var EpochIndex = {
	Get : function () {
		var now = new Date;
		return now.getTime();
	}
};

function AJAX (targetURL, Callback) {
	
	var req = Init();
		
	req.onreadystatechange = ProcessRequest;

	function Init() {
		var strObjName = "";
		
		if (window.XMLHttpRequest) {
			return new XMLHttpRequest();
		}
		else if (window.ActiveXObject) {
			strObjName = navigator.appVersion.indexOf("MSIE 5.5") >= 0 ? "Microsoft.XMLHTTP" : "Msxml2.XMLHTTP";
			return new ActiveXObject(strObjName);
		}
		else {
			alert('ERROR: Could not initialize Ajax object. Your browser may not support XML HTTP Requests.');
		}
		return false;
	}

	function ProcessRequest () {
		if (req.readyState == 4 || req.readyState == "complete") {
			if (req.status == 200) {
				if (Callback) {
					Callback(req.responseText);					
				}
			}
			else {
				if (Callback) {
					Callback("There was an error retrieving server data: " + req.statusText);
				}
			}
		}		
	}

	this.GetRequest = function () {
		targetURL = targetURL.indexOf("?") < 0 ? targetURL + "?eI=" + EpochIndex.Get() : targetURL + "&eI=" + EpochIndex.Get();
		req.open("GET", targetURL, true);
		req.send();
	}

	this.PostRequest = function (formObj) {		
		var formData = "";
		var currElem;
		var currName;
		var currVal;
		var x;
		
		for(x=0; x<formObj.length; x++) {
			currElem = formObj.elements[x];
			currName = "";
			currVal = "";
			
			if (currElem.type == 'checkbox' || currElem.type == 'radio') {
				currVal = currElem.checked == true ? currElem.value : "";
				currName = currElem.checked == true ? currElem.name : "";
			}
			else {				
				currName = currElem.type != "button" ? currElem.name : "";
				currVal = currElem.value;
			}
			
			if (currName != "") {
				formData = formData != "" ? formData + "&" : formData;
				formData += currElem.name + "=" + escape(currVal);				
			}
			
		}
		
		req.open("POST", targetURL, true);
		req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");		
		req.send(formData);
	}

};


function PopulateDiv (divID, response) {
	var ref = document.getElementById(divID) ? document.getElementById(divID) : null;
	
	if (ref == null) {
		alert('WARNING: PopulateDiv() requested ID ' + divID + ' is out of scope!');
	}
	else {
		ref.innerHTML = response;
	}
}


// Backwards-compatibility with older apps:

function RequestDivData (targetURL, targetDiv) {
	var eI = EpochIndex.Get();
	var ajax;
	
	targetURL = targetURL.indexOf("?") < 0 ? targetURL + "?eI=" + eI : targetURL + "&eI=" + eI;
	
	ajax = new AJAX(targetURL, function(response){PopulateDiv(targetDiv, response)});
	ajax.GetRequest();
}


function FormProcessor (targetURL, targetDiv, formObj) {
	var ajax = new AJAX(targetURL, function(response){PopulateDiv(targetDiv, response)});	
	ajax.PostRequest(formObj);
}
//Mouse cursory functions
//written by Todd Morrison
//March 2010
//reptile@uwo.ca

var Cursory = {
	cursorX		: 0,
	cursorY		: 0,
	rX		: 0,
	rY		: 0,
	divOffsetX	: 10,
	divOffsetY	: 10,
	winWidth	: 0,
	winHeight	: 0,
	GetX	: function () {
		return this.cursorX;
	},
	GetY	: function () {
		return this.cursorY;
	},
	SetX	: function (v) {
		this.cursorX = v;
	},
	SetY	: function (v) {
		this.cursorY = v;
	},
	ShowXY	: function () {
		var message = this.cursorX.toString() + ", " + this.cursorY.toString();
		return message
	},
	SetDivAtCursor : function (divID) {		
		var divRef = document.getElementById(divID);
		var divWidth = parseInt(divRef.style.width);
		var setAtX;
		var setAtY;
		
		//TO DO: Add Auto-Justify (if dialog extends past browser edges, adjust as necessary)
		//Get Browser window's current dimensions		
		this.BrowserDim();

		if (self.pageYOffSet) {
			this.rX = self.pageXOffset;
			this.rY = self.pageYOffset;
		}
		else if (document.documentElement && document.documentElement.scrollTop) {
			this.rX = document.documentElement.scrollLeft;
			this.rY = document.documentElement.scrollTop;
		}
		else if (document.body) {
			this.rX = document.body.scrollLeft;
			this.rY = document.body.scrollTop;			
		}

		if (document.all) {
			this.cursorX += this.rX;
			this.cursorY += this.rY;
		}
		
		
		setAtX = this.cursorX + this.divOffsetX;
		setAtY = this.cursorY + this.divOffsetY;
		
		//if div extends beyond browser window width, move div to setAtX - divWidth
		if ((divWidth + setAtX) > this.winWidth) {
			setAtX -= divWidth;			
		}
		
		setAtX = setAtX < 0 ? 5 : setAtX; // a bit of space is nice...
		setAtY = setAtY < 0 ? 5 : setAtY;
	
		divRef.style.left = setAtX.toString() + "px";
		divRef.style.top = setAtY.toString() + "px";
		
	},
	SetDivAtHorizontalCentre : function (divID) {
		
	},
	BrowserDim : function () {

		// standards-compliant
		if (typeof window.innerHeight != 'undefined') {
			this.winWidth = window.innerWidth;
			this.winHeight = window.innerHeight;
		}
		// IE6 standards-compliant
		else if (typeof document.documentElement != 'undefined' &&
				typeof document.documentElement.clientWidth != 'undefined' &&
				document.documentElement.clientWidth != 0) {
			
			this.winWidth = document.documentElement.clientWidth;
			this.winHeight = document.documentElement.clientHeight;
		}
		else {
			this.winWidth = document.getElementsByTagName('body')[0].clientWidth;
			this.winHeight = document.getElementsByTagName('body')[0].clientHeight;
		}
	}
} //


function UpdateCursorPosition (e) {
	
        if (document.all) {
		Cursory.SetX(event.clientX);
		Cursory.SetY(event.clientY);		
        }
        else {
		Cursory.SetX(e.pageX);
		Cursory.SetY(e.pageY);
        }
		
} //


// deprecated July 2017:
// document.onmousemove = UpdateCursorPosition;
document.addEventListener("mousemove", UpdateCursorPosition);

// Work Request Form v2 Javascript functions library
// written by Todd Morrison
// September 2013
// reptile@uwo.ca

var WR = {
    submitInProgress : 0,
    AppLoad : function (targetURL, targetDiv, statusID, loadingIconID, message) {
        var ajax;
        
        //ajax = new AJAX(targetURL, function(response){  Wrdb2.LoadingMessage(statusID, loadingIconID, ""); Wrdb2.DivWrite(targetDiv, response); Wrdb2.GetDOMref("appRoot").scrollIntoView(); });
        ajax = new AJAX(targetURL, function(response) {
            WR.LoadingMessage(statusID, loadingIconID, "");
            WR.DivWrite(targetDiv, response);            
        });
        
        this.LoadingMessage(statusID, loadingIconID, message);
        ajax.GetRequest();
    },
    LoadingMessage : function (targetID, iconID, message) {
        var ref = this.GetDOMref(targetID);
        
        if (message != "") {            
            ref.innerHTML = document.getElementById(iconID).innerHTML + " " + message;
        }
        else {
            ref.innerHTML = "";
        }
        
    },
    FormInsertValuesByID : function (fieldArrayData) {
        var idValuePair = [];
        var ref;
        var x;
        
        for(x=0; x<fieldArrayData.length; x++) {
            idValuePair = fieldArrayData[x].split("~");
            
            if (document.getElementById(idValuePair[0])) {
                ref = document.getElementById(idValuePair[0]);
                
                if (idValuePair[0].toUpperCase() == "CLIENTROLE" && idValuePair[1] != "") {		                        
		    this.SetClientRole(idValuePair[1]);    
                }
                else {                
                    ref.value = idValuePair[1];
                }
            }
        }
    },
    SetClientRole : function (setToValue) {
        var ref         = document.getElementById("clientRole");        
        var found       = 0;
        var valIndex    = -1;
        var undefIndex  = -1;
        var setIndex;
        var x;
        
        
        for(x=0; x<ref.length; x++) {
            if (ref[x].value.toUpperCase() == setToValue.toUpperCase()) {                          
                found = 1;
                valIndex = x;
            }
            
            if (ref[x].value.toUpperCase() == "UNDEFINED") {
                undefIndex = x;
            }
        }
        
        
        setIndex = found == 1 ? valIndex : undefIndex;        
        ref.selectedIndex = setIndex;
        
    },
    ButtonUnlock : function (inputObjArray) {
        var btID = inputObjArray.pop();
        var incomplete = 0;
        var newState;
        var x;
        
        for(x=0; x<inputObjArray.length; x++) {
            incomplete = this.GetDOMref(inputObjArray[x]).value == '' ? incomplete + 1 : incomplete;
        }
        
        newState = incomplete == 0 ? false : true;
        this.GetDOMref(btID).disabled = newState;
        
    },    
    ValidateForm : function (formName, idAmorphDialog) {
	var ccList	= [];
	var jqID	= '#' + idAmorphDialog;
        var formRef     = document.forms[formName];
        var warningRef  = document.getElementById('iconWarning') ? document.getElementById('iconWarning') : null;
        var formError   = 0;
        var messageRef;        
        var currElem;
        var required;
        var messageID;
        var fieldLabel;
        var message;
        var currAddr;
        var attachSizeMessage;
        var x;
        var y;
        
        if (this.submitInProgress == 1) {            
           return false;
        }
        
        for(x=0; x<formRef.length; x++) {
            currElem = formRef.elements[x];            
            required = currElem.getAttribute('data-field-required') ? currElem.getAttribute('data-field-required') : 'yes';
            fieldLabel = currElem.id;
	    
            if ((currElem.type != 'button' && currElem.type != 'radio' && currElem.type != 'hidden') && currElem.value == '' && required == 'yes') {                
                formError = 1;                                
                message = "Please ensure that the <b>" + fieldLabel + "</b> field is complete.";                                
            }
            else if (currElem.id.toUpperCase().indexOf("MAIL") >= 0 || currElem.id.indexOf("CC") >= 0) {
                if (currElem.id.toUpperCase().indexOf("CC") >= 0) {
                    if (currElem.value != "") {
                        ccList = currElem.value.split(",");
                        for (y=0; y<ccList.length; y++) {
                            currAddr = ccList[y];			    
                            currAddr = currAddr.replace(/ /g, "");
                            if (this.CheckEmailAddress(currAddr) == 1) {
                                formError = 1;
                                message = ccList.length > 1 ? "Please ensure that the specified email addresses in the CC field are properly formatted." : "Please ensure that the specified email address in the CC field is properly formatted.";
                            }
                        }
                    }
                }
                else if  (this.CheckEmailAddress(currElem) == 1) {
                    formError = 1;
                    message = "Please ensure that the specified email address is properly formatted.";
                }
            }
            else if (currElem.id.toUpperCase().indexOf("ATTACHMENT") == 0 && currElem.value != "") {                
                attachSizeMessage = this.AttachmentFileSizeExceeded(currElem.id, 0, idAmorphDialog);                
                formError = attachSizeMessage !== "" ? 1 : formError;                
                message = attachSizeMessage;
            }
            
            if (formError == 1) {                              
                this.AmorphDialogHandler(idAmorphDialog, 'Form Validation Message', message, 'OK', function() { $(jqID).modal('hide'); document.getElementById(currElem.id).focus(); });
                currElem.focus();
                return false;    
            } 
        }
        
        if (this.submitInProgress == 0) {
            
            if (formError == 0) {
                
                if (document.getElementById("CLIENTEMAIL")) {
                    this.GetDOMref("CLIENTEMAIL").innerHTML = formRef.elements["mail"].value;
                }
                
                if (document.getElementById("ADDITIONALINFO") && formRef.elements["sendCC"] && formRef.elements["sendCC"].value !== "" ) {
                    var ccList = formRef.elements["sendCC"].value.split(",");
                    var textReceipt = ccList.length == 1 ? "a receipt" : "receipts";
                    this.GetDOMref("ADDITIONALINFO").innerHTML = "<br><br>Additionally, " + textReceipt + " will be issued to the following: <b>" + formRef.elements["sendCC"].value + "</b>.";
                }
                
                $('#modalSubmit').modal({
                    show: true
                }); 
            }
        }
        
    },
    ValidateIDinputField : function (idUserInput, idButton, tidLength, ridLength, idMessage, func) {
        
        var userSuppliedID  = document.getElementById(idUserInput) ? document.getElementById(idUserInput).value : "";
        var message = "";
        var ref;

        ref = document.getElementById(idMessage) ? document.getElementById(idMessage) : null;
        
        if (userSuppliedID.length != ridLength) {                                    
            // March 2016: it is assumed that supplied ticket ID's will be RID's, so...
            message = "ticket ID's are " + ridLength.toString() + " characters in length.";
            if (ref == null) {
                alert(message);
            }
            else {
                ref.style.display = "block";
            }
        }
        else if (typeof func === 'function') {            
            if (ref != null) {
                ref.innerHTML = "";
            }
            func();
        }
        
    },
    SubmitConfirmed : function (formName) {
        var processingMessageDOMid = document.getElementById("loadingMessage") ? document.getElementById("loadingMessage") : null;
        
        if (WR.submitInProgress != 1) {
            if (processingMessageDOMid !== null) {
                processingMessageDOMid.style.display = "block";                
            }
            document.forms[formName].submit();        
            WR.submitInProgress = 1;
        }
    },
    CheckEmailAddress : function (formObj) {
        var email   = typeof formObj == 'object' ? formObj.value : formObj;        
        var pattern = /^[a-zA-Z0-9_\-\.]+@[a-zA-Z0-9_\-]+?[a-zA-Z0-9\.]+\.[a-zA-Z]{2,3}$/;
        var error   = 0;
        
        error = email.match(pattern) == null ? 1 : 0;
        
        return error;
    },    
    GetDOMref : function (id) {
        var ref = document.getElementById(id);
        return ref;
    },
    DivWrite : function (targetDiv, message) {
        var ref = this.GetDOMref(targetDiv);
        ref.innerHTML = message;
    },    
    DivHide : function (targetID) {
        this.GetDOMref(targetID).style.display = "none";    
    },
    DialogToggle : function (dialogID) {
        var ref = document.getElementById(dialogID);
        var state = "";
        
        if (ref.style.display == "none") {
            Cursory.SetDivAtCursor(dialogID);
            ref.style.display = "block";
            state = "block";
        }
        else {
            this.DivHide(dialogID);
            state = "none";
        }
    },
    AmorphDialogHandler : function (idDialog, titleText, bodyText, btnLabel, btnFunc) {
	var jqID 	= '#' + idDialog;
	var refTitle	= idDialog + "Title"; 
	var refBody	= idDialog + "Body";
	var refButton	= idDialog + "Button";
	
	refTitle = document.getElementById(refTitle) ? document.getElementById(refTitle) : null;
	refBody = document.getElementById(refBody) ? document.getElementById(refBody) : null;
	refButton = document.getElementById(refButton) ? document.getElementById(refButton) : null;
	
	if (refTitle != null) {
	    refTitle.innerHTML = titleText;
	}
	
	if (refBody != null) {
	    refBody.innerHTML = bodyText;
	}
	
	if (refButton != null) {
	    refButton.innerHTML = btnLabel;
	    if (typeof btnFunc === 'function') {
		refButton.onclick = btnFunc;
	    }
	}
	
	$(jqID).modal({
	    show: true
        }); 	
	
    },
    EnterKeyHandler : function (event, Callback) {
        var charCode = window.event ? window.event.keyCode : event.which;
        if (charCode == 13) {            
            Callback();
        }
        return true;
    },
    AttachmentFileSizeExceeded : function (inputDOMid, context, idAmorphDialog) {
        // returns an error message if size exceeded
        var nameListDOMid       = inputDOMid + "list";
        var totalSizeDOMid      = inputDOMid + "totalsize";
        var domRef              = document.getElementById(nameListDOMid) ? document.getElementById(nameListDOMid) : null;
        var maxAttachmentsSize  = document.getElementById("maxAttachmentsSize") ? document.getElementById("maxAttachmentsSize").value : -1;        
        var humanMaxAttachSize  = maxAttachmentsSize !== -1 ? this.ConvertBytesToXBytes(maxAttachmentsSize) : "unspecified";
        var attachmentSize      = 0;
        var sizeExceeded        = 0;
        var humanAttachSize     = ""; // report size measurement in a manner that is easy on human eyes, e.g. KB, MB
        var message             = "";
        var jqID	            = '#' + idAmorphDialog;
        var btLabelReset        = "Reset";
        var verbosity;
        var fileCount;
        var attachText;
        var i;
        
        // context: called as part of form validation, or from form control
        // 0 = form validation; 1 = form control
        
        if (typeof FileReader !== "undefined") {
            if (document.getElementById(inputDOMid)) {
                
                fileCount = document.getElementById(inputDOMid).files.length;
                
                // reset file list message
                if (domRef !== null) {
                    domRef.innerHTML = "";
                }
                
                for (i=0; i<fileCount; i++) {
                    attachmentSize += document.getElementById(inputDOMid).files[i].size;
                    
                    // display dynamic list of files; file multi inputs show filename for single file input and "X files selected" for multiples
                    if (fileCount > 0 && domRef !== null) {
                        attachedText = fileCount == 1 ? "Attached File: " : "Attached Files: ";
                        domRef.innerHTML = i == 0 ? attachedText : domRef.innerHTML;
                        domRef.innerHTML += document.getElementById(inputDOMid).files[i].name;
                        if (i < fileCount - 1) {
                            domRef.innerHTML += ", ";
                        }
                    }
                }
                
                humanAttachSize = this.ConvertBytesToXBytes(attachmentSize);
                                
                if (document.getElementById(totalSizeDOMid)) {
                    document.getElementById(totalSizeDOMid).style.color = "#000";
                    document.getElementById(totalSizeDOMid).innerHTML = "(" + humanAttachSize + ")";
                }
                
                if (attachmentSize > maxAttachmentsSize) {
                    document.getElementById(totalSizeDOMid).style.color = "#F00";
                    verbosity = fileCount > 1 ? "The attached files are" : "The attached file is";
                    message = "Maximum attachment file size limit of " + humanMaxAttachSize + " exceeded. " + verbosity + " " + humanAttachSize + " in size. ";
                    message += "Click the " + btLabelReset + " button to reset the attached file list.";
                    sizeExceeded = 1;
                    
                    // trigger dialog
                    if (context == 1) {
                        this.AmorphDialogHandler(idAmorphDialog, 'Attachment File Size Warning', message, btLabelReset, function() { WR.AttachmentResetField(inputDOMid); $(jqID).modal('hide'); document.getElementById(inputDOMid).focus(); });
                    }
                }
                
            }
        }
        
        return message;
    },
    AttachmentResetLinkToggle : function (inputID) {
        var refInput = document.getElementById(inputID) ? document.getElementById(inputID) : null;
        var resetID = inputID + "reset";
        var refLink = document.getElementById(resetID) ? document.getElementById(resetID) : null;
        var newState;
        
        if (refInput !== null && refLink !== null) {
            newState = refInput.value !== "" ? "inline" : "none";
            refLink.style.display = newState;
        }
        
    },
    AttachmentResetField : function (inputID) {
        var refInput    = document.getElementById(inputID) ? document.getElementById(inputID) : null;
        var listID      = inputID + "list";
        var totalSizeID = inputID + "totalsize";
        
        if (refInput !== null) {
            refInput.value = "";
            
            // list
            if (document.getElementById(listID)) {
                document.getElementById(listID).innerHTML = "";
            }
            
            // size
            if (document.getElementById(totalSizeID)) {
                document.getElementById(totalSizeID).innerHTML = "";
            }
            this.AttachmentResetLinkToggle(inputID);            
        }
        
    },
    ConvertBytesToXBytes : function (numBytes) {
        var convertedBytes;
        var xb = "";
        
        convertedBytes = !isNaN(numBytes) ? numBytes : -1;
        
        if (convertedBytes !== -1) {
            convertedBytes = numBytes < Math.pow(10, 6) ? convertedBytes / Math.pow(10, 3) : convertedBytes; // KB            
            convertedBytes = numBytes >= Math.pow(10, 6) ? convertedBytes / Math.pow(10, 6) : convertedBytes; // MB
            convertedBytes = Math.round(convertedBytes);            
        }
        
        xb = numBytes < Math.pow(10, 6) ? "KB" : "MB";
        xb = convertedBytes == -1 ? "" : xb;
        xb = convertedBytes.toString() + " " + xb;
        
        return xb;
        
    },
    ParsePrivConfigData : function (requestTypeIndexDOMid, sg) {
        var ref = document.getElementById(requestTypeIndexDOMid) ? document.getElementById(requestTypeIndexDOMid) : null;
        var requestTypePrivConfig = null;
        var targetData = null;
        var data = null;
        var field;
        var x;
        
        if (ref !== null) {
        	requestTypePrivConfig = ref.innerHTML;
			requestTypePrivConfig = requestTypePrivConfig.replace(/(?:\r\n|\r|\n)/g, '');           
			requestTypePrivConfig = JSON.parse(requestTypePrivConfig);

            for(x=0; x < requestTypePrivConfig.length; x++) {
                data = requestTypePrivConfig[x];
                if (data.securityGroup) {
                    
                    if (sg !== "") {
                        targetData = data.securityGroup == sg ? data : targetData;                        
                    }                    
                    else {
                        // securityGroup not specified, use default configuration                        
                        targetData = data; 
                    }
                }
            }
            
            // set fields
            if (targetData !== null) {
                for(field in targetData) {
                    if (document.getElementById(field)) {
                        document.getElementById(field).value = targetData[field];
                    }
                }
            }
        }
    },
    PrivConfigSetFields : function (selObj) {
        var privReqTypeIndexDivID = selObj.value;
        var selectedOptionLabel = selObj[selObj.selectedIndex].text;
        var sgPattern = /\(([^)]+)\)$/; // option pattern that may be found in select option label
        var regExResult;
        var sg = ""; // secGroup
        
        regExResult = selectedOptionLabel.match(sgPattern);
        sg = regExResult !== null && regExResult.length == 2 ? regExResult[1] : "";
        
        this.ParsePrivConfigData(privReqTypeIndexDivID, sg);
    },
    FilterWhitespace : function (inputObj) {
        var ref = null;
        
        if (typeof inputObj === "object") {
            ref = inputObj;
        }
        else if (typeof inputObj === "string") {
            ref = document.getElementById(inputObj) ? document.getElementById(inputObj) : null;
        }
        
        if (ref !== null) {
            ref.value = ref.value.replace(/ /g, "");
        }
        
    }
};