// JavaScript Document
document.charset = "utf-8";
var streamlist;
//getDeviceCap();
htmlobj=$.ajax({
	url:"../DeviceCapTable.ini",
	async:false,
	error: function (xhr){
		if(xhr.status == 404){
			streamlist = [
				{stream:str_vs_main,
				 value :"1"},
				{stream:str_vs_sub,
				 value:"4"}
			];
		}
	}
});
var StreamCount=parseInt(htmlobj.responseText.split("=")[1]);
if(StreamCount=="1"){
	streamlist = [
		{stream:str_vs_main,
		 value :"1"}
	];
}else if(StreamCount=="2"){
	streamlist = [
		{stream:str_vs_main,
		 value :"1"},
		{stream:str_vs_sub,
		 value:"4"}
	];
}else if(StreamCount=="3"){
	streamlist = [
		{stream:str_vs_main,
		 value :"1"},
		{stream:str_vs_sub,
		 value:"4"},
		 {stream:str_vs_mo,
		 value:"5"}
	];
}
/**********************************
 功能: 登陆
 ***********************************/
function Login() {
		//用户名为空时提示
		if ($('#username').val().length == 0) {
			$('#username').focus();
			errorMsg(str_if_user,"umsg");
			return false
		}
		if (JudgeTextLength($('#username').val()) > 32) {
			$('#username').focus();
			$('#username').val('');
			errorMsg(str_if_user_len,"umsg");
			return false;
		}
		if (JudgeTextLength($('#passwd').val()) > 16) {
			$('#passwd').focus();
		  	$('#passwd').val('');
			errorMsg(str_if_pwd_len,"umsg");
			return false;
		}
		
	 var cyDate = 'Username=' + $('#username').val() + '&Password=' + $('#passwd').val();
     $.ajax({
			url:m_Http + m_HostName + ":" + m_HttpPort + "/Security/UserAuth",
			type:"PUT",
	        timeout: 15000, 
			data:cyDate,
	        beforeSend: function (xhr) {
		               xhr.setRequestHeader("If-Modified-Since", "0");
	         },
			success:function (xmlDoc, textStatus, xhr){
				var statusflg = $(xmlDoc).find('ResponseStatus').eq(0).find('statusCode').eq(0).text();
				if (0 == statusflg){//成功登陆
					loginLoad();
				}
				else if (-17 == statusflg){//密码出错
					 errorMsg(str_if_uperror,"umsg");
				}
				else if ("401" != xhr.status){//其它异常
			            if ("timeout" == textStatus) {//连接超时
				           errorMsg(str_if_nouttime,"umsg");
			             } 
			            else {//网络异常
				          errorMsg(str_if_abnormal,"umsg");
			             }
			   }
			},
			error:function (xhr, textStatus, errorThrown) {
			 if ("401" != xhr.status){
			     if ("timeout" == textStatus) {
				    errorMsg(str_if_nouttime,"umsg");
			       } 
			     else {
				    errorMsg(str_if_abnormal,"umsg");
			       }
			   }
			}
		});		


}

/*************************************************
 Function:     loginLoad
 Description:  初始化登陆数据
**************************************************/
function loginLoad(){
	 $.ajax({
			url:m_Http + m_HostName + ":" + m_HttpPort + "/Network/Port",
			type:"GET",
			username:$('#username').val(),
			password:$('#passwd').val(),
	        timeout: 15000, 
	        beforeSend: function (xhr) {
		             xhr.setRequestHeader("If-Modified-Since", "0");
			           xhr.setRequestHeader("Cache-Control:no-cache","must-revalidate");
			           xhr.setRequestHeader("keep-alive","timeout=0, max=1000");
	         },
			success:function (xmlDoc, textStatus, xhr) {
		         m_cyUserPwdValue = Base64.encode($('#username').val() + ":" + $('#passwd').val());
		         $.cookie('userInfo', m_cyUserPwdValue);
		         for(var i = 0;i < streamlist.length;i++){
		         	if($("#streamlist").val() == streamlist[i].stream){
		         		var streamvalue = streamlist[i].value;
		         	}
						 }
				 $.cookie('strem', streamvalue);
	             $.cookie('commandPort',$(xmlDoc).find('Port').eq(0).find('Command').eq(0).text());
				 $.cookie('rtspPort',$(xmlDoc).find('Port').eq(0).find('RTP').eq(0).text());
				 window.location.href = "main.html";
			},
			error:function (xhr, textStatus, errorThrown) {
			 if ("401" != xhr.status){
			   if ("timeout" == textStatus) {
				  errorMsg(str_if_nouttime,"umsg");
			     } 
			     else {
				 errorMsg(str_if_abnormal,"umsg");
			     }
			   }
			   else{
				  errorMsg(str_if_uperror,"umsg"); 
			   }
			}
	  	 });
}
/**********************************
 功能: 计算字符串的长度
 参数: szString: 输入的字符串
 ***********************************/
function JudgeTextLength(szString) {
	var iLength = 0;
	for (var i = 0; i < szString.length; i++) {
		if (szString.charCodeAt(i) > 255) {
			iLength += 2;
		} else {
			iLength += 1;
		}
	}
	return iLength
}
/**********************************
 功能: 按回车键登录
 ***********************************/
document.onkeydown = function (event) {
	event = event ? event : (window.event ? window.event : null);
	if (event.keyCode == 13) {
	 Login()
		
	};
};

function getDeviceCap() {
	$.ajax({
			url: m_Http + m_HostName + ":" + m_HttpPort + "/System/DeviceCap",
			type: "GET",
			async: false,
			username:$('#username').val(),
			password:$('#passwd').val(),
			timeout: 15000,
			beforeSend: function (xhr) {
					xhr.setRequestHeader("If-Modified-Since", "0");
				},
			success: function (xmlDoc) {
				StreamCount=$(xmlDoc).find("StreamCount").eq(0).text();
			},
			error: function (xhr, textStatus, errorThrown) {
			}
		 });
};