// TODO 临时构造plus对象，使得能够在浏览器中进行调试
//var plus = null;

	// 登录者相关信息（包括userAgent）
var loginerInfo = null,
	// 基础环境信息（包括当前webview）
	baseEnv = null,
	docInfo = null,
	self = null,
	activeItem = null,
	isInit;
	
var $queryTab = $('#query_tab'),
	$doingView = $('#search_result'),
	$doingViewList = $doingView.find('.c-list'),
	// 搜索无结果时显示
	$noResultWrap = $('#no_result_wrap'),
	searchPage,
	$searchbar = $(".searchbar-input");
var orginalData = [];
var zdList, zdListKey = "",
	msg_del_list, msg_del_list_key = "",
	msg_cache_key = "";
	var first = true;
	
	mui.plusReady(function() {
		self = plus.webview.currentWebview();
		docInfo = JSON.parse(plus.storage.getItem("docInfo"));
		zdListKey = "ys_zdList_"+ docInfo.code;
		msg_del_list_key = "ys_msg_del_list_"+ docInfo.code;
		msg_cache_key = "ys_msg_cache_key"+ docInfo.code;
		zdList = plus.storage.getItem(zdListKey);
		zdList = zdList? JSON.parse(zdList) : [];
		msg_del_list = plus.storage.getItem(msg_del_list_key);
		msg_del_list = msg_del_list? JSON.parse(msg_del_list) : {};
		/**
		 * 预加载查询页面
		 */
		searchPage = plus.webview.getWebviewById('sousuoyisheng');
		if(searchPage){
			searchPage.hide();
		}else{
			searchPage = mui.preload({
				id:"sousuoyisheng",
			    url: 'sousuoyisheng.html'
			});
		}
		
	});

	// ”医生im”列表分页查询最后一条记录Id
var	doingLastId = 0,
	// ”医生im”列表iscroll 滚动条实例
	doingIscroller;
	
// 获取登录相关信息
var getLoginerInfo = function() {
		// 登录的相关信息
	var userAgent = plus && JSON.parse(plus.storage.getItem("userAgent"))
	return {
		userAgent: userAgent
	}
},
// 获取基础环境信息
getBaseEnvPromise = function () {
	
	var env = {
		webview: plus&&plus.webview.currentWebview()
	};

	return Promise.resolve().then(function(res) { 
		return env;
	});
},
formatDate = function(timestamp){
	var date = new Date(timestamp);
	Y = date.getFullYear() + '-';
	M = (date.getMonth()+1 < 10 ? '0'+(date.getMonth()+1) : date.getMonth()+1) + '-';
	D = date.getDate() < 10 ?'0'+date.getDate():date.getDate();
	return Y+M+D;
},
setPhoto = function(groupPhoto){
	var images = '';
		var cssArr=null;
		if(groupPhoto.length>=5){
			cssArr = ["top: 0;left: 50%;margin-left: -8px;","top: 12px;left: 2px;","top: 12px;left: 28px;","top: 27px;left: 5px;","top: 27px;left: 24px;"];
		}else if(groupPhoto.length==4){
			cssArr = ["top: 5px;left: 3px;","top: 5px;left: 25px;","top: 27px;left: 3px;"," top: 27px;left: 25px;"];
		}else if(groupPhoto.length==3){
			cssArr = ["top: 5px;left: 50%;margin-left: -10px;","top: 20px;left: 3px;","top: 20px;left: 25px;"];
		}else if(groupPhoto.length==2){
			cssArr = ["top: 5px;left: 50%;margin-left: -10px;"," top: 19px;left: 24px;"];
		}else if(groupPhoto.length==1 || groupPhoto.length==0){
			cssArr = ["position: absolute;width: 50px;height: 50px;border-radius: 50px;background-size: 50px;overflow: hidden;"];
		}
		for(var i in groupPhoto){
			if(i>4) break;
			if(groupPhoto[i].avatar){
				images+='<div class="div-image" style="'+cssArr[i]+'">'+
							'<img src="'+ getImgUrl(groupPhoto[i].avatar) +'"/>'+
						'</div>';
			}else{
				images+='<div class="div-image" style="'+cssArr[i]+'">'+
								'<img src="../../../images/d-default.png"/>'+
							'</div>';
			}
		} 
		if(groupPhoto.length==0){
			images+='<div class="div-image" style="'+cssArr[0]+'">'+
								'<img src="../../../images/d-default.png"/>'+
							'</div>';
		}
		return images;
},

initPage = function(){
	var msg = plus.storage.getItem(msg_cache_key);
	if(msg){
		msg = JSON.parse(msg);
		render(msg, true, false);
		getData(false, false);
	} else {
		getData(true, false);
	}
},

render= function(data, isInit, isPullDown){
	plus.storage.setItem(msg_cache_key, JSON.stringify(data));
	if(data.length==0){
		$doingViewList.hide();
		$noResultWrap.show();
		$(".lin-search").hide();
		myScroll.refresh();
		myScroll.endPullDownToRefresh();
		mui.later(function(){
			$(".l-pullDown").hide();
		}, 200)
	} else {
		if(isInit){
			//初始化
			$doingViewList.html( template("ys_li_tmpl", {list: data}) );
		} else {
			//更新
			var v;
			var $lastDom = $('#doing_list li.zd');
			$lastDom = $lastDom.length? $($lastDom[$lastDom.length-1]) : undefined;
			
			for(var i=data.length-1; i>=0; i--){
				v = data[i];
				var $dom = $('#doing_list li[data-code="'+ v.code +'"]');
				if($dom.length){
					if($dom.attr('data-timestamp')==v.timestamp){
						$dom.find('.last-content').text(v.content);
						$dom.find('.red-dot').text(v.count).toggle(v.count>0&&v.my_role==0);
					} else {
						$dom.remove();
						$lastDom ? $lastDom.after( template('ys_li_tmpl', {list: [v]}) ) 
							: $doingViewList.prepend( template('ys_li_tmpl', {list: [v]}) );
					}
				} else {
					$lastDom ? $lastDom.after( template('ys_li_tmpl', {list: [v]}) ) 
							: $doingViewList.prepend( template('ys_li_tmpl', {list: [v]}) );
				}
			}
			
			if($('#doing_list:hidden').length){
				$doingViewList.show();
				$noResultWrap.hide();
				$(".lin-search").show();
				$(".l-pullDown").show();
			}
			
			if(isPullDown)
				myScroll.endPullDownToRefresh();
			else 
				myScroll.refresh();
		}
		loadPhoto();
	}
},

getData = function(isInit, isPullDown) {
	var count = 0;
	var resultArr = [];
	imClient.Sessions.getSessionsWithDoctor(docInfo.code, 1, 2000, function(rs){
		var d, isNoRs = true;
		for(var k in rs){
			d = rs[k];
			if(d.business_type==1 && d.type!=0 && d.type!=1 && d.name!="系统消息"){
				isNoRs = false;
				var dateStr = asessTime(d.create_date);
				var p = {
						count: d.unread_count || 0, 
						time: d.last_content==""? "" : dateStr,
						code: d.id, 
						name: d.name, 
						last_content: formatMsg( d.last_content, d.last_content_type),
						timestamp: d.create_date,
						photo:"",
						type: d.type, //2:p2p, 3:group
						my_role: d.my_role
				}
				count += p.count;
				resultArr.push(p);
			}
		}
		
		if(isNoRs){
			render([], isInit, isPullDown);
		} else {
			render(soreByTimeStamp(resultArr), isInit, isPullDown);
			//刷新未读消息数
			sendPost("/doctor/message/messages",{}, null, function(res){
		        if(res.status == 200){
		            var data = res.data;
		            var xxWD = data.imMsgCount?JSON.parse(data.imMsgCount):'';
		            mui.fire(plus.webview.getWebviewById("xiaoxi.html"), "imMsgCount", {patient: xxWD.patient,patientEnd:xxWD.patientEnd,doctor:xxWD.doctor});
		        }
		  })
		}
	}, function(msg){
		errHandle(isPullDown);
		console.error("e:"+JSON.stringify(msg))
	})
},

loadPhoto = function(){
	$.each($('#doing_list li[data-load!="1"]'), function(i, v) {
		imClient.Sessions.getParticipantsAvatars($(v).attr('data-code'), function(rs){
			$(v).attr('data-load', 1);
			if(rs.length>0){
				var $photo = $(v).find('.c-avatar-m');
				if($(v).attr('data-type')==2){
					for(var k in rs){
						if(docInfo.code != rs[k].id){
							$photo.html('<img src="'+ getImgUrl(rs[k].avatar) +'">');
							break;
						}
					}
				} else {
					$photo.html(setPhoto(rs));
				}
			}
			
		}, function(){
			
		})
	});
},

errHandle = function(isPullDown){
	if(isPullDown) myScroll.endPullDownToRefresh();
	mui.toast("数据加载失败，请检查网络无误后下拉刷新。");
},

soreByTimeStamp = function(resultArr){
	orginalData = resultArr;
	var resArr = [];
	if(!isEmpty(msg_del_list)){
		_.each(resultArr,function(v){
			var isAdd = false;
			_.each(msg_del_list,function(val){
				if(msg_del_list[v.code]!=v.timestamp.toString()){
					if(!isAdd){
						resArr.push(v);
						isAdd = true;
					}
				}
			})
		})
	}else{
		resArr = resultArr;
	}
	
	var aArr = [];
	var bArr = [];
	for(var x=0;x<resultArr.length;x++){
		resultArr[x].isZD = false;
		for(var i=zdList.length-1;i>=0;i--){ 
			if(zdList[i]==resultArr[x].code){
				resultArr[x].isZD = true;
				aArr.push(resultArr[x]);
				break;
			}
		}
	}
	
	 _.chain(resArr)
        // 根据date日期字段排序
        .sortBy("timestamp").reverse()
        .each(function(v){
        	if(!(_.contains(zdList,v.code))){
        		bArr.push(v);
        	}
        });

    var formatResult = aArr.concat(bArr);
    return formatResult;
},
isEmpty = function(value){
	return (Array.isArray(value) && value.length === 0) 
      || (Object.prototype.isPrototypeOf(value) && Object.keys(value).length === 0);
},
// 绑定页面事件
bindEvents = function () {
	
	/**
	 * 搜索按钮点击
	 */
	$('.lin-search').on('tap', function() {
		mui.fire(searchPage, "initSearch", null);
		searchPage.show();
	})
	
	$('#doing_list')
	/*屏蔽置顶和删除功能
	.on('touchstart', 'div.zdan', function(){ // 置顶按钮
		$zdDom = $(this);
	})
	.on('touchstart', 'div.qxzdan', function(){ // 取消置顶按钮
		var $li = $(this).closest('li');
		var code = $li.attr('data-code');
		zdList = _.without(zdList,code);
		plus.storage.setItem(zdListKey, JSON.stringify(zdList));
		var data = soreByTimeStamp(orginalData);
		var v;
		for(var i=0; i<data.length; i++){
			v =data[i];
			if(v.code == code){
				$li.remove();
				var $aLi = $doingViewList.find("li:eq("+ i +")");
				if($aLi.length>0){
					$aLi.before( template('ys_li_tmpl', {list: [v]}) );
				} else {
					$doingViewList.append( template('ys_li_tmpl', {list: [v]}) );
				}
				break;
			}
		}
	})
	.on('touchstart', 'div.scan', function(){ // 删除按钮
		var $li = $(this).closest('li');
		var code = $li.attr('data-code');
		msg_del_list[code] = $li.attr('data-timestamp');
		var newList = [];
		if(zdList){
			for(var i=0; i<zdList.length; i++){
				if(zdList[i] != code){
					newList.push(zdList[i]);
				}
			}
		}
		zdList = newList;
		plus.storage.setItem(zdListKey, JSON.stringify(zdList));
		saveMsgDelList();
		$li.remove();
		myScroll.refresh();
		return false;
	})
	.on('touchstart', 'li', function(e){ //左滑动作开始
		e.preventDefault();
		startScrollX = e.originalEvent.targetTouches[0].screenX;
	})
	.on('touchmove', 'li', function(e){ //左滑动作移动
		if(xScroll != true) return;
		e.preventDefault();
		scrollX = e.originalEvent.targetTouches[0].screenX - startScrollX;
		var offLeft = $(e.currentTarget).find('div.operate').children('div').length * (-70);
		if(scrollX<0 && scrollX >= offLeft)
			$(e.currentTarget).css('left', scrollX + 'px');
	})
	.on('touchend', 'li', function(e){ //左滑动作结束
		e.preventDefault();
		if(scrollX<-50){
			$scrollDom = $(e.currentTarget);
			var offLeft = $(e.currentTarget).find('div.operate').children('div').length * (-70);
			$scrollDom.animate({left: offLeft}, "fast");
		} else{
			startScrollX = undefined;
			$scrollDom = undefined;
			$(e.currentTarget).animate({left: '0px'}, "fast");
		}
		scrollX = undefined;
		xScroll = false;
		myScroll.options.isLeftScroll = false;
	})
	*/
	.on('tap','li',function() {
		var userAgent = JSON.parse(plus.storage.getItem("userAgent"));
			    if(userAgent.observer){
			        mui.toast("观察者模式无法发送消息");
			    }else{
		var $this = $(this),
		code = $this.attr('data-code'),
		name = $this.attr('data-name'),
		type = $this.attr('data-type');
		if(type==2){//医生对医生1对1
			openWebview("../../message/html/p2p.html",{sessionId: code, sessionName: name, type:"doctor-to-doctor"});
		}else{
			openWebview("../../message/html/tuanduiqunliao.html",{sessionId: code, sessionName: name});
		}
		}
	})
	
	/**
	 * 取消左移块的事件
	 */
	
	$('body').on('touchstart', function(e){
		if($scrollDom){
			$scrollDom.animate({left: '0px'}, "fast", undefined, function(){
				if($zdDom){
					var code = $zdDom.closest('li').prependTo("#doing_list").addClass("zd").attr('data-code');
					$zdDom.html("取消<br/>置顶").removeClass("zdan").addClass("qxzdan");
					$zdDom = undefined;
					var newList = [];
					if(zdList){
						for(var i=0; i<zdList.length; i++){
							if(zdList[i] != code){
								newList.push(zdList[i]);
							}
						}
						newList.push(code);
					} else {
						newList = [code];
					}
					zdList = newList;
					plus.storage.setItem(zdListKey, JSON.stringify(zdList));
				}
			});
			return false;
		}
	}).on('touchmove', function(e){
		e.preventDefault();
	})
	
};
// 页面业务处理流程开始
new Promise(function(resolve, reject) {
	// TODO 临时放开
	//resolve(true);
	mui.plusReady(function() {
		// plus已经准备好，可以往下执行
		resolve(true);
	});
}).then(function() {
	
	// 获取基础环境信息
	return getBaseEnvPromise().then(function(env) {
		baseEnv = env;
	}).then(function() {
		// 获取登录医生信息
		loginerInfo = getLoginerInfo();
		loaded();
		initPage();
		
		bindEvents();// 绑定页面事件
	})
}).catch(function(e) {
	plus.nativeUI.closeWaiting();
	console && console.error(e);
});

var xScroll = 0;
var yOff = 0, xOff = 0, myScroll;
var $scrollDom, $zdDom;
/**
 * 初始化iscroll
 */
function loaded () {
	
	var deceleration = mui.os.ios?0.003:0.0009;
    mui('.mui-scroll-wrapper').scroll({
        bounce: false,
        indicators: true, //是否显示滚动条
        deceleration:deceleration
    });
    
    myScroll = mui(".mui-scroll").pullToRefresh({
        down: {
            callback: function() {
                var self = this;
                setTimeout(function() {
                	getData(false, true);
                }, 1000);
                var zkHome = plus.webview.getWebviewById("home1.html");
                if(zkHome) {
                	mui.fire(zkHome,'refreshBaseInfo');
                }
            }
        },
        scrollLeft: function(){
        	xScroll = true;
        }
    });
    return;	
}

function saveMsgDelList(){
	plus.storage.setItem(msg_del_list_key, JSON.stringify(msg_del_list));
}

/**
 * 获取最后一个置顶元素，如无置顶元素，返回false
 */
function getTopDom(){
	var $d;
	for(var i=0; i<zdList.length; i++){
		$d = $('#doing_list li[data-code="'+ zdList[i] +'"]');
		if($d.length > 0)
			return $d;
	}
	return false;
}

function formatMsg(msg, type){
	switch(parseInt(type)){
		case 1: return msg;
		case 2: return "[图片]";
		case 3: return "[语音]";
		case 4: 
			msg = msg.replace(/\n/g, "\\n");  
	        msg = msg.replace(/\r/g, "\\r"); 
			msg = JSON.parse(msg); 
			var msgType = msg.type || 0;
			if(msgType==0){
				return "[健康教育]";
			}else if(msgType==1){
				return "[健康记录]";
			}else{
				return "[健康指导]";
			}
		case 5: 
			msg = JSON.parse(msg);
			return "已向"+msg.doctor_name+"求助";
		case 6: return msg;
		case 7: return msg;
		case 12: return "[视频]";
		case 13: return msg;
	}
}
/**
 * 往指定元素后面添加
 */
function appendAfterZd($lastZd, appendDom){
	if($lastZd != false){
		$lastZd.after(appendDom);
	} else {
		$('#doing_list').prepend(appendDom);
	}
}

function asessTime(timestamp){
	var today = new Date().format('yyyy-MM-dd');
	var date = new Date();
	date.setTime(timestamp);
	var dateStr = date.format('yyyy-MM-dd');
	if(!today.substring(0,4) == dateStr.substring(0,4)){
		return dateStr;
	}
	if(today == dateStr){
		return date.format('hh:mm');
	} 
	return date.format('MM-dd');
}

window.addEventListener("update", function(){
	getData(false, false);
});

window.addEventListener("xiaoxiUpdate", function(){
	getData(false, false);
});