.formatter.getCssText('h1').indexOf('border:1px dashed') === -1);
          Assertions.assertEq('Visual blocks class should still not exist', false, Class.has(Element.fromDom(editor.getBody()), 'mce-visualblocks'));
        })
      ]))
    ], onSuccess, onFailure);
  }, {
    plugins: 'visualblocks',
    toolbar: 'visualblocks',
    visualblocks_content_css: '/project/js/tinymce/plugins/visualblocks/css/visualblocks.css',
    skin_url: '/project/js/tinymce/skins/lightgray'
  }, success, failure);
});