//处理登录页面的相关动作
//weidy@2013-08-01

var path = "";//后台路径
var configData = {};
var browserInfo = null;
var processStep = 0;
var processInterval = null;
var usedTime = 0;
var projectName = "";
var pathName = "";
var jq = null;
$(document).ready(function() {
	jq = $;
	// 先判断浏览器版本
	browserInfo = checkBrowser();
	pathName = window.document.location.pathname;
    projectName = pathName.substring(0, pathName.substr(1).indexOf('/') + 1) + "/";
	//处理页面的内容
	getConfig(function(){
        initDefaultConfig();
		//checkIsLogin(function(){
			initPage();//获取配置后，检查是否已经登录过，如果没有登录则在初始化页面的内容
		//});
	});
});
function getConfig(callback){
	$.getJSON(projectName + "config.json?v=" +  (new Date()).getTime(),function(data){
		configData = data;
		if(configData.isDebug == "true" || configData.isDebug == true){
            path = configData.backPath;
        }else{
			path = projectName;
			if(configData.compatibility) {
				if (pathName.indexOf("/") > -1) {
					if(""!=configData.unCorsPath){
						path = path.substring(0, path.lastIndexOf("/")) + "/" + configData.unCorsPath + "/";
					}else{
						path = path.substring(0, path.lastIndexOf("/")) + "/";
					}
				}
			}
		}
		if(callback){
			callback();
		}
	});
}

function initDefaultConfig(){
    if(!configData.backgroundimg ){
        configData.backgroundimg = "style/images/base/login/background-classic.png";
    }
    if(!configData.defaultPhoto){
        configData.defaultPhoto = "style/images/base/login/userphotoman.png";
    }
    if(!configData.loginUrl){
        configData.loginUrl = "framework/loginController/login";
	}
	if(!configData.sessionInfoUrl){
        configData.sessionInfoUrl = "framework/loginController/getSessionInfo";
	}
    if(!configData.logoutUrl){
        configData.logoutUrl = "framework/loginController/logout";
    }
}

function initPage(){
    $(document).attr("title",configData.title + "--监控中心服务");
	$("#background img").attr("src", projectName + configData.backgroundimg );
	if ($.cookie('useridcookie') != null && $.cookie('useridcookie') != "" && $.cookie('useridcookie') != "null") {
        $("#userid").val($.cookie('useridcookie'));
    }
	//清除锁定窗口的cookie
	$.cookie("isLockWindow", "false");
	$.cookie('AuthorizationToken','',{path:"/"});
	//设置用户的头像
	if($.cookie('userphotocookie') != null && $.cookie('userphotocookie') != "" && $.cookie('userphotocookie') != "null"){
		$("#userPhoto").attr("src",projectName + $.cookie('userphotocookie'));
	}else{
		$("#userPhoto").attr("src",projectName  + configData.defaultPhoto);
	}
	$("#loginbt").click(function() {
		if (checkEmpty())// 先检查是否为空
			login();
	});
	// 在密码框上点击了回车键
	$("#password").bind("keydown", function(e) {
		var key = e.which;
		if (key == 13){// 按下回车键{
			if (checkEmpty())// 先检查是否为空
				login();
		}
	});
	if(configData.unSecret){
		$("#secretFlag").show();
		$("#secretFlag").html(configData.unSecretText);
	}
}

function checkIsLogin(callback){
	crosPost(configData.sessionInfoUrl,{},function(result){
		//如果在线，那直接提示用户是否要继续
		if(result.success){
			$webUtil.deptOid = result.obj.deptOid; // 保存用户部门Oid
			var sessionInfo = result.obj;
			if (window.confirm('当前浏览器中已经使用[' + sessionInfo.userName + ']登录了，如果您现在要使用别的账户登录，'
					+ sessionInfo.userName + '将会自动注销,您是否要继续？')) {
				crosPost(configData.logoutUrl,{"userid":sessionInfo.userId},function(result){
					window.location.href = window.location.href;
				},function(xhr,error){
					window.location.href = window.location.href;
				});
			} else {
				if(browserInfo.browser == "IE"){
					window.open(",’_parent’,");
					window.close();
				}else{
					try{
						window.opener = null;
						window.open('', '_self');
					}catch(e){
						window.close();
					}
				}
			}
		}else{
			if(callback){
				callback();
			}
		}
	},function(xhr,error){
		if(callback){
			callback();
		}
	});
}

function crosPost(url1,data,callback,errorCallback){
	var url = "";
	if(configData.isDebug == "true" || configData.isDebug == true){
		url = configData.adminServicePath + url1;
	}else{
		url = path + url1;
	}
	var ajaxOperation ={
        type:'post',
        url:url,
        data:data,
        success:function(data){
            var result = data;
            if(callback){
                callback(result);
            }
        },
        error:function(xhr,error){
            if(errorCallback){
                errorCallback(xhr,error);
            }
        }
    };
	if(configData.isDebug){
		jQuery.support.cors=true;
	}
	jq.ajax(ajaxOperation);
}

// 检查用户名和密码是否为空
function checkEmpty() {
	if (($("#userid").val() == "") && ($("#password").val() == "")) {
		showError("登录账号和密码不能为空");
		return false;
	} else if ($("#userid").val() == "") {
		showError("登录账号不能为空");
		return false;
	} else if ($("#password").val() == "") {
		showError("密码不能为空");
		return false;
	} else
		return true;
}

// 显示错误
function showError(text) {
	$("#msg").html( text);
	hideError(5000);
}

// 错误显示div隐藏值
function hideError(time) {
	window.setTimeout(function() {
		$("#msg").html("");
	}, time);
}

// 登录
function login() {
	$("#loginbt").attr("disabled", true);
	var userid = $("#userid").val();
	if($("#isForceLogin").attr("checked") == "checked"){
		$.cookie('useridcookie',userid,{expires:30});
	}else{
		$.cookie('useridcookie',null);
	}
	//var password = MD5($("#password").val());
	//新平台已经支持md5加密了
	var password = MD5($("#password").val());
	var isForceLogin = $("#isForceLogin").is(":checked");
	showLoading();
	var loginData = {
		userId : userid,
		password : password,
		forceLogin : isForceLogin,
		browser:browserInfo.browser,
		browserversion:browserInfo.browserversion,
		osversion: browserInfo.osversion 
	};
	//因为每个项目，在登录后获取的内容可能会有不一样，所以登录的路径支持配置configData.loginUrl
	crosPost("loginForAdmin/login",loginData,function(result){
		hideLoading();
		if(result == undefined || result == null){
			showError("登录出现了错误！请查看服务器是否开启");
			$("#loginbt").attr("disabled", false);
		}	
		if (result.success){
			$.cookie('AuthorizationToken',result.obj.sessionInfo.token,{path:"/"});
			createCookie('AuthorizationToken',result.obj.sessionInfo.token);
			if(configData.mainDisplay == "open" && browserInfo.browser == 'IE'){
				window.open(projectName + "mainAdmin.html",'_blank','menubar=no,fullscreen=1,toolbar=no,resizable=no,location=no,status=no');
				window.close();
			}else {
				window.location.href = projectName + "mainAdmin.html";
			}
		}else {
			showError(result.msg);
			$("#loginbt").attr("disabled", false);
		}
	},function(xhr,error){
		hideLoading();
		showError(error); 
	});
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	} else{
		expires = "";
	}
	document.cookie = name+"="+value+expires+"; path=/";
}

function showLoading(){
	$(".loadbg").show();
	$(".processbar").show();
	$(".loading").show();
	var preWidth = $(".loading").css("width");
	if(preWidth.indexOf("px")>-1){
		preWidth = preWidth.replace("px","");
	}
	preWidth = preWidth*1/10;
	processInterval = window.setInterval(function(){
		$("#useTime").html(usedTime + 1);
		$(".processbar").css("width",preWidth*(processStep+1));
		usedTime ++;
		processStep ++ ;
	    if(processStep == 10){
	    	processStep = 0;
	    }
	},1000);
}
function hideLoading(){
	$(".loadbg").hide();
	$(".processbar").hide();
	$(".loading").hide();
    processStep = 0;
    usedTime =0;
	if(processInterval != null){
		window.clearInterval(processInterval);
	}
}