// Licensed Materials - Property of IBM
//
// IBM Cognos Products: pps
//
// (C) Copyright IBM Corp. 2005, 2017
//
// US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
//This JavascriptFile wraps the admin tool command syntax used for administrative requests

var ADM_GET	= 100;
var ADM_SET	= 101;
var ADM_RESET_BELOW	= 114;
var ADM_GETOBJECTCHILDREN = 126;

var ADM_COM_errorMessage = "Communication failure";

var ADM_COM_ERROR_NODE = "error";

var ADM_RETURN_TYPE_ATTTREE = 0;

function AdminCommandRec(command,returnFunc,returnType) {
	this.command = command;
	this.returnFunc = returnFunc;
	this.returnType = returnType;
}

//This class provides a communication API to the ppes server

function AdminCommands() {
	
	var xmlCom = new xmlCommunicator(this);
	var attStreamer = new AttributeTreeStreamer();
	var resultXML = null;
	
	var commandQueue= new Array();
	var commandInProgress = false;
	var commandQueueLength = 0;
	var commandInterval = null;
	
	//Public Methods

	this.GetObjProperties = function(objName, returnFunc) {
		var commandAttTree = new AttributeTree();
		
		commandAttTree.addInt("type",ADM_GET);
		commandAttTree.addString("object",objName);
		
		if (returnFunc)
			//Non blocking
			sendAsyncCommand(commandAttTree, returnFunc, ADM_RETURN_TYPE_ATTTREE);
		else {
			//Blocking
			return sendRequest(commandAttTree, true);	
		}
	}
	
	this.GetObjChildren = function(objName, sortType, returnFunc, isSearch) {
		var commandAttTree = new AttributeTree();
		
		commandAttTree.addInt("type",ADM_GETOBJECTCHILDREN);
		commandAttTree.addInt("sortType", sortType);
		commandAttTree.addString("object",objName);
		
		if (isSearch)
			commandAttTree.addString("isSearch", "true");
		
		if (returnFunc)
			//Non blocking
			sendAsyncCommand(commandAttTree, returnFunc, ADM_RETURN_TYPE_ATTTREE);
		else {
			//Blocking
			return sendRequest(commandAttTree, true);	
		}
	}
	
	this.SetObjProperties = function(objName, objectClass, attTree, returnFunc) {
		var commandAttTree = new AttributeTree();
		
		commandAttTree.addInt("type",ADM_SET);
		commandAttTree.addString("object",objName);
		commandAttTree.addString("objectClass",objectClass);
		var props = attTree.getRoot();
		props.name = "value";
		commandAttTree.insertNode("value",props);
		
		if (returnFunc)
			//Non blocking
			sendAsyncCommand(commandAttTree, returnFunc, ADM_RETURN_TYPE_ATTTREE);
		else {
			//Blocking
			return sendRequest(commandAttTree, true);	
		}
	}
	
	this.resetDescendants = function(objName, returnFunc) {
		var commandAttTree = new AttributeTree();
		
		commandAttTree.addInt("type",ADM_RESET_BELOW);
		commandAttTree.addString("object",objName);
		
		if (returnFunc)
			//Non blocking
			sendAsyncCommand(commandAttTree, returnFunc, ADM_RETURN_TYPE_ATTTREE);
		else {
			//Blocking
			return sendRequest(commandAttTree, true);	
		}
	}
	
	//Private Methods
	function sendAsyncCommand(command, returnFunc, returnType) {
		//Put this command at the start of the command Queue;
		var commandInfo = new AdminCommandRec(command, returnFunc, returnType);
		
		for (var i = commandQueueLength - 1; i >= 0; i--) {
			commandQueue[i + 1] = commandQueue[i];
		}
		commandQueue[0] = commandInfo;
		commandQueueLength++;
		
		//If no command is in progress, send one
		if (!commandInProgress)
			sendNextCommand();
	}
	
	function requestCompleted() {
	
		//The request completed, so we handle the response
		var result;
		var success = getXMLResponse();
		if (commandQueue[commandQueueLength - 1].returnType == ADM_RETURN_TYPE_ATTTREE) {
			if (success) {
				result = attStreamer.getAttributeTreeFromXML(resultXML);
			} else {
				if (resultXML)
					result = generateErrorAttTree(resultXML);
				else
					result = generateErrorAttTree(ADM_COM_errorMessage);
			}
		}
		
		//Debug only;
		var debugDump = document.getElementById("attResponseDump");
		if (debugDump) {
			debugDump.value += "\n**************************\n";
			if (success)
				debugDump.value += result;
			else
				debugDump.value += "Unable to produce an attribute tree";
		}
		
		commandQueue[commandQueueLength - 1].returnFunc(result);
		commandQueueLength--;
	
		sendNextCommand();
	}
	this.requestCompleted = requestCompleted;
	
	function sendNextCommand() {
		if (commandQueueLength > 0) {	
			if (send(commandQueue[commandQueueLength - 1].command,false))
				commandInProgress = true;
			else {
				//Bad command, decriment the array
				commandQueueLength--;
				commandInProgress = false;
				sendNextCommand();
			}
		} else {
			commandInProgress = false;
		}
		return commandInProgress;
	}
	
	function generateErrorAttTree(errorMessage) {
		var attTree = new AttributeTree();
		
		attTree.addString(ADM_COM_ERROR_NODE,errorMessage);
		
		return attTree;
	}
	
	function getXMLResponse() {
		resultXML = null;
		if (xmlCom.requestSuceeded()) {

			//Debug only
			var debugDump = document.getElementById("xmlResponseDump");
			if (debugDump) {
				debugDump.value += "\n**************************\n";
				debugDump.value += xmlCom.GetTextResponse();
			}
		
			if (!xmlCom.GetXMLResponse()) {
				resultXML = xmlCom.GetTextResponse();
				return false;
			} else {
				resultXML = xmlCom.GetXMLResponse();
				return true;
			}
		} else {
			return false;
		}
	}
	
	function getCamPassportCookie() {
		var allCookies = document.cookie;
		var start = allCookies.indexOf("cam_passport=");
		if (start != -1) {
			var end = allCookies.indexOf(";", start);
			if (end == -1)
				end = allCookies.length;
			return unescape(allCookies.substring(start + "cam_passport=".length, end));
		}
		return "";
	}
	
	function send(attTree, blocking) {
	
		if (document.getElementById("attRequestDump")) {
			document.getElementById("attRequestDump").value += "\n**************************\n";
			document.getElementById("attRequestDump").value += attTree;
		}
	
		resultXML = null;
	
		var xmlCommand = attStreamer.getXMLFromAttributeTree(attTree);

		var xmlText = "";
		if (xmlCommand.xml) {
			xmlText = xmlCommand.xml;
		} else {
			xmlText = (new XMLSerializer()).serializeToString(xmlCommand);
		}

		var cmdString = "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n" + xmlText;
		
		if (document.getElementById("xmlRequestDump")) {
			document.getElementById("xmlRequestDump").value += "\n**************************\n";
			document.getElementById("xmlRequestDump").value += cmdString;
		}
		
		var data = new dataCollection();

		data.addItem("b_action","powerPlayService");

		data.addItem("ATXR",cmdString);
		
		data.addItem("ADMPP", getCamPassportCookie());	// protect from CSRF
		
		var status = xmlCom.sendRequest(data.getDataArray(), blocking);
		
		if (blocking) {
			return getXMLResponse();
		} else {
			return (status == xmlCom.STATUS_ASYNC_SENT);
		}
	}
	
	function sendRequest(attTree, blocking) {
	
		var result;
	
		var success = send(attTree, blocking);

		if (blocking) {
			if (success) {
				result = attStreamer.getAttributeTreeFromXML(resultXML);
			} else {
				if (resultXML)
					result = generateErrorAttTree(resultXML);
				else
					result = generateErrorAttTree(ADM_COM_errorMessage);
			}
		
		
			//Debug only;
			var debugDump = document.getElementById("attResponseDump");
			if (debugDump) {
				debugDump.value += "\n**************************\n";
				if (success)
					debugDump.value += result;
				else
					debugDump.value += "Unable to produce an attribute tree";
			}
			
			debugDump = document.getElementById("xmlResponseDump");
			if (debugDump) {
				debugDump.value += "\n**************************\n";
				debugDump.value += xmlCom.GetTextResponse();
			}
			
			return result;
		} else {
			return success;
		}
	}	
}