module.exports = function () {
	var done = arguments[ arguments.length - 1 ];

	window.seleniumUtils = {
		getBoundingRect: function ( elements ) {
			var i, l, rect, boundingRect;
			for ( i = 0, l = elements.length; i < l; i++ ) {
				rect = elements[ i ].getBoundingClientRect();
				if ( !boundingRect ) {
					boundingRect = {
						left: rect.left,
						top: rect.top,
						right: rect.right,
						bottom: rect.bottom
					};
				} else {
					boundingRect.left = Math.min( boundingRect.left, rect.left );
					boundingRect.top = Math.min( boundingRect.top, rect.top );
					boundingRect.right = Math.max( boundingRect.right, rect.right );
					boundingRect.bottom = Math.max( boundingRect.bottom, rect.bottom );
				}
			}
			if ( boundingRect ) {
				boundingRect.width = boundingRect.right - boundingRect.left;
				boundingRect.height = boundingRect.bottom - boundingRect.top;
			}
			return boundingRect;
		},
		collapseToolbar: function () {
			ve.init.target.toolbar.items.forEach( function ( group ) {
				if ( group.setActive ) {
					group.setActive( false );
				}
			} );
			ve.init.target.actionsToolbar.items.forEach( function ( group ) {
				if ( group.setActive ) {
					group.setActive( false );
				}
			} );
		},
		runMenuTask: function ( done, tool, expanded, highlight, extraElements ) {
			var toolGroup = tool.toolGroup;

			seleniumUtils.collapseToolbar();
			toolGroup.setActive( true );
			if ( toolGroup.updateCollapsibleState ) {
				toolGroup.expanded = !!expanded;
				toolGroup.updateCollapsibleState();
			}

			if ( highlight ) {
				tool.$link[ 0 ].focus();
			}

			setTimeout( function () {
				done(
					seleniumUtils.getBoundingRect( [
						toolGroup.$element[ 0 ],
						toolGroup.$group[ 0 ]
					].concat( extraElements || [] ) )
				);
			} );
		},
		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.constructor.static.createModelFromDom( target.constructor.static.parseDocument( oldHtml ), 'visual' );

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

			surface.getModel().getLinearFragment( new ve.Range( 0 ) ).insertDocument(
				target.constructor.static.createModelFromDom( target.constructor.static.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.$previewEditSummary.text( '(Lorem ipsum)' );

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

	// Suppress welcome dialog
	mw.storage.set( 've-beta-welcome-dialog', 1 );
	// Suppress user education indicators
	mw.storage.set( 've-hideusered', 1 );
	mw.hook( 've.activationComplete' ).add( function () {
		var target = ve.init.target,
			surfaceView = target.getSurface().getView();
		// Modify the document to make the save button blue
		// Wait for focus
		surfaceView.once( 'focus', function () {
			target.surface.getModel().getFragment().insertContent( ' ' ).collapseToStart().select();
			// Hide edit notices
			target.actionsToolbar.tools.notices.getPopup().toggle( false );
			// Wait for save button fade
			setTimeout( function () {
				done( { width: window.innerWidth, height: window.innerHeight } );
			}, 100 );
		} );
	} );
};