var arrMsgBuffer = new Array();
var msgTime=1000;
var msg_timer;
var iMsgLastUpdateId=0;
var strMsgDocList="";
var msg_curr_show_content_id = "";
var msg_curr_show_content_type = "";
var msg_my_id="sys_message";
/*
初始化消息模块
msgInitId：上次消息的最大id
*/
function msg_init(msgInitId,time=3){
	iMsgLastUpdateId=msgInitId;
	msgTime=time*1000;
}

function msg_start(){
	msg_send();
}
function msg_stop(){
	clearTimeout(msg_timer)
}

function msg_push(type,data,docid,time,book=0,paragraph=0){
/*
data.type
data.data
data.doc
*/	
	var newMessage={
		type:type,
		data:data,
		docid:docid,
		time:time,
		book:book,
		para:paragraph
	};
	arrMsgBuffer.push(newMessage);
	
	var obj = new Object();
	obj.id=0;
	obj.sender=getCookie("username");
	obj.type=newMessage.type;
	obj.docid=newMessage.docid;
	obj.time=newMessage.time/5000;
	obj.read=1;
	obj.data=JSON.parse(newMessage.data);
	//doc_msg_push(obj);
	msg_show_content(msg_curr_show_content_type,msg_curr_show_content_id);
}
function msg_reload(){
iMsgLastUpdateId=1;
}
function msg_send(){
	$("#net_up").html("▲");
	if(arrMsgBuffer.length>0){
		var operation="send";
	}
	else{
		var operation="get";
	}
	
	$.post("message.php",
	{
		op:operation,
		lastid:iMsgLastUpdateId,
		doclist:strMsgDocList,
		data:JSON.stringify(arrMsgBuffer)
	},
	function(data,status){
		let xmlText = data;
		console.log("receive mseeage:"+data);
		let msgXml;
		if (window.DOMParser){
			  parser=new DOMParser();
			  msgXml=parser.parseFromString(xmlText,"text/xml");
		}
		else{ // Internet Explorer
		
			  msgXml=new ActiveXObject("Microsoft.XMLDOM");
			  msgXml.async="false";
			  msgXml.loadXML(xmlText);
		}
		  
		if (msgXml == null){
				alert("error:can not load Project. xml obj is null.");
				return;
		}
		let arrMsg = msgXml.getElementsByTagName("msg");
		var arrWordNewMsg=new Array();
		
		for(var x=0;x<arrMsg.length;x++){
			switch(getNodeText(arrMsg[x],"type")){
				case "maxid":
					iMsgLastUpdateId=getNodeText(arrMsg[x],"data");
					doc_head("msg_db_max_id",iMsgLastUpdateId);
					console.log("iMsgLastUpdateId:"+iMsgLastUpdateId);
				break;	
				default:
					
					if(gXmlBookDataMsg){
						var obj = new Object();
						obj.id=getNodeText(arrMsg[x],"id");
						obj.sender=getNodeText(arrMsg[x],"sender");
						obj.type=getNodeText(arrMsg[x],"type");
						obj.docid=getNodeText(arrMsg[x],"docid");
						obj.time=getNodeText(arrMsg[x],"time");
						obj.read=getNodeText(arrMsg[x],"read");
						let objData=getNodeText(arrMsg[x],"data");
						try{
							obj.data=JSON.parse(objData);
						}
						catch(e){
							obj.data=null;
							console.error("err:message.js-msg_send"+e+"data:"+objData);
							break;
						}
						//尝试用此消息更新文档数据
						if(msg_apply_data(obj)){
							//如果已经使用此消息，xml标记为已读
							setNodeText(arrMsg[x],"read","2");
						}
						doc_msg_push(obj);
						msg_show_content(msg_curr_show_content_type,msg_curr_show_content_id);

						switch(obj.type){
							case 1: //wbw
								var iFind=false;
								for(var iWordId=0;iWordId<arrWordNewMsg.length;iWordId++){
									if(arrWordNewMsg[iWordId]==obj.data.id){
										iFind=true;
										break;
									}
								}
								if(!iFind){
									arrWordNewMsg.push(obj.data.id);
								}
								break;
							case 2:
							break;
						}
						gXmlBookDataMsg.appendChild(arrMsg[x].cloneNode(true));
					}
				break;
			}
		}

		for(let i=0;i<arrWordNewMsg.length;i++){
			updataWordHeadById(arrWordNewMsg[i]);
		}
		refreshNoteNumber();
		msg_set_tool_bar_msg_counter();
		msg_update_msg_list();
		$("#net_down").html(" ");

	});	
	
	$("#net_up").html(" ");
	$("#net_down").html("▼");
	
	arrMsgBuffer = new Array();

	msg_timer=setTimeout("msg_send()",msgTime)
}
function msg_new_msg_id_push(){

}

function msg_stop(){

}

function msg_read(msg_obj,status=null){

	if(msg_obj){
		if(status){
			var oldStatus=msg_obj.read;
			msg_obj.read=status;
			var xMsg=gXmlBookDataMsg.getElementsByTagName("msg");
			for(var i=0;i<xMsg.length;i++){
				if(getNodeText(xMsg[i],"id")==msg_obj.id){
					setNodeText(xMsg[i],"read",status);
					break;
				}
			}
			return(oldStatus);
		}
		else{
			return(msg_obj.read);

		}
	}

}

//将消息数据应用(apply)到文档
function msg_apply_data(obj){
	doc_info.sendmsg = false;//不发送消息
	try{
		switch(obj.type){
			case "1"://逐词译
				let wIndex=getWordIndex(obj.data.id)
				if(wIndex>=0){
					let xAllWord = gXmlBookDataBody.getElementsByTagName("word");
					let xWord=xAllWord[wIndex];
					let sReal = getNodeText(xWord,"real");
					let wordStatus=editor_word_status(xWord);
					let wordBodyChange=false;
					let wordHeadChange=false;
					let wordNoteChange=false;
					let wordRelationChange=false;
					let newWord = new Object();
					newWord.real = sReal;
					newWord.vaild=false;
					if((wordStatus!=7 && wordStatus!=5) || obj.sender==getCookie("username"))
					{
						msg_read(obj,2);
						if(obj.data.real!=null && obj.data.real!=""){
							//setNodeText(xWord,"real",obj.data.real);
							//newWord.real = obj.data.real;
							//wordHeadChange=true;
						}				
						if(obj.data.pali!=null){
							//setNodeText(xWord,"pali",obj.data.pali);
							//wordHeadChange=true;
						}
						if(obj.data.mean!=null){
							setNodeText(xWord,"mean",obj.data.mean);
							newWord.mean = obj.data.mean;
							newWord.vaild=true;
							wordBodyChange=true;
						}
						if(obj.data.org!=null){
							setNodeText(xWord,"org",obj.data.org);
							newWord.parts = obj.data.org;
							newWord.vaild=true;
							wordBodyChange=true;
						}
						if(obj.data.om!=null){
							setNodeText(xWord,"om",obj.data.om);
							newWord.partmean = obj.data.om;
							newWord.vaild=true;
							wordBodyChange=true;
						}
						if(obj.data.case!=null){
							setNodeText(xWord,"case",obj.data.case);
							newWord.case = obj.data.case;
							newWord.vaild=true;
							wordBodyChange=true;
						}
						if(obj.data.parent!=null){
							setNodeText(xWord,"parent",obj.data.parent);
						}
						if(obj.data.note!=null){
							setNodeText(xWord,"note",obj.data.note);
							wordNoteChange=true;
						}
						if(obj.data.rela!=null){
							//setNodeText(xWord,"rela",decodeURI(obj.data.rela));
							setNodeText(xWord,"rela",obj.data.rela);
							wordRelationChange=true;
						}
						if(obj.data.bmc!=null){
							setNodeText(xWord,"bmc",obj.data.bmc);
							wordBodyChange=true;
						}
						if(obj.data.bmt!=null){
							setNodeText(xWord,"bmt",obj.data.bmt);
						}
						if(obj.data.lock!=null){
							setNodeText(xWord,"lock",obj.data.lock);
							wordBodyChange=true;
						}
						editor_word_status(xAllWord[wIndex],6);
					}
					if(wordHeadChange){
						updataWordHeadByIndex(wIndex);
					}
					if(wordBodyChange){
						modifyWordDetailByWordIndex(wIndex);
					}
					if(wordNoteChange ||wordRelationChange){
						//updateWordNote(xWord);
						refreshWordNoteDiv(xWord.parentNode.parentNode);
					}

					
					if(newWord.vaild){
						if(!mDict[sReal]){
							mDict[sReal] = new Array();
						}
						let isExsit=false;
						for(let x in mDict[sReal]){
							if(mDict[sReal].mean && mDict[sReal].mean==newWord.mean &&
							mDict[sReal].parts && mDict[sReal].parts==newWord.parts &&
							mDict[sReal].partmean && mDict[sReal].mean==newWord.partmean &&
							mDict[sReal].case && mDict[sReal].case==newWord.case ){
								isExsit = true;
							}
						}
						if(!isExsit){
							mDict[sReal].push(newWord);
						}
					}
				}
			break;
			case "2"://译文
				let tranBlock = doc_tran("#"+obj.data.id);
				if(tranBlock==null){
					tranBlock = doc_tran("#"+obj.data.id,true);
				}
				if(tranBlock){
					//if(tranBlock.text(obj.data.begin,obj.data.end,"status")!=7 )
					{
						msg_read(obj,2);//设置为自动采纳
						console.log("句子 自动采纳");
						tranBlock.text(obj.data.begin,obj.data.end,"text",obj.data.text);
						tranBlock.text(obj.data.begin,obj.data.end,"status",5);
						sen_save(obj.data.id,obj.data.begin,obj.data.end,obj.data.text);
					}					
				}

			break;
		}
	}
	catch(e){
		console.error(e.message);
		console.error(e.stack);
	}
	doc_info.sendmsg=true;//发送消息
	
	if(obj.read>0){
		return(true);
	}
	else{
		return(false);
	}
	

}

function msg_word_msg_num(wid){
	var iMsg=0;
	for(var i=0;i<gDocMsgList.length;i++){
		if(gDocMsgList[i].type==1){
			if(gDocMsgList[i].data.id==wid && gDocMsgList[i].read==0){
				iMsg++;
			}
		}
	}
	return(iMsg);
}

function msg_set_tool_bar_msg_counter(){
	var iMsg=0;
	for(var i=0;i<gDocMsgList.length;i++){
		if(gDocMsgList[i].read==0){
			iMsg++;
		}
	}
	if(iMsg==0){
		$("#icon_notify_"+msg_my_id).html("");
		$("#icon_notify_"+msg_my_id).hide();
	}
	else{
		if(iMsg>100){
			iMsg = "+99";
		}
		$("#icon_notify_"+msg_my_id).html(iMsg.toString());
		$("#icon_notify_"+msg_my_id).show();		
	}
}

//显示消息内容
function msg_show_content(type,id){
	if(type=="" || id==""){
		return;
	}
	let arrid;
	let sen_begin,sen_end;
	if(type==2){
		arrid = id.split("-"); 
		id=arrid[0];
		sen_begin=arrid[1];
		sen_end=arrid[2];
	}
	msg_curr_show_content_id=id;
	msg_curr_show_content_type=type;
	var iMsg=0;
	var outHtml="";
	var iLastTime=0;
	for(var i=0;i<gDocMsgList.length;i++){
		let isFound=false;
		switch(type){
			case 1:
				if(gDocMsgList[i].type==type && gDocMsgList[i].data.id==id){
					isFound=true;
				}
			break;
			case 2:
				if(gDocMsgList[i].type==type && gDocMsgList[i].data.id==id &&  gDocMsgList[i].data.begin==sen_begin &&  gDocMsgList[i].data.end==sen_end ){
					isFound=true;
				}
			break;
		}
		if(isFound){
			iMsg++;
			if(gDocMsgList[i].read==0){
				//如果未读，设置为已读
				msg_read(gDocMsgList[i],1);
			}
			
			//三分钟之内的消息只显示一个时间标记
			if(gDocMsgList[i].time-iLastTime>60*3){
				var d = new Date()
				d.setTime(gDocMsgList[i].time*1000);
				//var Local_date=d.toLocaleDateString().split("/");
				var Local_time=d.toLocaleTimeString();
				//將時間去掉秒的信息
				if(Local_time && Local_time.split(":").length==3){
					var Local_time_string=Local_time.split(":")[0]+":"+Local_time.split(":")[1];
					Local_time_string+=Local_time.split(":")[2].slice(2);
				}
				else{
					var Local_time_string=d.toLocaleTimeString()
				}
				outHtml+= "<div class='msgbox_time'><span>"+d.toLocaleDateString()+" "+Local_time_string+"</span></div>";//d.toLocaleeString()
			}
			iLastTime=gDocMsgList[i].time;
			
			var myName=getCookie("username");
			if(gDocMsgList[i].sender==myName){
				outHtml+= "<div class='msgbox_div'>";
				outHtml+= "<div class='msgbox_s'>";
				outHtml+= "<div class='head'><span>"+gDocMsgList[i].sender+"</span></div>";
			}
			else{
				outHtml+= "<div class='msgbox_r'>";
				outHtml+= "<div class='head'><span>"+gDocMsgList[i].sender+"</span><span>Apply</span></div>";				
			}
			
			switch(parseInt(type) ){
				case 1:
					if(gDocMsgList[i].data.pali!=null){
						outHtml+= "<div>spell:<a onclick=\"fieldListChanged('"+id+"','pali','"+gDocMsgList[i].data.pali+"')\">"+gDocMsgList[i].data.pali+"</a></div>";
					}
					if(gDocMsgList[i].data.real!=null){
						outHtml+= "<div>real:<a onclick=\"fieldListChanged('"+id+"','real','"+gDocMsgList[i].data.real+"')\">"+gDocMsgList[i].data.real+"</a></div>";
					}					if(gDocMsgList[i].data.mean!=null){
						outHtml+= "<div>mean:<a onclick=\"fieldListChanged('"+id+"','mean','"+gDocMsgList[i].data.mean+"')\">"+gDocMsgList[i].data.mean+"</a></div>";
					}
					if(gDocMsgList[i].data.org!=null){
						outHtml+= "<div>part:<a onclick=\"fieldListChanged('"+id+"','org','"+gDocMsgList[i].data.org+"')\">"+gDocMsgList[i].data.org+"</a></div>";
					}
					if(gDocMsgList[i].data.om!=null){
						outHtml+= "<div>part mean:<a onclick=\"fieldListChanged('"+id+"','om','"+gDocMsgList[i].data.om+"')\">"+gDocMsgList[i].data.om+"</a></div>";
					}
					if(gDocMsgList[i].data.case!=null){
						outHtml+= "<div>case:<a onclick=\"fieldListChanged('"+id+"','case','"+gDocMsgList[i].data.case+"')\">"+gDocMsgList[i].data.case+"</a></div>";
					}
					if(gDocMsgList[i].data.parent!=null){
						outHtml+= "<div>base:<a onclick=\"fieldListChanged('"+id+"','parent','"+gDocMsgList[i].data.parent+"')\">"+gDocMsgList[i].data.parent+"</a></div>";
					}
					if(gDocMsgList[i].data.note!=null){
						outHtml+= "<div>note:<a onclick=\"fieldListChanged('"+id+"','note','"+gDocMsgList[i].data.note+"')\">"+gDocMsgList[i].data.note+"</a></div>";
					}				
					if(gDocMsgList[i].data.rela!=null){
						let strRelation=decodeURI(gDocMsgList[i].data.rela);
						outHtml+= "<div>Relation:<a onclick=\"fieldListChanged('"+id+"','rela','"+strRelation+"')\">";
						outHtml+= renderWordRelationByString("",strRelation,id);
						outHtml+= "</a></div>";
					}					
					if(gDocMsgList[i].data.lock!=null){
						outHtml+= "<div>lock:<a onclick=\"fieldListChanged('"+id+"','lock','"+gDocMsgList[i].data.lock+"')\">"+gDocMsgList[i].data.lock+"</a></div>";
					}		
					if(gDocMsgList[i].data.bmc!=null){
						outHtml+= "<div>Bookmark:<a onclick=\"fieldListChanged('"+id+"','bmc','"+gDocMsgList[i].data.bmc+"')\">"+gDocMsgList[i].data.bmc+"</a></div>";
					}
					if(gDocMsgList[i].data.bmt!=null){
						outHtml+= "<div>Bookmark:<a onclick=\"fieldListChanged('"+id+"','bmt','"+gDocMsgList[i].data.bmt+"')\">"+gDocMsgList[i].data.bmt+"</a></div>";
					}					
					break;
				case 2:
					outHtml += "<div>sentence:<a onclick=\"setTranText('"+gDocMsgList[i].data.id+"','"+gDocMsgList[i].data.end+"','"+gDocMsgList[i].data.text+"')\">"+gDocMsgList[i].data.text+"</a></div>";
					
				break;
			}
			switch(gDocMsgList[i].read){
				case 1:
				break;
				case 2:
					outHtml+= "<div>已经自动采纳</div>";
				break;
				case 3:
					outHtml+= "<div>已被采纳</div>";
				break;
			}			
			outHtml+= "</div></div>";
		}
	}
	
	$("#msg_panal_content").html(outHtml);

	switch(type){
		case 1:
			updataWordHeadById(id);
			var xAllWord = gXmlBookDataBody.getElementsByTagName("word");
			var wordSpell = getNodeText(xAllWord[getWordIndex(id)],"real");	
			var wordId = getNodeText(xAllWord[getWordIndex(id)],"id");
			wordSpell = "<a href='#w"+wordId+"'>" + wordSpell + "</a>";
			$("#msg_content_title").html(wordSpell);
		break;
		case 2:
		break;
	}
	
	msg_set_tool_bar_msg_counter();
}

//刷新消息列表
function msg_update_msg_list(){
	let strHtml="";
	let msgList= new Array();
	
	for(var i=0;i<gDocMsgList.length;i++){
		switch(gDocMsgList[i].type){
			case 2:
			case 1:
				var iFind=_msg_find_id_in_list(msgList,gDocMsgList[i].data.id);
				if(iFind>=0){
					if(gDocMsgList[i].read==0){
						msgList[iFind].unread++;
					}
					msgList[iFind].counter++;
					msgList[iFind].newTime=gDocMsgList[i].time;
					msgList[iFind].sender = gDocMsgList[i].sender;
				}
				//没找到
				else{
					objMsg=new Object();
					objMsg.id=gDocMsgList[i].data.id;
					objMsg.type=gDocMsgList[i].type;
					if(gDocMsgList[i].read==0){
						objMsg.unread=1;
					}
					else{
						objMsg.unread=0;
					}
					objMsg.counter=1;
					objMsg.newTime=gDocMsgList[i].time;
					objMsg.sender = gDocMsgList[i].sender;
					msgList.push(objMsg);
				}
			break;
		}
	}	
	strHtml+="<ul class='msg_list'>";
	
	msgList.sort(sortNumber);
	for(var j=0;j<2;j++){
	for(var i=0;i<msgList.length;i++){
		//先显示未读的 再显示已经读的
		var times;
		if(msgList[i].unread>0){
			times=0;
		}
		else{
			times = 1;
		}
		if(times==j){
			strHtml+="<li>";
			var d = new Date()
			d.setTime(msgList[i].newTime*1000);
			switch(msgList[i].type){
				case 1:
				var xAllWord = gXmlBookDataBody.getElementsByTagName("word");
				var wIndex=getWordIndex(msgList[i].id);
				if(wIndex>=0){
					var wordSpell = getNodeText(xAllWord[getWordIndex(msgList[i].id)],"real");
				}
				else{
					var wordSpell = "unkow";
				}
				strHtml+="<span>";
				if(msgList[i].unread>0){
					strHtml+="<span class='word_msg'>"+msgList[i].unread+"</span>";
				}
				strHtml+="<a href='#w"+msgList[i].id+"'>[«]</a>";
				strHtml+="<a onclick=\"msg_show_msg_content('1','"+msgList[i].id+"')\">"+wordSpell+"</a></span>";
				strHtml+="<span>"+d.toLocaleString()+"</span>";
				break;
				case 2:
				strHtml+="<a onclick=\"msg_show_msg_content('2','"+msgList[i].id+"')\">"+msgList[i].id+"</a></span>";
				strHtml+="<span>"+d.toLocaleString()+"</span>";
				break;
			}
			strHtml+="</li>";
		}
	}
	}
	strHtml+="</ul>";
	
	$("#msg_panal_list").html(strHtml);
}
function _msg_find_id_in_list(arrList,id){
	for(var i=0 ; i<arrList.length;i++){
		if(arrList[i].id==id){
			return(i);
		}
	}
	return(-1);
}

function sortNumber(a, b)
{
return b.newTime-a.newTime;
}