var lsCmtTreeClass = new Class({
	Implements: Options,
	options: {},
	initialize: function(options){
		this.setOptions(options);
		this.aCommentNew=[];
		this.iCurrentShowFormComment=0;
		this.iCommentIdLastView=null;
		this.countNewComment=0;
		this.docScroller = new Fx.Scroll(document.getDocument());
		this.hideCommentForm(this.iCurrentShowFormComment);
	},
	injectComment: function(idCommentParent,idComment,sHtml) {
		var newComment = new Element('div',{'class':'comment', 'id': 'comment_id_'+idComment});
		newComment.set('html',sHtml);
		if (idCommentParent) {
			var divChildren = $('comment-children-'+idCommentParent);
			divChildren.appendChild(newComment);
		} else {
			var divChildren = $('comment-children-0');
			newComment.inject(divChildren,'before');
		}
	},

	responseNewComment: function(idTopic,objImg,selfIdComment,bNotFlushNew) {
		var thisObj=this;

		if (!bNotFlushNew) {
			var aDivComments=$$('.comment');
			aDivComments.each(function(item,index){
				var divContent=item.getChildren('div.content')[0];
				if (divContent) {
					divContent.removeClass('new');
					divContent.removeClass('view');
				}
			});
		}

		var idCommentLast=this.idCommentLast;
		objImg=$(objImg);
		objImg.setProperty('src',DIR_STATIC_SKIN+'/images/update_act.gif');
		(function(){
		JsHttpRequest.query(
        	DIR_WEB_ROOT+'/include/ajax/commentResponse.php',
        	{ idCommentLast: idCommentLast, idTopic: idTopic },
        	function(result, errors) {
        		objImg.setProperty('src',DIR_STATIC_SKIN+'/images/update.gif');
            	if (!result) {
                	msgErrorBox.alert('Error','Please try again later');
        		}
        		if (result.bStateError) {
                	msgErrorBox.alert(result.sMsgTitle,result.sMsg);
        		} else {
        			var aCmt=result.aComments;
        			if (aCmt.length>0 && result.iMaxIdComment) {
        				thisObj.setIdCommentLast(result.iMaxIdComment);
        				var countComments=$('count-comments');
        				countComments.set('text',parseInt(countComments.get('text'))+aCmt.length);
        				if ($('block_stream_comment') && lsBlockStream) {
        					lsBlockStream.toggle($('block_stream_comment'),'comment_stream');
        				}
        			}
        			var iCountOld=0;
        			if (bNotFlushNew) {
        				iCountOld=thisObj.countNewComment;
        			} else {
        				thisObj.aCommentNew=[];
        			}
        			if (selfIdComment) {
        				thisObj.setCountNewComment(aCmt.length-1+iCountOld);
        				thisObj.hideCommentForm(thisObj.iCurrentShowFormComment);
        			} else {
        				thisObj.setCountNewComment(aCmt.length+iCountOld);
        			}
        			aCmt.each(function(item,index) {
        				if (!(selfIdComment && selfIdComment==item.id)) {
        					thisObj.aCommentNew.extend([item.id]);
        				}
        				thisObj.injectComment(item.idParent,item.id,item.html);
        			});

        			if (selfIdComment && $('comment_id_'+selfIdComment)) {
						thisObj.scrollToComment(selfIdComment);
					}
        		}
	        },
        	true
       );
       }).delay(1000);
	},

	setIdCommentLast: function(id) {
		this.idCommentLast=id;
	},

	setCountNewComment: function(count) {
		this.countNewComment=count;
		var divCountNew=$('new-comments');
        if (this.countNewComment>0) {
        	divCountNew.set('text',this.countNewComment);
        	divCountNew.setStyle('display','block');
        } else {
        	this.countNewComment=0;
        	divCountNew.set('text',0);
        	divCountNew.setStyle('display','none');
        }
	},

	goNextComment: function() {
		if (this.aCommentNew[0]) {
			if ($('comment_id_'+this.aCommentNew[0])) {
				this.scrollToComment(this.aCommentNew[0]);
			}
			this.aCommentNew.erase(this.aCommentNew[0]);
		}
		this.setCountNewComment(this.countNewComment-1);
	},

	scrollToComment: function(idComment) {
		this.docScroller.setOptions({
			duration:500,
			offset: {
        		'x': 0,
        		'y': 0
   			}
 		});
 		var cmt=$('comment_content_id_'+idComment);
 		var deltaY=cmt.getDimensions().height/2-window.getSize().y/2;
 		if (deltaY>0) {
 			deltaY=0;
 		}
		this.docScroller.start(0,cmt.getPosition().y+deltaY);
		if (this.iCommentIdLastView) {
			$('comment_content_id_'+this.iCommentIdLastView).removeClass('view');
		}
		$('comment_content_id_'+idComment).addClass('view');
		this.iCommentIdLastView=idComment;
	},

	addComment: function(formObj,topicId) {
		var thisObj=this;
		formObj=$(formObj);
		JsHttpRequest.query(
        	DIR_WEB_ROOT+'/include/ajax/commentAdd.php',
        	{ params: formObj },
        	function(result, errors) {
            	if (!result) {
            		thisObj.enableFormComment();
                	msgErrorBox.alert('Error','Please try again later');
        		}
        		if (result.bStateError) {
					thisObj.enableFormComment();
                	msgErrorBox.alert(result.sMsgTitle,result.sMsg);
        		} else {
        			$('form_comment_text').disabled=true;
        			thisObj.responseNewComment(topicId,$('update-comments'),result.sCommentId,true);
        		}
	        },
        	true
      	);
      	$('form_comment_text').addClass('loader');
	},

	enableFormComment: function() {
		$('form_comment_text').removeClass('loader');
		$('form_comment_text').disabled=false;
	},

	addCommentScroll: function(commentId) {
		this.aCommentNew.extend([commentId]);
		this.setCountNewComment(this.countNewComment+1);
	},

	toggleComment: function(obj,commentId) {
		var divContent=$('comment_content_id_'+commentId);
		if (!divContent) {
			return false;
		}

		var thisObj=this;
		JsHttpRequest.query(
        	DIR_WEB_ROOT+'/include/ajax/commentToggle.php',
        	{ idComment: commentId },
        	function(result, errors) {
            	if (!result) {
                	msgErrorBox.alert('Error','Please try again later');
        		}
        		if (result.bStateError) {
                	msgErrorBox.alert(result.sMsgTitle,result.sMsg);
        		} else {
        			msgNoticeBox.alert(result.sMsgTitle,result.sMsg);
        			divContent.removeClass('old').removeClass('self').removeClass('new').removeClass('del');
        			obj.removeClass('delete').removeClass('repair');
        			if (result.bState) {
        				divContent.addClass('del');
        				obj.addClass('repair');
        			} else {
        				obj.addClass('delete');
        			}
					obj.set('text',result.sTextToggle);
        		}
	        },
        	true
       );
	},

	toggleCommentForm: function(idComment) {
		if (!$('reply_'+this.iCurrentShowFormComment) || !$('reply_'+idComment)) {
			return;
		}
		divCurrentForm=$('reply_'+this.iCurrentShowFormComment);
		divNextForm=$('reply_'+idComment);

		var slideCurrentForm = new Fx.Slide(divCurrentForm);
		var slideNextForm = new Fx.Slide(divNextForm);

		$('comment_preview_'+this.iCurrentShowFormComment).set('html','').setStyle('display','none');
		if (this.iCurrentShowFormComment==idComment) {
			if (this.open) slideCurrentForm.slideOut(); else slideCurrentForm.slideIn().chain(function() {				window.fireEvent('resize');			});
			this.open = !this.open;
			return;
		}

		slideCurrentForm.slideOut();
		divNextForm.set('html',divCurrentForm.get('html'));
		divCurrentForm.set('html','');
		divNextForm.setStyle('display','block');
		slideNextForm.hide();

		slideNextForm.slideIn();
        this.open = true;

		$('form_comment_text').setProperty('value','');
		$('form_comment_reply').setProperty('value',idComment);
		this.iCurrentShowFormComment=idComment;
	},

	hideCommentForm: function(idComment) {
		if ($('reply_'+idComment)) {
			this.enableFormComment();
			$('comment_preview_'+this.iCurrentShowFormComment).set('html','').setStyle('display','none');
			var slideForm = new Fx.Slide('reply_'+idComment);
			slideForm.hide().chain(function() { window.fireEvent('resize'); });
		}
	},

	preview: function() {
		ajaxTextPreview('form_comment_text',false,'comment_preview_'+this.iCurrentShowFormComment);
	},

	goToParentComment: function(obj) {
		var idCmt = obj.href.substr(obj.href.indexOf('#')+8);
		var objCmtParent=$('comment_id_'+idCmt);
		var objCmt=obj.getParent('div.comment');
		objCmtParent.getElement('.goto-comment-child').removeClass('hidden');
		objCmtParent.getElement('.goto-comment-child a').href = '#comment' + objCmt.id.substr(11);
		this.docScroller.setOptions({
			offset: {'y': 0}
 		});
		this.docScroller.toElement(objCmtParent);
		return false;
	},

	goToChildComment: function(obj) {
		var idCmt = obj.href.substr(obj.href.indexOf('#')+8);
		var objCmtChild=$('comment_id_'+idCmt);
		var objCmt=obj.getParent('div.comment');
		objCmt.getElement('.goto-comment-child').addClass('hidden');
		this.docScroller.setOptions({
			offset: {'y': 0}
 		});
		this.docScroller.toElement(objCmtChild);
		return false;
	}
});


var lsCmtTree;
window.addEvent('domready', function() {
    lsCmtTree = new lsCmtTreeClass();
});