/**
 * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
 * For licensing, see LICENSE.html or http://ckeditor.com/license
 */

CKEDITOR.dialog.add( 'checkspell', function( editor ) {
	var number = CKEDITOR.tools.getNextNumber(),
		iframeId = 'cke_frame_' + number,
		textareaId = 'cke_data_' + number,
		errorBoxId = 'cke_error_' + number,
		interval,
		protocol = document.location.protocol || 'http:',
		errorMsg = editor.lang.wsc.notAvailable;

	var pasteArea =
		'<textarea' +
			' style="display: none"' +
			' id="' + textareaId + '"' +
			' rows="10"' +
			' cols="40">' +
		' </textarea><div' +
			' id="' + errorBoxId + '"' +
			' style="display:none;color:red;font-size:16px;font-weight:bold;padding-top:160px;text-align:center;z-index:11;">' +
		'</div><iframe' +
			' src=""' +
			' style="width:100%;background-color:#f1f1e3;"' +
			' frameborder="0"' +
			' name="' + iframeId + '"' +
			' id="' + iframeId + '"' +
			' allowtransparency="1">' +
		'</iframe>';

	var wscCoreUrl = editor.config.wsc_customLoaderScript || ( protocol + '//loader.webspellchecker.net/sproxy_fck/sproxy.php' + '?plugin=fck2'
		+ '&customerid=' + editor.config.wsc_customerId
		+ '&cmd=script&doc=wsc&schema=22'
	);

	if ( editor.config.wsc_customLoaderScript ) {
		errorMsg += '<p style="color:#000;font-size:11px;font-weight: normal;text-align:center;padding-top:10px">' +
			editor.lang.wsc.errorLoading.replace( /%s/g, editor.config.wsc_customLoaderScript ) + '</p>';
	}

	function burnSpelling( dialog, errorMsg ) {
		var i = 0;
		return function() {
			if ( typeof( window.doSpell ) == 'function' ) {
				//Call from window.setInteval expected at once.
				if ( typeof( interval ) != 'undefined' )
					window.clearInterval( interval );

				initAndSpell( dialog );
			} else if ( i++ == 180 ) // Timeout: 180 * 250ms = 45s.
			window._cancelOnError( errorMsg );
		};
	}

	window._cancelOnError = function( m ) {
		if ( typeof( window.WSC_Error ) == 'undefined' ) {
			CKEDITOR.document.getById( iframeId ).setStyle( 'display', 'none' );
			var errorBox = CKEDITOR.document.getById( errorBoxId );
			errorBox.setStyle( 'display', 'block' );
			errorBox.setHtml( m || editor.lang.wsc.notAvailable );
		}
	};

	function initAndSpell( dialog ) {
		var LangComparer = new window._SP_FCK_LangCompare(),
			// Language abbr standarts comparer.
			pluginPath = CKEDITOR.getUrl( editor.plugins.wsc.path + 'dialogs/' ),
			// Service paths corecting/preparing.
			framesetPath = pluginPath + 'tmpFrameset.html';

		// global var is used in FCK specific core
		// change on equal var used in fckplugin.js
		window.gFCKPluginName = 'wsc';

		LangComparer.setDefaulLangCode( editor.config.defaultLanguage );

		window.doSpell({
			ctrl: textareaId,

			lang: editor.config.wsc_lang || LangComparer.getSPLangCode( editor.langCode ),
			intLang: editor.config.wsc_uiLang || LangComparer.getSPLangCode( editor.langCode ),
			winType: iframeId, // If not defined app will run on winpopup.

			// Callback binding section.
			onCancel: function() {
				dialog.hide();
			},
			onFinish: function( dT ) {
				editor.focus();
				dialog.getParentEditor().setData( dT.value );
				dialog.hide();
			},

			// Some manipulations with client static pages.
			staticFrame: framesetPath,
			framesetPath: framesetPath,
			iframePath: pluginPath + 'ciframe.html',

			// Styles defining.
			schemaURI: pluginPath + 'wsc.css',

			userDictionaryName: editor.config.wsc_userDictionaryName,
			customDictionaryName: editor.config.wsc_customDictionaryIds && editor.config.wsc_customDictionaryIds.split( "," ),
			domainName: editor.config.wsc_domainName

		});

		// Hide user message console (if application was loaded more then after timeout).
		CKEDITOR.document.getById( errorBoxId ).setStyle( 'display', 'none' );
		CKEDITOR.document.getById( iframeId ).setStyle( 'display', 'block' );
	}

	return {
		title: editor.config.wsc_dialogTitle || editor.lang.wsc.title,
		minWidth: 485,
		minHeight: 380,
		buttons: [ CKEDITOR.dialog.cancelButton ],
		onShow: function() {
			var contentArea = this.getContentElement( 'general', 'content' ).getElement();
			contentArea.setHtml( pasteArea );
			contentArea.getChild( 2 ).setStyle( 'height', this._.contentSize.height + 'px' );

			if ( typeof( window.doSpell ) != 'function' ) {
				// Load script.
				CKEDITOR.document.getHead().append( CKEDITOR.document.createElement( 'script', {
					attributes: {
						type: 'text/javascript',
						src: wscCoreUrl
					}
				}));
			}

			var sData = editor.getData(); // Get the data to be checked.

			CKEDITOR.document.getById( textareaId ).setValue( sData );

			interval = window.setInterval( burnSpelling( this, errorMsg ), 250 );
		},
		onHide: function() {
			window.ooo = undefined;
			window.int_framsetLoaded = undefined;
			window.framesetLoaded = undefined;
			window.is_window_opened = false;
		},
		contents: [
			{
			id: 'general',
			label: editor.config.wsc_dialogTitle || editor.lang.wsc.title,
			padding: 0,
			elements: [
				{
				type: 'html',
				id: 'content',
				html: ''
			}
			]
		}
		]
	};
});

// Expand the spell-check frame when dialog resized. (#6829)
CKEDITOR.dialog.on( 'resize', function( evt ) {
	var data = evt.data,
		dialog = data.dialog;

	if ( dialog._.name == 'checkspell' ) {
		var content = dialog.getContentElement( 'general', 'content' ).getElement(),
			iframe = content && content.getChild( 2 );

		iframe && iframe.setSize( 'height', data.height );
		iframe && iframe.setSize( 'width', data.width );
	}
});