//display version
var VIEW_VERSION = "v.1.0.9"
//delay in miliseconds after post response
var responseDelay = 50000;
//directory path
var port = location.port;
var file_path = ":" + port + "/";
var postUrl = "cgi-bin/cgi_bin/";
var uploadURL= "cgi-bin/cgi_bin_upload/";
//var file_path = "/view/";
//var postUrl = "postRequest2.php";
//var uploadURL= "postRequest2.php";
var isExtExsit = "1";
//supported file extentions of version update
var version_supported_extention = new Array("tgz","tgz");


var xmlpost = false;
var xmlget = false;
var alldata = "";
var isStart = true;
var isStartID = true;
var portCount=2;
var portNum = 1;
//xmlget
try {
    xmlget = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
    try {
        xmlget = new ActiveXObject("Microsoft.XMLHTTP");
    } catch (E) {
        xmlget = false;
    }
}
if (!xmlget && typeof XMLHttpRequest != 'undefined') {
    try {

        xmlget = new XMLHttpRequest();

    } catch (e) {
        xmlget = false;
    }
}
if (!xmlget && window.createRequest) {
    try {
        xmlget = window.createRequest();
    } catch (e) {
        xmlget = false;
    }
}

//xmlpost
try {
    xmlpost = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
    try {
        xmlpost = new ActiveXObject("Microsoft.XMLHTTP");
    } catch (E) {
    xmlpost = false;
    }
}
if (!xmlpost && typeof XMLHttpRequest != 'undefined') {
    try {

        xmlpost = new XMLHttpRequest();

    } catch (e) {
    xmlpost = false;
    }
}
if (!xmlpost && window.createRequest) {
    try {
        xmlpost = window.createRequest();
    } catch (e) {
    xmlpost = false;
    }
}


function start() {
    LockAll();
    doViewRequest();
}

      
//amir 
    function doViewRequest() {
        doGetRequest("http://" + document.domain + file_path + "config.ini", handleView);
    }
    function doIDRequest() {
        doGetRequest("http://" + document.domain + file_path + "ID.ini", handleID);
    }
	
	function getExtChannel(){
		doGetRequest("http://" + document.domain + file_path + "ext_chan.ini", handleExtChannel);		
		document.forms["formView"]["viewMsg"].value = "DVISn Loaded Successfully";
		UnLockAll();
	}
	
	
	function handleExtChannel() {
    	var responseData = checkRequestStatus();
    	if (responseData == null) return;
		responseData = responseData.split("\n").join("");
		var isExt = responseData.split("=")[1];
		isExtExsit = isExt;
		var frm = document.formView;
		if(isExt=="0"){
			frm["Prog_EnabledB"].checked = false;
			frm["Prog_EnabledB"].disabled = true;
			frm["Video_StandardB"].disabled = true;
			frm["Video_RateB"].disabled = true;
			frm["Video_ResolutionB"].disabled = true;
			frm["BrightnessB"].disabled = true;
			frm["ContrastB"].disabled = true;
			frm["SaturationB"].disabled = true;
			frm["Audio_CodecB"].disabled = true;
			frm["Audio_RateB"].disabled = true;
			frm["Prog_NumberB"].disabled = true;
			frm["Video_Pid_NumberB"].disabled = true;
			frm["Audio_Pid_NumberB"].disabled = true;
			frm["Pcr_Pid_NumberB"].disabled = true;
			frm["Pmt_Pid_NumberB"].disabled = true;
			frm["Vsync_Lock_EnableB"].disabled = true;			
		}
	}
	
	
	
	function doGetRequest(url, callback) {
		xmlget.open("GET", url + "?" + new Date().getTime(), true);
			//register function to onReadyStateChange event
		if (callback == null) {
			document.forms["formView"]["viewMsg"].value = "callback is null";
			alert("callback is null");
			UnLockAll();
		}
		else
			xmlget.onreadystatechange = callback;
			//send the request
			xmlget.send(null);
    }
    
    function GetPorts(str, pn) {
        var tmpObj = new Object();
        var tmpArr = str.split("\n");
        var check = false;
        var count = 1;
        for (var i = 0; i < tmpArr.length; i++) {
            if (tmpArr[i] == ("[Program_" + pn + "]")) {
                check = true;
            }
            else if (!check) continue;
            else if (tmpArr[i].charAt(0) == "#" || tmpArr[i].charAt(0) == "[" || tmpArr[i].length < 3) {
                if (tmpArr[i].charAt(0) == "[") {
                    i = tmpArr.length;
                    check = false;
                }
                else continue;
            }
            else {
                tmpObj[tmpArr[i].split("=")[0]] = tmpArr[i].split("=")[1];
            }
        }
        return tmpObj;
    }
    
    function doParse(str) {
        var tmpObj = new Object();
        var tmpArr = str.split("\n");
        for (var i = 0; i < tmpArr.length; i++) {
            if (tmpArr[i].charAt(0) == "#" || tmpArr[i].charAt(0) == "[" || tmpArr[i].length < 3) continue;
            tmpObj[tmpArr[i].split("=")[0]] = tmpArr[i].split("=")[1];
        }
        return tmpObj;
    }

    
	
	function handleView() {
    	unMarkAll();    	 
    	var responseData = checkRequestStatus();
    	var dhcp = false;
    	var qam = false;
		if (responseData == null) return;
		alldata = responseData;
		
		var viewData = new Object();
		viewData = doParse(responseData);
		for (var obj in viewData) {
        try {
            if (document.forms["formView"][obj].name == "AV") continue;
            else if (document.forms["formView"][obj].type == "checkbox") {
                if (obj == "DHCP_Enable" && viewData[obj] == 1)
                    dhcp = true;
                document.forms["formView"][obj].checked = eval(viewData[obj]);
            }
            else {
                if (obj == "Qam_Mode" && viewData[obj] == 256)
                    qam = true;
                document.forms["formView"][obj].value = viewData[obj];
            }

        }
        catch (e) { }
    }
    handleAV();
    dhcpHandle(dhcp);
    qamHandle(qam);
}

function handleAV() {
    var responseDataAV = alldata;
    if (responseDataAV == null) return;
    var viewDataAV = new Object();
    while (portNum - 1 < portCount) {
        viewDataAV = GetPorts(responseDataAV, portNum - 1);
        for (var objAV in viewDataAV) {
            try {
                if (portNum == 1) {
                    if (document.forms["formView"][objAV].type == "checkbox")
                        document.forms["formView"][objAV].checked = eval(viewDataAV[objAV]);
                    else
                        document.forms["formView"][objAV].value = viewDataAV[objAV];

                    if (objAV == "Video_Standard")
                        resHandle(viewDataAV[objAV], "");
                }
                else {
                    if (document.forms["formView"][objAV + "B"].type == "checkbox")
                        document.forms["formView"][objAV + "B"].checked = eval(viewDataAV[objAV]);
                    else
                        document.forms["formView"][objAV + "B"].value = viewDataAV[objAV];

                    if (objAV == "Video_Standard")
                        resHandle(viewDataAV[objAV], "B");
                }

            }
            catch (e) { }
        }
        portNum++;
    }
    portNum = 1;
    if (isStartID) {
        isStartID = false;
        doIDRequest();
    }
    else {
        document.forms["formView"]["viewMsg"].value = "DVISn Loaded Successfully";
        //alert("DVISn Loaded Successfully");
        UnLockAll();
    }
}

    function handleID() {
        var responseDataID = checkRequestStatus();
        if (responseDataID == null) return;
        var viewDataID = new Object();
        viewDataID = doParse(responseDataID);
       for (var objID in viewDataID) {
            try {
                document.forms["formInfo"][objID].value = viewDataID[objID];
            }
            catch (e) { }
        }
                
		doCallBackPostRequest(postUrl +"?get_ver", "",handleGetVersion)
    }
	
	function handleGetVersion(){
		 var responseDataID = checkPostRequestStatus();
         if (responseDataID == null || responseDataID == "") return;
		 document.getElementById("SW_Version").value = responseDataID;
		 getExtChannel();
	 
	}

	
	
    function sendNew(net) {
        LockAll();
        var validate = true;
        var frm = document.forms["formView"];
        var obj = "";
        for (var i = 0; i < frm.elements.length; i++) {
            obj = frm.elements[i];
            if (obj.id == "viewMsg") continue;
            else if (obj.type == "text") {
				if (obj.id == "viewMsg") continue;
				if (obj.id == "SW_Version") continue;
                if (IsEmpty(obj)) {
                    mark(obj);
                    validate = false;
                }
                else if (NotNumbers(obj, obj.name == "Network")) {
                    mark(obj);
                    validate = false;
                }
                else if (OverChars(obj)) {
					
                    mark(obj);
                    validate = false;
                }
                else unMark(obj);
            }
        }
        if (!validate) {
            document.forms["formView"]["viewMsg"].value = "Correct entries in highlighted fields.";
            alert("Correct entries in highlighted fields.");
            UnLockAll();
            return false;
        }
        unMarkAll();
        var url = "";
        if (net)
            url = postUrl+"?SetNetwork";
        else
            url = postUrl+"?SetParams";
        var data = GetString();		
        doCallBackPostRequest(url, data,handleSubmitAll);
    }

function handleSubmitAll(){
	var responseData = checkPostRequestStatus();
	if(responseData == null) return;
	setTimeout('document.forms["formView"]["viewMsg"].value = "DVISn Settings Successfully Updated";UnLockAll();',responseDelay)
}
	


function doCallBackPostRequest(url, data,callback) {
    xmlpost.open("POST", url, true);
    xmlpost.onreadystatechange = callback;
    xmlpost.send(data);
}


function checkRequestStatus() {
        if (xmlget.readyState == 4) {
            try {
                if (xmlget.status == 200) {
                   
                    return xmlget.responseText;
                } else return "";
            } catch (e){ return "";}
            
        }
		return null;
}

function checkPostRequestStatus() {
	if (xmlpost.readyState == 4) {
		try {
			if (xmlpost.status == 200) {  
				var retString = xmlpost.responseText;
				if( retString.toLowerCase().indexOf("errmsg")>-1){
					//dvis application error
					retString = retString.split("ErrMsg_")[1];
					document.forms["formView"]["viewMsg"].value = "Error Desc: " + retString;
					alert("Request Failed.\nError Desc: " + retString);
					UnLockAll();
					return null;
				}else{
					return retString;
				}
			} else{
				//http dvis error 
				document.forms["formView"]["viewMsg"].value = "HTTP Status: " + xmlpost.status;
                alert("Request Failed.\nHTTP Status: " + xmlpost.status);
                UnLockAll();
				return null;
			}
		} catch (e){ return "";}
		
	}
	return null;
}



function GetString() {
    var dataForm = alldata;
    var splitData = doParse(dataForm);
    var frm = document.forms["formView"];
    var old_Name = "", new_Name = "Network", data = "";
    for (var objDT in splitData) {
        try {
            new_Name = frm[objDT].name;
            if (old_Name != new_Name && frm[objDT].name != "AV") {
                data += "\n[" + new_Name + "]\n";
                old_Name = new_Name;
            }
            if (frm[objDT].name == "AV") continue;
            else if (frm[objDT].type == "checkbox")
                data += objDT + "=" + Number(frm[objDT].checked) + "\n";
            else {
                if (objDT == "Qam_Bandwidth")
                    data += "Qam_Bandwidth=6\n";
                else
                    data += objDT + "=" + frm[objDT].value + "\n";
            }
        }
        catch (e) { }
    }
    var first = true, second = true;

    while (portNum - 1 < portCount) {
        splitData = GetPorts(dataForm, portNum - 1);
        for (var objAV in splitData) {
            try {
                if (portNum == 1) {
                    if (first) {
                        data += "\n[Program_0]\n";
                        first = false;
                    }
                    if (frm[objAV].type == "checkbox")
                        data += objAV + "=" + Number(frm[objAV].checked) + "\n";
                    else
                        data += objAV + "=" + frm[objAV].value + "\n";
                }
                else {
                    if (second) {
                        data += "\n[Program_1]\n";
                        second = false;
                    }
                    if (frm[objAV].type == "checkbox")
                        data += objAV + "=" + Number(frm[objAV + "B"].checked) + "\n";
                    else
                        data += objAV + "=" + frm[objAV + "B"].value + "\n";
                }

            }
            catch (e) {}
        }
        portNum++;
    }
    portNum = 1;	
    return data;
}

function dhcpHandle(en) {
document.formView.Static_IP_Address.disabled=en;
document.formView.Web_Port.disabled=en;
document.formView.Subnet_Mask.disabled=en;
document.formView.Default_Gateway.disabled=en;
document.formView.DNS_IP.disabled=en;
}

function resHandle(en, prog) {
    var num = 0;
    var frm = document.forms["formView"]["Video_Resolution" + prog];
    var count = frm.length - 1;
    for (var j = count; j >= 0; j--) {
        frm.remove(j);
    }
    if (en == 0)
        num = 576;
    else num = 480;
    var y = document.createElement('option');
    var mpgVidRes = new Array("704", "544", "528", "480", "352");
    for (var i = 0; i < 5; i++) {
        y = document.createElement('option');
        y.text = mpgVidRes[i] + "x" + num;
        y.value = mpgVidRes[i];
        try {
            frm.add(y, null); // standards compliant
        }
        catch (ex) {
            frm.add(y); // IE only
        }
    }
}

function qamHandle(en) {
    if (Number(en) > 1) {
        if (Number(en) == 64)
            en = 0;
        else en = 1;
    }
    var frm = document.forms["formView"]["Qam_Bandwidth"];
    frm.value = Number(en);
}

function OverChars(obj) {
    if (obj.name == "Network" && obj.id != "Web_Port") {
        var splits = obj.value.split(".");
        if (splits.length != 4) return true;
        for (var i = 0; i < 4; i++)
            if (Number(splits[i]) > 255 || Number(splits[i]) < 0 || splits[i] == '') return true;
        return false;
    }
    else {		
        switch (obj.id) {
			
           
            case "Qam_Frequency":
                if (Number(obj.value) > 1000000 || Number(obj.value) < 57000)
                    return true;
                break;
            case "Qam_Power_Level":
                if (Number(obj.value) > 56 || Number(obj.value) < 30)
                    return true;
                break;
            case "TS_Id":
            case "Prog_Number":
            case "Prog_NumberB":
            case "Web_Port":
                if (Number(obj.value) > 65535 || Number(obj.value) < 1)
                    return true;
				if(document.getElementById("Prog_Number").value == document.getElementById("Prog_NumberB").value)
					return true;
                break;
            case "Pmt_Pid_Number":
            case "Pcr_Pid_Number":
            case "Video_Pid_Number":
            case "Audio_Pid_Number":
            case "Pmt_Pid_NumberB":
            case "Pcr_Pid_NumberB":
            case "Video_Pid_NumberB":
            case "Audio_Pid_NumberB":
				 
				 if (!checkPids(obj)){
					
                    return true;
				 }
                break;
            case "Video_Rate":
            case "Video_RateB":
                if (Number(obj.value) > 4000 || Number(obj.value) < 1000)
                    return true;
                break;
            case "Brightness":
            case "Contrast":
            case "Saturation":
            case "BrightnessB":
            case "ContrastB":
            case "SaturationB":
                if (Number(obj.value) > 255 || Number(obj.value) < 0)
                    return true;
                break;
        }
		
    }
    return false;
	
}

function checkPids(obj){
	if (Number(obj.value) > 8190 || Number(obj.value) < 21){		
		return false;
	}
	var chrSufix="";
	var isB=false;
	var pidsArr = ["Pmt_Pid_Number","Pcr_Pid_Number","Video_Pid_Number","Audio_Pid_Number"];
	if(obj.id.indexOf("_NumberB")>-1){
		chrSufix="B";
		isB = true;
	}
	for(var i = 0 ; i<pidsArr.length;i++){
		//check row
		if(pidsArr[i]+chrSufix == obj.id){
			if(isB){
				if( obj.form[pidsArr[i]].value == obj.value)	{
					return false;
				}
			}else{
				
				if( obj.form[pidsArr[i]+"B"].value == obj.value){	
					return false;
				}
			}
			continue;
		}
		if(obj.id == "Pcr_Pid_Number" + chrSufix || pidsArr[i] == "Pcr_Pid_Number" ) continue;
		//check col
		if( obj.form[pidsArr[i]+chrSufix].value == obj.value ){			
			return false;
		}
			
	}
	return true;
}
                

function NotNumbers(obj, net) {
    for (var i = 0; i < obj.value.length; i++) {
        if (net && obj.value.charAt(i) == '.')
            continue;
        else if (obj.value.charAt(i) > '9' || obj.value.charAt(i) < '0')
            return true;
    }
    return false;
}

function IsEmpty(obj) {
    return (obj.value == "");
}

function mark(obj) {
    obj.style.backgroundColor = "#FAAFBE";
}
function unMark(obj) {
    obj.style.backgroundColor = "";
}
function unMarkAll() {
    var frm = document.forms["formView"];
    for (var i = 0; i < frm.elements.length; i++) {
        if (frm.elements[i].id != "viewMsg")
            frm.elements[i].style.backgroundColor = "";
    }
}

function LockGroup(todo) {
    var obj = document.forms["formView"];
    obj["Qam_Modulation"].disabled = todo;
    obj["Qam_Bandwidth"].disabled = todo;
    obj["Qam_Interleaver"].disabled = todo;
    obj["Video_Standard"].disabled = todo;
    obj["Audio_Codec"].disabled = todo;
    obj["Video_StandardB"].disabled = todo;
    obj["Audio_CodecB"].disabled = todo;
    obj["portNumber"].readonly = todo;
    obj["portNumberB"].readonly = todo;
    obj = document.forms["formInfo"];
    obj["Serial_Number"].disabled = todo;
    obj["Mac_Address"].readonly = todo;
}

function LockAll(msg) {
    for (var i = 0; i < document.formView.elements.length; i++)
        document.formView.elements[i].disabled = true;
	for (var i = 0; i < document.formUpdate.elements.length; i++){       
		if(document.formUpdate.elements[i].type != "file"){
				document.formUpdate.elements[i].disabled = true;
		}
	}
	var msgStr = (msg==null)? msgStr= "DVISn configuration is in progress." : msg;
    document.forms["formView"]["viewMsg"].value = msgStr;
    document.forms["formView"]["busyImg"].style.visibility = "visible";
}

function UnLockAll() {
    for (var j = 0; j < document.forms["formView"].elements.length; j++)
        document.formView.elements[j].disabled = false;
	for (var i = 0; i < document.formUpdate.elements.length; i++){       
		document.formUpdate.elements[i].disabled = false;
	}
    var obj = document.forms["formView"];
    if(isExtExsit =="0"){
			obj["Prog_EnabledB"].checked = false;
			obj["Prog_EnabledB"].disabled = true;
			obj["Video_StandardB"].disabled = true;
			obj["Video_RateB"].disabled = true;
			obj["Video_ResolutionB"].disabled = true;
			obj["BrightnessB"].disabled = true;
			obj["ContrastB"].disabled = true;
			obj["SaturationB"].disabled = true;
			obj["Audio_CodecB"].disabled = true;
			obj["Audio_RateB"].disabled = true;
			obj["Prog_NumberB"].disabled = true;
			obj["Video_Pid_NumberB"].disabled = true;
			obj["Audio_Pid_NumberB"].disabled = true;
			obj["Pcr_Pid_NumberB"].disabled = true;
			obj["Pmt_Pid_NumberB"].disabled = true;
			obj["Vsync_Lock_EnableB"].disabled = true;	
		}

    LockGroup(true);
    dhcpHandle(document.formView.DHCP_Enable.checked);
    document.forms["formView"]["busyImg"].style.visibility = "hidden";
}

// file upload handlers
function startUpload(){	
	LockAll("DVISn version upload is in progress.");
	document.forms["formUpdate"].action = uploadURL;
	return true;
}

function completeUpload(response){
	//stop the progress bar event
	document.location.replace("uploadDone.html")
}