/*
Written by [[User:Ravid ziv]] and [[User:ערן]]
*/
mw.hook( 've.activationComplete' ).add(function(){
	importStylesheetURI('//tools.wmflabs.org/eranbot/clippy.css');
	$.getScript('//tools.wmflabs.org/eranbot/clippy.min.js', function(){
		var loadedAgent;
		var weasleWords = [];
		var warningsForWeasleWords = [];
		var WEASLE_WORD_PAGE = mw.config.get('WEASLE_WORD_PAGE') || "Wikipedia:Manual of Style/Words to watch/Config" 
 
		function loadAgent(callback){
			if(loadedAgent) {
				callback(loadedAgent);
			}
			else
			{ 
				clippy.load('Clippy', function(agent) {
					loadedAgent = agent; 
					agent._balloon.CLOSE_BALLOON_DELAY=8000;
					agent.show();
					if ( $('body').hasClass('ltr') ) {
						agent.moveTo(50,50);
					} else {
						agent.moveTo($('#mw-panel').position().left, 50);
					}
					agent._el.dblclick(function(){agent.hide()});
					callback(loadedAgent);
				});
			}
		}
 
		function showWarning(warn, x, y){
			mw.notify(warn);
			/*loadAgent(function(agent) { 
				agent.speak(warn);
				if (x && y) {
					agent.moveTo(x,y);
				}
			});*/
		}	
 
		function loadWeaselWords()
		{
			var api = new mw.Api();
			api.get({
				action:'parse',
				page: WEASLE_WORD_PAGE,
				prop: 'wikitext'
				}).done(function (data) {
					var text = data.parse.wikitext['*'].split('-----')[1]
					var genrealWeasleWords = text.split('\n*');
					for (var i=0;i<genrealWeasleWords.length;i++)
					{
						var splitedweasleWords = genrealWeasleWords[i].split("//");
						if ( splitedweasleWords.length !== 2 ) continue;
						weasleWords.push( new RegExp( splitedweasleWords[0], 'i' ) );
						warningsForWeasleWords.push(splitedweasleWords[1]);
					}
					searchWeasleWarnings( getText().join('\n') );
				});	
		}
 
		function searchWeasleWarnings( text, ignoreWarning ){
			var warnings = [];
			if (text.match(/<ref>(.+)<\/ref>[.,\/#!$%\^&?\*;:{}=\-_`~()]+/g)) {
				warnings.push("" + ": " + "Citations come after punctuation");
			}
			if(text.match(/=+(?:[A-Z]\w* )*(?:[A-Z][\w.]+)=+/g)) {
				mw.notify("Section headings shouldn't be in all caps. Generally only the first word in a heading gets a cap unless the other words are proper names.");
				warnings.push("" + ":" + "Formatting");
			}
			for (var i=0; i<weasleWords.length;i++)
			{
				if ( weasleWords[i].test(text) )
				{
					warnings.push(weasleWords[i].exec(text) + ": " +warningsForWeasleWords[i]);
				}
			}
 
			console.log(warnings);
			if ( warnings.length>0 && !ignoreWarning ) {
				showWarning( warnings.join('\n') );
			}
			return warnings.length>0;
		}
		function extractText(){
			var nodes = [];
			function getTextNodes( obj ) {
				var i;
 
				for ( i = 0; i < obj.children.length; i++ ) {
					if ( obj.children[i].type == 'text'){
						nodes.push(obj.children[i]);
					}
 
					if ( obj.children[i].children ) {
						getTextNodes( obj.children[i] );
					}
				}
			}
			getTextNodes(model.documentModel.getDocumentNode());
			return nodes;
		}
		
		function extractRefs(){
			var nodes = [];
			function getRefNodes( obj ) {
				var i;
 
				for ( i = 0; i < obj.children.length; i++ ) {
					if ( obj.children[i].type == 'mwReference'){
						nodes.push(obj.children[i]);
					}
 
					if ( obj.children[i].children ) {
						getRefNodes( obj.children[i] );
					}
				}
			}
			getRefNodes(model.documentModel.getDocumentNode());
			return nodes;
		}
 
 
		 function getText  (){
			var textNodes = extractText();
			var firstIndex = 0;
			var numReplacements = 0;
			var text = [];
 
			for (var nodeI = 0; nodeI < textNodes.length; nodeI++) {
				var node = textNodes[nodeI];
				var nodeRange = node.getRange();
				var nodeData = model.getFragment( nodeRange ).getData();
				var nodeText = $.map(nodeData, function( e ){ 
						if ( e instanceof Array){ return e[0]; } else { return e; } 
					}).join(''); 
				;
 
				text.push(nodeText);
 
			}
 
			return text;
		};
 
		var view = ve.init.target.getSurface().getView();
		var doc = view.getDocument();
		var model = ve.init.target.getSurface().getModel();
		var cachedNode = null;
		//while editing - only on current node
		model.on( 'documentUpdate', function () {
		try
		{

			var text,
			    selection = model.getSelection(),
			    node = doc.getBranchNodeFromOffset( selection.getRange().start ),
			    textMatches;
			if ( !( node instanceof ve.ce.ContentBranchNode ) ) {
			    return;
			}
			if(text.match(/=+(?:[A-Z]\w* )*(?:[A-Z][\w.]+)=+/g)) {
				mw.notify("Section headings shouldn't be in all caps. Generally only the first word in a heading gets a cap unless the other words are proper names.");
			//	warnings.push("" + ":" + "Formatting");
			}
			var hasWarnings = searchWeasleWarnings( $( node.$element[0] ).text(), $( node.$element[0] ).data( 'weaselWords' ) );
			if (hasWarnings){
				$( node.$element[0] ).data( 'weaselWords', true);
			} else {
				$( node.$element[0] ).data( 'weaselWords', null);
			}
		}
		catch(e){
			//the ve objects are not stable and it will 100% break some day so just ignore errors....
			console.log(e);
		}
		}
		);
 
 
		// loadAgent(function(){})
		loadWeaselWords();
	});
});