/********************************************************************************************************************************
* Licensed Materials - Property of IBM                                                                                          *
*                                                                                                                               *
* IBM Cognos Products: AGS                                                                                                      *
*                                                                                                                               *
* (C) Copyright IBM Corp. 2005, 2021                                                                                            *
*                                                                                                                               *
* US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. *
*********************************************************************************************************************************/

var functionsTree = null;
var QOS_UNAVAILABLE = "unavailable";
var QOS_RESTRICTED = "restricted";
var QOS_LIMITED = "limited";
var QOS_OK = "OK";

var FUNCTION_ROOT_START = "functionRoot-start";
var FUNCTION_ROOT_END = "functionRoot-end";
var FUNCTION_GROUP_START = "group-start";
var FUNCTION_GROUP_END = "group-end";
var FUNCTION_FUNCTION = "function";

var FUNCTION_TYPE_FUNCTION = "function";
var FUNCTION_TYPE_SUMMARY = "summary";
var FUNCTION_TYPE_OPERATOR = "operator";
var FUNCTION_TYPE_LITERAL = "literal";
var FUNCTION_TYPE_OPERATION = "operation";

// normal response
var FUNCTION_FUNCTIONS_ROOT = "functionsRoot";
var FUNCTION_GROUP = "group";
var FUNCTION_FUNCTION = "function";
var FUNCTION_ATTR_NAME = "name";
var FUNCTION_ATTR_QOSLEVEL = "qosLevel";
var FUNCTION_ATTR_DROPTEXT = "dropText";
var FUNCTION_ATTR_SYNTAX = "syntax";
var FUNCTION_ATTR_TIP = "tip";
var FUNCTION_ATTR_TYPE = "type";
var FUNCTION_ATTR_ID="id";

//function ids
var MEMBER_SEARCH_IN_HIERARCHY = "MEMBER_SEARCH_IN_HIERARCHY";

// an array of nodes that are to be loaded. we need the array
// as the passport might have expired
var loadingfunNodes = new Array();

// utility function
function getFunctionDataRequestString(model) 
{
	var sURL = "";
	
	var clk = "cl";
	var plk = "pl";
	var locales = getLocales(clk, plk);	
	
	sURL += URIEncode(clk, locales[clk]);
	sURL += URIEncode(plk, locales[plk]);
	
	sURL += URIEncode("model", model);
	sURL += URIEncode("inlineSpecType","reportServiceMetadataSpecification");
	sURL += URIEncode("method", "runSpecification");
	sURL += URIEncode("prompt", "false");
	sURL += URIEncode("parameterValues", getConnectionParameterValues());

	// return the request
	return sURL;
}

function promptFunctionResponse(parameters, response, conversation, clientContext, tracking)
{
	if (response == "Cancel" || response == "Error")
	{
		// this is reasonable in this instance - we wouldn't be able to load the metadata tree 
		// if we cancel out.
		closeAGS();
	}
	else
	{
		//re write any parameterValues saved
		saveParameterValues(parameters);
		
		// send the context and the final response from prompts back
		var request = getFunctionDataRequestString()
		request += URIEncode("context", clientContext);
		request += URIEncode("promptResponse", response);
        request += URIEncode("disp_trackingInfo", tracking);       
		
		// hide the dialog frame and pop up frame(and make sure they dont re open)
		showDialogFrame(0);
		doSetPopUpClosureFlag();
		// resubmit the request
		setTimeout("doFunctionDataRequest('" + request + "');", 100);
	}
}

//at this point, we will have been through the meta data request
//and may have connection parameter values to pass
function doFunctionDataRequest(request) 
{   
	// build up the URL
	var url = "b_action=xts.run";
	url += URIEncode("m","/ags/async/asyncConv.xts");
	url += URIEncode("buildRequestXTS","/ags/async/functionTreeRequest.xts");
	url += URIEncode("buildResponseXTS","/ags/async/functionTreeResponse.xts");
	url += URIEncode("paramterValues",getConnectionParameterValues());
	// force a SOAPFault for passport expire rather than getting a logon page
	url += URIEncode("forceSOAPFault","false");
	url += request;
    
	if (cafContextId != "") {
		url += URIEncode("cafcontextid",cafContextId);
	}
    
    try{
    	// send off the resquest
    	sendDispatcherRequestWithXMLTextResponse(url, functionDataXMLTextResponse);
	}catch(ex){
        applicationActionManager.httpStop();    
    }
}

// the double click function
function doubleClickF(evt)
{	
	insertStartMC(undefined, evt);
}

// the single click function
function singleClickF(evt)
{
    //Create dummay function.
    var selectedFunction = new fnFunction("", "", "","", "", "");

    // get the node which has been selected.
    var selectedFunctionNodes = functionsTree.getSelectedLeafNodes();
    // this should always be the case - we set the tree up to force single selection
    if (selectedFunctionNodes.length == 1) {
        var selectedFunctionNode = selectedFunctionNodes[0];
        // we've got the tree node - get the object it's carrying
        selectedFunction = selectedFunctionNode.getValue();
	}

    // have to update the information in the tip window
    displayInformationTip(selectedFunction);
}

//this function is called when the Function tab is clicked
//it is called by changeMenu() in the layout.js library
function doFunctionTree() {

	var cmLastModel = cfgGet("cmLastModel");
	if (cmLastModel != null && cfgGet("queryLoaded"))
	{
		if (functionsTree == null)
		{
			if (browserCheck.isNav6Up())
			{
				document.getElementById("functionsTreeContainer").addEventListener("mouseup", function(e) {if(e.target.toString().indexOf("XULElement") > -1){e.cancelBubble = true;return false;}}, true);
				document.getElementById("functionsTreeContainer").addEventListener("dragover", function(e) {cancelBub(e);}, true);
				document.getElementById("functionsTreeContainer").addEventListener("dragdrop", function(e) {cancelBub(e);}, true);
			}
			var functionsTreeNode = document.getElementById("functionsTreeContainer");
			// at this point - this is the only node with this id
			functionsTreeNode.setAttribute("container", "true");
			functionsTreeNode.setAttribute("tabindex", "-1");
			// now create and render the tree
			functionsTree = new CTree (functionsTreeNode, "", false, true, "functionsTree");
			functionsTree.setLoadOnTheFlyFunction(functionPushAndLoadFunc);
			functionsTree.setSelectionMode(SINGLE_TREE_SELECTION);
			functionsTree.setSelectTreeUI(NORMAL_TREE);
			functionsTree.setAllowDragDrop(true);
			functionsTree.setOnDragStart(onDragStartF);
			functionsTree.setOnDrag(onDragF);
			functionsTree.setOnDragEnd(onDragEndF);
			functionsTree.setTrackSelectionOrder(true);
			functionsTree.setHideOuterTable(true);
			//functionsTree.setForceSelectionAtLowestLevel(true);
			functionsTree.setContextMenu(function contextMenu(){return false;});
			// get the function tree to update tips section of condition dialog
			functionsTree.setSingleClickFunc(singleClickF);
			functionsTree.setDoubleClickFunc(doubleClickF);
			functionsTree.setAllowSelectionToggle(true);
			functionsTree.drawAll();
			functionsTree.checkData();
		}
	}
	else 
		setTimeout(doFunctionTree, 250);
}

function reloadFunctionsTree()
{
    if (cfgGet("reloadFunctionsTree") != null) {
        resetFunctionsTree();
        // load it up again 
        doFunctionTree();
    } else {
        // pop the command stack
        setTimeout("getCommandStackManager().processCommandStack()", 100);    
    }
    // clear out the flag
    cfgRemove("reloadFunctionsTree");
}

function resetFunctionsTree()
{
	if (functionsTree != null) {
		// we have to remove the tree
		functionsTree = null;
		// remove the rendering of the tree
		removeTreeRendering("functionsTreeContainer");
		// reset this - not sure why though
		draggedTreeObj = null;
		// say that we've not loaded the tree
		cfgSet("META_FunctionTreeLoadedFirstTime",null);
	}
}

function functionPushAndLoadFunc(loadingNode)
{
    loadingfunNodes.push(loadingNode);
    functionLoadFunc(loadingNode);
}

function functionLoadFunc(loadingNode)
{
           
    applicationActionManager.httpStart();
    
	if (cfgGet("META_FunctionTreeLoadedFirstTime") == null)
	{
		cfgSet("META_FunctionTreeLoadedFirstTime", "loading");
		var request = getFunctionDataRequestString(cfgGet("cmLastModel"));
		doFunctionDataRequest(request);
	}
	else if (cfgGet("META_FunctionTreeLoadedFirstTime") != "loading")
	{
		var request = getFunctionDataRequestString(cfgGet("cmLastModel"));
		doFunctionDataRequest(request);
	}
}

// if no node is to be loaded, tidyup the tree otherwise load the nodes
function checkfunPassportStatus() {
    // no node is in the load mode
    if (loadingfunNodes.length < 1 ) {
        tidyFunctionsTree();
    } else {
        // load all the nodes waiting to be loaded
        while (loadingfunNodes.length > 0) {
            var theLoadingNode = loadingfunNodes.pop();
            functionLoadFunc(theLoadingNode);
        }
    }
}

// add the command to load the nodes to the stack
function addTofunStack()
{
    var treeCommand = getCommandStackManager().createCommandStack("checkfunPassportStatus()");
    var currentStack = getCommandStackManager().getCommandStack();
    var newStack = currentStack.concat(treeCommand);
    getCommandStackManager().setCommandStack(newStack);
}

function functionDataXMLTextResponse(responseArray)
{
    // get the values returned
    var responseXML = responseArray[0];
    var responseText = responseArray[1];

    var workingRoot = responseXML.getElementsByTagName(ASYNC_WORKING);
    var promptingRoot = responseXML.getElementsByTagName(ASYNC_PROMPTING);
    var functionsRoot = responseXML.getElementsByTagName(FUNCTION_FUNCTIONS_ROOT);
    
    var httpStop = true;
    
    // the loading nodes should be remembered only if passport has expired
    var keeploadingfunNodes = false;


    var parsedResponse = parseResponse(responseXML,responseText);
    // decide what we're going to do
    //This is a case when getContent in asyncConv faults with either session expiry or
    //external logon to a different name space fault.
    if (parsedResponse.isLogonFault()) {
        doPassportExpire(responseXML,addTofunStack,parsedResponse);

        // load the nodes after login succeeds
        keeploadingmdtNodes = true; 
    } else if (parsedResponse.isSoapFault()) {
        if (parsedResponse.isCancelledWait()) {
            //This was a server cancelled wait. We need to resubmit. This could happen
            //if we have a SSO on and we hit an password protected external datasource,
            //The dispacther will fire the same request again, in this wait fired twice
            //Will cancel conversation if first wait fails. WO1903, WO2338
            getCommandStackManager().getCommandStack().push("reloadFunctionsTree()");
            setTimeout("getCommandStackManager().processCommandStack()", 100);
        } else {
            // we have a fault which is a genuine fault fault
            doSOAPFault(responseXML,tidyFunctionsTree,parsedResponse);
        }
    } else if (workingRoot.length == 1) {
	    httpStop = false;
        // we have a working response
        doWorking(workingRoot[0], "doFunctionDataRequest");
    } else if (promptingRoot.length == 1) {
        // are we prompting - promptFunctionResponse
        doPrompting(promptingRoot[0], 1);
    } else if (functionsRoot.length == 1) {
        // we have the actually information
        // clear the response
        response = "";
        buildFunctionRoot(functionsRoot[0].childNodes[0]);
    } else {
        tidyFunctionsTree();

        if (parsedResponse.isHTML() && !parsedResponse.isEmptyBody()) {
            // check the text response to see if we got a html page back in the response
            doHTMLResponse(responseText);
        } else {	    
            alert(asyncFunctionError_string);
        }
    }
    if(httpStop){
        applicationActionManager.httpStop();    
    }
    
    if (keeploadingfunNodes == false) {
	    //empty the array
	    loadingfunNodes.splice(0, loadingfunNodes.length);
	}
}

function tidyFunctionsTree() {
    resetFunctionsTree();
    var treeContainer = document.getElementById("functionsTreeContainer");
    if (treeContainer) {
       var html = '<a href="#" class="menuItem_normal" onclick="refreshFunctionsTree()">' + refresh_string + '</a>';
       treeContainer.innerHTML = html;
    }
}

function refreshFunctionsTree() {
    removeTreeRendering('functionsTreeContainer');
    doFunctionTree();
}

function buildChildNodes(obj, parentNode)
{
	// get all the childNodes
	for (var i = 0; obj.childNodes != null && i < obj.childNodes.length; ++i) {
		var qosLevel = obj.childNodes[i].getAttribute(FUNCTION_ATTR_QOSLEVEL);
		if (!(qosLevel == QOS_UNAVAILABLE)) {
			if (obj.childNodes[i].nodeName == FUNCTION_GROUP) {
				buildFunctionGroup(obj.childNodes[i], parentNode);
			}
			if (obj.childNodes[i].nodeName == FUNCTION_FUNCTION) {
				buildFunctionFunction(obj.childNodes[i], parentNode);
			}
		}
	}
}

function buildFunctionRoot(obj)
{
    try {
	    functionsTree.getRootNode().setName(functionRoot_string);
	    functionsTree.setRootNodeType(tntFunctionRoot);
	    functionsTree.setRootNodeShowing(true);
	    functionsTree.drawAll();
	    // decode all the childNodes
	    buildChildNodes(obj, functionsTree.getRootNode());
	    // we've finished loading - so remove loading and redraw
	    var rootNode = functionsTree.getRootNode();
	    functionsTree.childrenReadyForNode(rootNode);
	    // we've loaded this up now	
	    cfgSet("META_FunctionTreeLoadedFirstTime", true);
    }
    catch (ex) {
        console.error(ex);
        applicationActionManager.httpStop();
    }
	setTimeout("getCommandStackManager().processCommandStack();", 100);
}

function buildFunctionGroup(obj, parentNode)
{
    var name = obj.getAttribute(FUNCTION_ATTR_NAME);
	if (name != "") {
		// get the attributes of the group element
		var qosLevel = obj.getAttribute(FUNCTION_ATTR_QOSLEVEL);
		// build the group Tree Node
		var groupObj = new fnGroup(name, qosLevel);
		var groupNode = new CTreeNode(parentNode, tntGroup, false, name, groupObj,  false);
		// have to set the indicator for the node
		setNodeIndicator(groupNode, qosLevel);
		// have to set the node as being loaded as well - if there's a folder which doesn't have 
		// children it will invoke the load on the fly function which is not needed for the function tree
		groupNode.setLoading(true);
		// set the tool tip
		groupNode.setTooltip(name);
	}

    buildChildNodes(obj, groupNode);
}

function buildFunctionFunction(obj, parentNode)
{
    var id = obj.getAttribute(FUNCTION_ATTR_ID);
    var type = obj.getAttribute(FUNCTION_ATTR_TYPE);
    
    //get the qosLevel for hierarchy searches
    if (type==FUNCTION_TYPE_OPERATION && id==MEMBER_SEARCH_IN_HIERARCHY) {
        cfgSet(MEMBER_SEARCH_IN_HIERARCHY,obj.getAttribute(FUNCTION_ATTR_QOSLEVEL));
    }

	if (obj.getAttribute(FUNCTION_ATTR_NAME) != "") {
		// get the attributes of the function
		var dropText = obj.getAttribute(FUNCTION_ATTR_DROPTEXT);
		var name = obj.getAttribute(FUNCTION_ATTR_NAME);
		var syntax = obj.getAttribute(FUNCTION_ATTR_SYNTAX);
		var tip = obj.getAttribute(FUNCTION_ATTR_TIP);
		var qosLevel = obj.getAttribute(FUNCTION_ATTR_QOSLEVEL);
			
		// build the function object
		var useType = (type == "" ? dropText : type);
		var tntType;
		if (useType == FUNCTION_TYPE_OPERATOR) {
			tntType = tntOperator;
		} else if (useType == FUNCTION_TYPE_SUMMARY) {
			tntType = tntSummary;
		}else if (useType == FUNCTION_TYPE_LITERAL) {
			tntType = tntLiteral;
		}else if (useType == FUNCTION_TYPE_FUNCTION) {
			tntType = tntFunction;
		}

		var funcObj = new fnFunction(dropText, name, syntax, tip, type, qosLevel);
		var funcNode = new CTreeNode(parentNode, tntType, false, name, funcObj, false);
		// have to set the indicator for the node
		setNodeIndicator(funcNode, qosLevel);
		// set the tool tip			
		funcNode.setTooltip(tip);
	}
}

function setNodeIndicator(node, qosLevel)
{
	// only do this if the correct function is in PRMT tree
	if (node.setIndicator) {
		if (qosLevel == QOS_UNAVAILABLE) {
		} else if (qosLevel == QOS_RESTRICTED) {
			node.setIndicator("../ags/images/tree/qosLevel_restricted.gif");
		} else if (qosLevel == QOS_LIMITED) {
			node.setIndicator("../ags/images/tree/qosLevel_limited.gif");
		} else if (qosLevel == QOS_OK) {
		}
	}
}

function functionTreextsError(m) 
{
	// forward it
	functionsTree.xtsError(m);
}