/* eslint-env node, es6 */
/* global seleniumUtils, langs */

( function () {
	'use strict';
	var createScreenshotEnvironment = require( './screenshots.js' ).createScreenshotEnvironment,
		test = require( 'selenium-webdriver/testing' );

	function runTests( lang ) {
		var runScreenshotTest = createScreenshotEnvironment( test, lang, function () {
			var done = arguments[ arguments.length - 1 ];

			window.seleniumUtils.runDiffTest = function ( oldHtml, newHtml, done ) {
				var target = ve.init.target,
					surface = target.surface;

				if ( target.saveDialog ) {
					target.saveDialog.clearDiff();
					target.saveDialog.close();
					while ( surface.getModel().canUndo() ) {
						surface.getModel().undo();
					}
				}

				target.originalDmDoc = target.createModelFromDom( target.parseDocument( oldHtml ), 'visual' );

				surface.getModel().getDocument().getStore().merge( target.originalDmDoc.getStore() );

				surface.getModel().getLinearFragment( new ve.Range( 0 ) ).insertDocument(
					target.createModelFromDom( target.parseDocument( newHtml ), 'visual' )
				).collapseToEnd().adjustLinearSelection( 0, 3 ).removeContent();

				target.once( 'saveReview', function () {
					setTimeout( function () {
						var dialog = surface.dialogs.currentWindow;
						dialog.reviewModeButtonSelect.selectItemByData( 'visual' );

						// Fake parsed edit summary
						dialog.$reviewEditSummary.text( '(Lorem ipsum)' );

						done(
							seleniumUtils.getBoundingRect( [
								dialog.$frame[ 0 ]
							] )
						);
					}, 500 );
				} );
				surface.execute( 'mwSaveDialog', 'review' );
			};

			done();
		} );

		test.describe( 'Screenshots: ' + lang, function () {
			test.it( 'Simple diff', function () {
				runScreenshotTest( 'VisualEditor_diff_simple',
					// This function is converted to a string and executed in the browser
					function () {
						var done = arguments[ arguments.length - 1 ];

						seleniumUtils.runDiffTest(
							'<h2>Lorem ipsum</h2>' +
							'<p>Lorem ipsum dolor sit <b>amet</b>, consectetur adipiscing elit.</p>',
							'<h2>Lorem ipsum</h2>' +
							'<p>Lorem ipsum dolor sit <i>amet</i>, consectetur adipiscing elit.</p>',
							done
						);
					}
				);
				runScreenshotTest( 'VisualEditor_diff_move_and_change',
					// This function is converted to a string and executed in the browser
					function () {
						var done = arguments[ arguments.length - 1 ];

						seleniumUtils.runDiffTest(
							'<h2>Lorem ipsum</h2>' +
							'<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p>' +
							'<p>Maecenas fringilla turpis et nunc bibendum mattis.</p>',
							'<h2>Lorem ipsum</h2>' +
							'<p>Maecenas fringilla turpis et nunc bibendum mattis.</p>' +
							'<p>Lorem ipsum dolor sit amat, consectetur adipiscing elit.</p>',
							done
						);
					}
				);
				runScreenshotTest( 'VisualEditor_diff_link_change',
					// This function is converted to a string and executed in the browser
					function () {
						var done = arguments[ arguments.length - 1 ];

						seleniumUtils.runDiffTest(
							'<h2>Lorem ipsum</h2>' +
							'<p><a rel="mw:WikiLink" href="./Lipsum">Lorem ipsum</a> dolor sit amet, consectetur adipiscing elit.</p>',
							'<h2>Lorem ipsum</h2>' +
							'<p><a rel="mw:WikiLink" href="./Lorem ipsum">Lorem ipsum</a> dolor sit amet, consectetur adipiscing elit.</p>',
							done
						);
					}
				);
				runScreenshotTest( 'VisualEditor_diff_list_change',
					// This function is converted to a string and executed in the browser
					function () {
						var done = arguments[ arguments.length - 1 ];

						seleniumUtils.runDiffTest(
							'<ul><li>Lorem</li><li>ipsum</li><li>dolor</li><li>sit</li><li>amet</li></ul>',
							'<ul><li>Lorem</li><li>ipsum</li><li>sit</li><li>amat</li></ul>',
							done
						);
					}
				);
			} );
		} );
	}

	for ( let i = 0, l = langs.length; i < l; i++ ) {
		runTests( langs[ i ] );
	}
}() );