/*associate the step name with step number*/
var steps = ['Discover hardware', 
             'Cluster patterns',
             'Supernode numbers',
             'More cluster patterns',
             'Power on hardware',
             'Discover frames',
             'Prepare management node',
             'Update definitions',
             'Create LPARs',
             'Complete'];

/*associate the function with step number*/
var initFunctions = [initSelectPlatform,
                     initBasicPattern,
                     initSupernode,
                     initSiteTable,
                     initPoweronHardware,
                     initDiscoverFrames,
                     initConfig,
                     initUpdateDefinition,
                     initCreateLpar,
                     complete];

/*associate the function witch should be called before the page changed(when click next or back)
 *if there is no need to call functions, use undefined.*/
var nextFunctions = [getPlatform,
                     checkBasicPattern,
                     checkSupernode,
                     checkSiteTable,
                     undefined,
                     checkFrameMtms,
                     undefined,
                     undefined,
                     collectInputValue,
                     undefined];
/*save current step number*/
var currentStep = 0;

/*save user's input*/
var discoverEnv;

/**
 * create the discover page
 * 
 * @param 
 * 
 * @return
 */
function loadDiscoverPage(){
	currentStep = 0;
	discoverEnv = new Object();
	$('#discoverTab').append('<div class="discoverstep" id="discoverStepDiv"></div>');
	updateDiscoverStep();
	
	$('#discoverTab').append('<div class="discovercontent" id="discoverContentDiv"><div>');
	initSelectPlatform();
}

/**
 * update the step show are on the left side of discover page
 * 
 * @param 
 * 
 * @return
 */
function updateDiscoverStep(){
	$('#discoverStepDiv').empty();
	var showString = '';
	for (var index in steps){
		showString += '<span';
		if (currentStep == index){
			showString += ' style="background-color:yellow;"';
		}
		showString += '>' + steps[index] + '</span><br/>';
	}
	$('#discoverStepDiv').html(showString);
}

/**
 * create the navigator buttons on the bottom of discover page
 * 
 * @param 
 * 
 * @return
 */
function createDiscoverButtons(){
	var buttonDiv = $('<div style="text-align:center;padding:20px 0px 10px 0px;"></div>');
	var backButton = createBackButton();
	var nextButton = createNextButton();
	var cancelButton = createButton('Cancel');
	cancelButton.bind('click', function(){
		$('#discoverTab').empty();
		for (var name in discoverEnv){
			removeDiscoverEnv(name);
		}
		loadDiscoverPage();
	});
	
	if (backButton){
		buttonDiv.append(backButton);
	}
	
	if (nextButton){
		buttonDiv.append(nextButton);
	}

	buttonDiv.append(cancelButton);
	$('#discoverContentDiv').append(buttonDiv);
}

/**
 * create the next button base on the currentStep, the last step does not need this button
 * 
 * @param 
 * 
 * @return
 */
function createNextButton(){
	var tempFlag = true;
	if ((steps.length - 1) == currentStep){
		return undefined;
	}
	
	var nextButton = createButton('Next');
	nextButton.bind('click', function(){
		if (nextFunctions[currentStep]){
			tempFlag = nextFunctions[currentStep]('next');
		}
		
		if (!tempFlag){
			return;
		}
		currentStep ++;
		updateDiscoverStep();
		initFunctions[currentStep]('next');
	});
	
	return nextButton;
}

/**
 * create the next button base on the currentStep, the first step does not need this button
 * 
 * @param 
 * 
 * @return
 */
function createBackButton(){
	var tempFlag = true;
	if (0 == currentStep){
		return undefined;
	}
	
	var backButton = createButton('Back');
	backButton.bind('click', function(){
		if (nextFunctions[currentStep]){
			tempFlag = nextFunctions[currentStep]('back');
		}
		
		if (!tempFlag){
			return;
		}
		
		currentStep--;
		updateDiscoverStep();
		initFunctions[currentStep]('back');
	});
	
	return backButton;
}

/**
 * get the input value on discover page
 * 
 * @param 
 *        envName :  value's name(discoverEnv's key)
 * 
 * @return
 *       if there is assciate value, return the value. 
 *       else return null.
 */
function getDiscoverEnv(envName){
	if (discoverEnv[envName]){
		return discoverEnv[envName];
	}
	else{
		return '';
	}
}

/**
 * set the input value on discover page
 * 
 * @param 
 *        envName :  value's name(discoverEnv's key)
 * 	      envValue:  value
 * @return null.
 */
function setDiscoverEnv(envName, envValue){
	if (envName){
		discoverEnv[envName] = envValue;
	}
}

/**
 * delete the input value on discover page
 * 
 * @param 
 *        envName :  value's name(discoverEnv's key)
 * 
 * @return null.
 */
function removeDiscoverEnv(envName){
	if (discoverEnv[envName]){
		delete discoverEnv[envName];
	}
}

/**
 * Expand the noderange into node names.
 * 
 * @param 
 *        nodeRange :  
 * 
 * @return
 *       node names array.
 *       
 */
function expandNR(nodeRange){
	var retArray = new Array();
	var tempResult;
	if ('' == nodeRange){
		return retArray;
	}
	
	tempResult = nodeRange.match(/(.*?)\[(.*?)\](.*)/);
	if (null != tempResult){
		var parts = tempResult[2].split('-');
		if (2 > parts.length){
			return retArray;
		}
		
		var start = Number(parts[0]);
		var end = Number(parts[1]);
		var len = parts[0].length;
		for (var i = parts[0]; i <= parts[1]; i++){
			var ts = i.toString();
			if (ts.length < len){
				ts = "000000".substring(0, (len - ts.length)) + ts;
			}
			retArray = retArray.concat(expandNR(tempResult[1] + ts + tempResult[3]));
		}
		return retArray;
	}
	
	var tempArray = nodeRange.split('-');
	if (2 > tempArray.length){
		retArray.push(nodeRange);
		return retArray;
	}
	
	var begin = tempArray[0].match(/^(\D+)(\d+)$/);
	if (2 > begin){
		retArray.push(nodeRange);
		return retArray;
	}
	
	var end = tempArray[1].match(/^(\D+)(\d+)$/);
	if (2 > end){
		retArray.push(nodeRange);
		return retArray;
	}
	
	if (begin[1] != end[1]){
		retArray.push(nodeRange);
		return retArray;
	}
	
	var prefix = begin[1];
	var len = begin[2].length;
	for (var i = begin[2]; i <= end[2]; i++){
		var ts = i.toString();
		if (ts.length < len){
			ts = "000000".substring(0, (len - ts.length)) + ts;
		}
		retArray.push(prefix + ts);
	}
	
	return retArray;
}

/**
 * collect all inputs' value from the page
 * 
 * @param 
 * 
 * @return true: this step is correct, can go to the next page
 *         false: this step contains error.
 */
function collectInputValue(){
	$('#discoverContentDiv input[type=text]').each(function(){
		var name = $(this).attr('name');
		var value = $(this).attr('value');
		if ('' != value){
			setDiscoverEnv(name, value);
		}
		else{
			removeDiscoverEnv(name);
		}
	});
	
	return true;
}

/**
 * Step 1: show the wizard's function 
 *         platform selector(system P or system X)
 * 
 * @param 
 * 
 * @return
 */
function initSelectPlatform(){
	var temp = '';
	var type = '';
	$('#discoverContentDiv').empty();
	$('.tooltip').remove();
	temp += '<div style="min-height:360px"><h2>' + steps[currentStep] + '</h2>';
	temp += '<p>This wizard will guide you through the process of defining the naming conventions within' + 
		'your cluster, discovering the hardware on your network, and automatically defining it in the xCAT' +
		'database.<br/>Choose which type of hardware you want to discover, and then click Next.</p>';
	
	temp += '<input type="radio" name="platform" disabled="true"><span  style="color:gray;"> System x hardware (not implemented yet)</span></input><br/>';
	temp += '<input type="radio" name="platform" id="ih"> System p hardware (P7 IH)</input><br/>';
	temp += '<input type="radio" name="platform" id="nonih"> System p hardware (Non P7 IH)</input><br/>';
	temp += '</div>';
	$('#discoverContentDiv').append(temp);
	
	if (getDiscoverEnv('machineType')){
		type = getDiscoverEnv('machineType');
	}
	else{
		type = 'ih';
	}
	
	$('#discoverContentDiv #' + type).attr('checked', 'checked');
	createDiscoverButtons();
}

/**
 * Step 1: Get the platform type
 * 
 * @param 
 * 
 * @return
 */
function getPlatform(){
	var radioValue = $('#discoverContentDiv :checked').attr('id');
	setDiscoverEnv('machineType', radioValue);

	return true;
}
/**
 * Step 2: Cluster basic patterns 
 *         users can input the switches' name range, the number of port, start ip and port prefix
 *                             hmcs' name range, number and start ip
 *                             frames' name range, number and start ip
 *                             drawers' name range, number and start ip
 * 
 * @param 
 * 
 * @return
 */
function initBasicPattern(){
	$('#discoverContentDiv').empty();
	$('.tooltip').remove();
	var showString = '<div style="min-height:360px" id="patternDiv"><h2>' + steps[currentStep] + '</h2>';
	showString += '<table><tbody>';
	//Frame title
	showString += '<tr><td><h3>Frames:</h3></td></tr>';
	//Frame Name
	showString += '<tr><td>Name Range:</td><td><input type="text" title="Format: Frame[1-6] or F1-F6" ' +
				  'name="frameName" value="' + getDiscoverEnv('frameName') + '"></td>';
	//use the super node configure file to calculate the cec's number
	showString += '<td></td><td></td></tr>';

	//CEC title
	showString += '<tr><td><h3>Drawers:</h3></td></tr>';
	//CEC name
	showString += '<tr><td>Name Range:</td><td><input type="text" title="Format: CEC[1-60] or F[1-6]C[1-10]" ' +
			      'name="cecName" value="' + getDiscoverEnv('cecName') + '"></td>';
	//Number of LPARs per Drawer:
	showString += '<td>Number of LPARs per Drawer:</td><td><input type="text" name="lparNumPerCec" value="' + 
				  getDiscoverEnv('lparNumPerCec') + '"></td></tr>';

	//Lpar title
	showString += '<tr><td><h3>Lpars:</h3></td></tr>';
	//lpar name
	showString += '<tr><td>Name Range:</td><td><input type="text" title="Format: F[1-6]C[1-10]L[1-8]" ' + 
				  'name="lparName" value="' + getDiscoverEnv('lparName') + '"></td><td></td><td></td></tr>';
	
	//hmc title
	showString += '<tr><td><h3>HMCs:</h3></td></tr>';
	//hmc name
	showString += '<tr id="hmcTr"><td>Name Range:</td><td><input type="text" title="Format: HMC[01-10] or HMC01-HMC10" name="hmcName" value="' + getDiscoverEnv('hmcName') + '"></td>';
	//Number of Frames per HMC
	showString += '<td>Number of Frames per HMC:</td><td><input type="text" name="frameNumPerHmc" value="' + 
				  getDiscoverEnv('frameNumPerHmc') + '"></td></tr>';
	showString += '<tr><td>Hardware Managment:</td><td><input type="radio" name="managetype" value="hmc" title="Hardware Management Console">HMC&nbsp;&nbsp;';
	showString += '<input type="radio" name="managetype" value="dfm" title="Direct FSP Management">DFM</td></tr>';
	showString += '</tbody></table></div>';
	
	$('#discoverContentDiv').append(showString);
	
	$('#discoverContentDiv [title]').tooltip({
		position: "center right",
		offset: [-2, 10],
		effect: "fade",
		opacity: 1
	});
	
	//change the radio inputs' checked status
	if (getDiscoverEnv('hmcFlag')){
		$('#discoverContentDiv :radio[value=hmc]').attr('checked', 'checked');
	}
	else{
		$('#discoverContentDiv :radio[value=dfm]').attr('checked', 'checked');
	}
	
	createDiscoverButtons();
}

/**
 * Step 2: check basic patterns 
 * 			when user input the basic patterns, we should check if the input is correct. 
 * @param 
 * 
 * @return
 */
function checkBasicPattern(operType){
	collectInputValue();

	//click back button, do not need check, only collect input value is ok.
	if ('back' == operType){
		return true;
	}
	
	$('#patternDiv .ui-state-error').remove();
	
	var errMessage = '';
	var tempName = '';
	var frameNum = 0;
	var cecNum = 0;
	var lparNum = 0;
	var hmcNum = 0;
	var cecNumPerFrame = getDiscoverEnv('cecNumPerFrame');
	var frameNumPerHmc = getDiscoverEnv('frameNumPerHmc');
	var lparNumPerCec = getDiscoverEnv('lparNumPerCec');
	
	//check the frame name
	tempName = getDiscoverEnv('frameName');
	if (!tempName){
		errMessage += 'Input the Frame Name Range.<br/>';
	}
	else{
		frameNum = expandNR(tempName).length;
	}
	
	//check the cec name
	tempName = getDiscoverEnv('cecName');
	if (!tempName){
		errMessage += 'Input the CEC Name Range.<br/>';
	}
	else{
		cecNum = expandNR(tempName).length;
	}
	
	//lpar number per cec
	if (!lparNumPerCec){
		errMessage += 'Input the Lpar Number Per Drawer.<br/>';
	}
	
	//check the lpar name
	tempName = getDiscoverEnv('lparName');
	if (!tempName){
		errMessage += 'Input the Lpar Name Range.<br/>';
	}
	else{
		lparNum = expandNR(tempName).length;
	}
	
	//check the hmc name 
	tempName = getDiscoverEnv('hmcName');
	if (!tempName){
		errMessage += 'Input the HMC Name Range.<br/>';
	}
	else{
		hmcNum = expandNR(tempName).length;
	}
	
	//frame number per hmc
	if (!frameNumPerHmc){
		errMessage += 'Input the Frame Number Per HMC.<br/>';
	}
	
	//the hardware management type is hmc.
	if ('hmc' == $('#discoverContentDiv :checked').attr('value')){
		setDiscoverEnv('hmcFlag', true);
	}
	else{
		removeDiscoverEnv('hmcFlag');
	}
	
	//the input value check is finished.
	if ('' != errMessage){
		var warnBar = createWarnBar(errMessage);
		$('#patternDiv').prepend(warnBar);
		return false;
	}
	
	//check the connections between all numbers.
	if (getDiscoverEnv('hmcFlag')){
		if ((Number(frameNumPerHmc) * hmcNum) < frameNum){
			errMessage += 'The frame number should less than ' + Number(cecNumPerFrame) * frameNum + 
			' ("the number of hmc" * "the number of frame managed by per hmc")';
		}
	}
	
	if ((Number(lparNumPerCec) * cecNum) != lparNum){
		errMessage += 'The number of Lpars calculate by Name Range should be ' + Number(lparNumPerCec) * cecNum +
					  '("the number of Drawers" * "the number of lpar per drawer")';
	}
	
	if ('' != errMessage){
		var warnBar = createWarnBar(errMessage);
		$('#patternDiv').prepend(warnBar);
		return false;
	}
	
	setDiscoverEnv('cecNum', cecNum);
	setDiscoverEnv('frameNum', frameNum);
	setDiscoverEnv('lparNum', lparNum);
	setDiscoverEnv('hmcNum', hmcNum);
	return true;
}

/**
 * Step 3: allowed the users to edit the super node condigure file 
 *          
 * @param 
 * 
 * @return
 */
function initSupernode(){
	$('#discoverContentDiv').empty();
	$('.tooltip').remove();
	$('#discoverContentDiv').append('<div style="min-height:360px" id="supernodeDiv"><h2>' + steps[currentStep] + '</h2></div>');
	createDiscoverButtons();
	
	//add the introduction about the page
	var infoStr = '<div>The supernode-list file lists what supernode numbers should be ';
	infoStr += 'given to each CEC in each frame. Here is a sample file:<br/>';
	infoStr += 'frame1: 0, 1, 16<br/>frame2: 17, 32<br/>frame3: 33, 48, 49<br/>';
	infoStr += 'frame4: 64 , 65, 80<br/>frame5: 81, 96<br/>frame6: 97(1), 112(1), 113(1), 37(1), 55, 71<br/>';
	infoStr += 'The name before the colon is the node name of the frame BPC. The numbers after the colon ' +
			   'are the supernode numbers to assign to the groups of CECs in that frame from bottom to top. ' +
			   'Each supernode contains 4 CECs, unless it is immediately followed by "(#)", in which case the ' +
			   'number in parenthesis indicates how many CECs are in this supernode.</div>';
	var InfoBar = createInfoBar(infoStr);
	$('#discoverContentDiv #supernodeDiv').append(InfoBar);
	
	var frameArray = expandNR(getDiscoverEnv('frameName'));
	var showStr = '<center><table><tbody>';
	for (var i in frameArray){
		showStr += '<tr><td>' + frameArray[i] + ':</td><td><input type="text" name="sp_' + frameArray[i] + 
				   '" value="' + getDiscoverEnv('sp_' + frameArray[i]) + '"></td></tr>';
	}
	showStr += '</tbody></table></center>';
	$('#discoverContentDiv #supernodeDiv').append(showStr);
}

/**
 * Step 3: check the super node configure file 
 *          
 * @param 
 * 
 * @return
 */
function checkSupernode(operType){
	collectInputValue();
	
	if ('back' == operType){
		return true;
	}
	
	$('#supernodeDiv .ui-state-error').remove();
	
	var errString = '';
	var eceNum = 0;
	var args = '';
	var frameArray = expandNR(getDiscoverEnv('frameName'));
	for (var i in frameArray){
		var sp_config = getDiscoverEnv('sp_' + frameArray[i]);
		if (sp_config){
			eceNum += calcCec(sp_config);
			if (0 == i){
				args += frameArray[i] + ': ' + sp_config;
			}
			else{
				args += '\n' + frameArray[i] + ': ' + sp_config;
			}
		}
		else{
			errString += 'Input the super node configure for ' + frameArray[i] + '<br/>';
		}
	}
	
	var warnBar;
	if (errString){
		warnBar = createWarnBar(errString);
		$('#supernodeDiv').prepend(warnBar);
		return false;
	}
	
	var cecArray = expandNR(getDiscoverEnv('cecName'));
	if (eceNum != cecArray.length){
		errString += 'The number of CEC calculated from supernode configure is ' + eceNum + ', but the number ' + 
					 'calculated from CECs\' Name Range is ' + cecArray.length + '. Reconfigure the supernode please.';
		warnBar = createWarnBar(errString);
		$('#supernodeDiv').prepend(warnBar);
		return false;
	}
	
	$.ajax({
		url : 'lib/systemcmd.php',
		dataType : 'json',
		data : {
			cmd : 'echo -e "' + args + '" > /tmp/websupernode.txt'
		}
	});
	return true;
}

function calcCec(spConfigStr){
	var tempArray = spConfigStr.split(',');
	var num = 0;
	var reg = /\(([1-4])\)/;
	for (var i in tempArray){
		var regRes = reg.exec(tempArray[i]);
		if (regRes && regRes[1]){
			num += Number(regRes[1]);
		}
		else{
			num += 4;
		}
	}
	
	return num;
}

/**
 * Step 4: show the field which need to be configured in site table 
 *          
 * @param 
 * 
 * @return
 */
function initSiteTable(operType){
	$('#discoverContentDiv').empty();
	$('.tooltip').remove();
	var showDiv = $('<div style="min-height:360px" id="siteDiv"><h2>' + steps[currentStep] + '(Site info)</h2></div>');
	var statBar = createStatusBar('siteTableStat');
	statBar.find('div').append(createLoader());
	showDiv.append(statBar);
	$('#discoverContentDiv').append(showDiv);
	
	if (getDiscoverEnv('domainname')){
		showSiteArea();
		return;
	}
	
	$.ajax({
		url : 'lib/cmd.php',
		dataType : 'json',
		data : {
			cmd : 'tabdump',
			tgt : '',
			args : 'site',
			msg : ''
		},
		
		success : function(data){
			setDiscoverEnv('domainname', '');
			setDiscoverEnv('nameserver','');
			for (var i in data.rsp){
				var tempArray = data.rsp[i].split(',');
				var tempValue = tempArray[1];
				switch (tempArray[0]){
					case '"domain"':{
						setDiscoverEnv('domainname', tempValue.substr(1, tempValue.length - 2));
					}
					break;
					case '"nameservers"':{
						setDiscoverEnv('nameserver', tempValue.substr(1, tempValue.length - 2));
					}
					break;
				}
			}

			showSiteArea();
		}
	});	
}

/**
 * Step 4: when the values are ready, create the table 
 *          
 * @param 
 * 
 * @return
 */
function showSiteArea(){
	var showString = '<table><tbody>';
	//domain name:
	showString += '<tr><td>Domain Name:</td><td><input type="text" name="domainname" value="' + getDiscoverEnv('domainname') + 
				  '" title="The DNS domain name used for the cluster."></td></tr>';

	//Name server
	showString += '<tr><td>Name server:</td><td><input type="text" name="nameserver" value="' + getDiscoverEnv('nameserver') + 
				  '" title="A comma delimited list of DNS servers that each node in the cluster should use - often the xCAT management node."></td></tr>';
	
	//ntp server
	showString += '<tr><td>DHCP Dynamic Range:</td><td><input type="text" name="ipStart" value="' + getDiscoverEnv('ipStart') + 
	              '" title="A start Ip address for DHCP dynamic range.">-<input type="text" name="ipEnd" disabled="disabled" value="' + 
	              getDiscoverEnv('ipEnd') + '"></td></tr>';
	showString += '</tbody></table>';
	
	$('#discoverContentDiv div').eq(0).append(showString);
	
	$('#discoverContentDiv [title]').tooltip({
		position: "center right",
		offset: [-2, 10],
		effect: "fade",
		opacity: 1
	});
	
	$('#discoverContentDiv input[name=ipStart]').bind('change', function(){
		var reg = /^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-4])$/;
		if (reg.test($(this).attr('value'))){
			var tempNum = Number(getDiscoverEnv('frameNum')) * 4 + Number(getDiscoverEnv('cecNum')) * 4 +
			              Number(getDiscoverEnv('lparNum')) + Number(getDiscoverEnv('hmcNum'));
			var ipEnd = calcEndIp($(this).attr('value'), tempNum);
			if (!reg.test(ipEnd)){
				ipEnd = '';
			}
			$('#discoverContentDiv input[name=ipEnd]').attr('value', ipEnd);
		}
		else{
			$('#discoverContentDiv input[name=ipEnd]').attr('value', '');
		}
	});
	
	//show the current network interface configure
	$.ajax({
		url : 'lib/systemcmd.php',
		dataType : 'json',
		data : {
			cmd : 'ifconfig | grep -E "encap|Mask"'
		},
	
		success : function(data){
			$('#discoverContentDiv #siteTableStat div').html('Current network interface configuration:<br/><pre>' + 
						data.rsp + '</pre>');
		}
	});
	createDiscoverButtons();
}

function calcEndIp(ipStart, num){
	var sum = 0;
	var tempNum = Number(num);
	var temp = /(\d+)\.(\d+)\.(\d+)\.(\d+)/;
	var ipArray = temp.exec(ipStart);
	
	ipArray.shift();
	sum = Number(ipArray[3]) + tempNum;
	if (sum <= 254){
		ipArray[3] = sum;
		return (ipArray.join('.'));
	}
	
	ipArray[3] = sum % 254;
	
	sum = Number(ipArray[2]) + parseInt(sum / 254);
	if (sum <= 255){
		ipArray[2] = sum;
		return (ipArray.join('.'));
	}
	
	ipArray[2] = sum % 255;
	
	sum = Number(ipArray[1]) + parseInt(sum / 255);
	if (sum <= 255){
		ipArray[1] = sum;
		return (ipArray.join('.'));
	}
	
	ipArray[1] = sum % 255;
	ipArray[0] = ipArray[0] + parseInt(sum / 255);
	return (ipArray.join('.'));
}
/**
 * Step 4: check the input are all filled 
 *          
 * @param 
 * 
 * @return
 */
function checkSiteTable(operType){
	$('#discoverContentDiv input[name=ipStart]').trigger('change');
	collectInputValue();
	
	if ('back' == operType){
		return true;
	}
	
	$('#discoverContentDiv .ui-state-error').remove();
	var errMessage = '';
	if (!getDiscoverEnv('domainname')){
		errMessage += 'Input the domain name.<br/>';
	}
	
	if (!getDiscoverEnv('nameserver')){
		errMessage += 'Input the name server.<br/>';
	}
	
	if (!getDiscoverEnv('ipEnd')){
		errMessage += 'Input the DHCP Dynamic Range.<br/>';
	}
	
	if ('' == errMessage){
		return true;
	}
	
	var warnBar = createWarnBar(errMessage);
	$('#discoverContentDiv #siteDiv').prepend(warnBar);
	return false;
}

/**
 * Step 5: told users to power on machines
 *          
 * @param 
 * 
 * @return
 */
function initPoweronHardware(){
	$('#discoverContentDiv').empty();
	$('.tooltip').remove();
	var showStr = '<div style="min-height:360px"><h2>' + steps[currentStep] + 
			'</h2><h3>Do the following manual steps now:</h3>';
	showStr += '<ul><li>1. Power on all of the HMCs.</li>';
	showStr += '<li>2. Power on all of frames.</li>';
	showStr += '<li>3. Click Next to discover the hardware on the service network.</li></ul></div>';
	
	$('#discoverContentDiv').append(showStr);
	
	createDiscoverButtons();
}

/**
 * Step 6: discover all frames from the cluster and map all mtms with frame name
 *          
 * @param 
 * 
 * @return
 */
function initDiscoverFrames(){
	$('#discoverContentDiv').empty();
	$('.tooltip').remove();
	var showDiv = $('<div style="min-height:360px" id="discoverShow"><h2>' + steps[currentStep] + '</h2>');
	var statBar = createStatusBar('framedisc');
	showDiv.append(statBar);
	$('#discoverContentDiv').append(showDiv);
	$('#discoverShow').append('<center><table><tr><td id="frameTd">' 
			+ '</td><td style="width:20px"></td><td id="mtmsTd"></td></tr></table></center>');
	
	if (getDiscoverEnv('framemtmsmap')){
		$('#framedisc div').html('Mapping the frame name and mtms which discovered by lsslp.<br\>' + 
							 'Select the frame name, then select the mtms.');
		var mapArray = getDiscoverEnv('framemtmsmap').split(':');
		for(var i in mapArray){
			var tempArray = mapArray[i].split(',');
			showMap(tempArray[0], tempArray[1] + '-' + tempArray[2]);
		}
		
		createDiscoverButtons();
		return;
	}
	
	statBar.append('Discovering all Frames by lsslp.').append(createLoader());
	//use lsslp to find all bpas in cluster
	$.ajax({
		url : 'lib/cmd.php',
		dataType : 'json',
		data : {
			cmd : 'webrun',
			tgt : '',
			args : 'discover;frame',
			msg : ''
		},
		
		success : function(data){
			var tempInfo = data.rsp[0];
			if (-1 != tempInfo.indexOf('Error')){
				$('#framedisc div').html(tempInfo);
				createDiscoverButtons();
				return;
			}
			
			var mtmsArray = tempInfo.split(';');
			var frameArray = expandNR(getDiscoverEnv('frameName'));
			//chech the defined number and discovered number
			if (mtmsArray.length != frameArray.length){
				$('#framedisc div').html('Error: Definded Number is ' + frameArray.length + 
									', but lsslp discovered Number is ' + mtmsArray.length + ', please check your configure!');
				createDiscoverButtons();
				return;
			}
			
			$('#framedisc div').html('Mapping the frame name and mtms which discovered by lsslp.<br\>' + 
			 		'Select the frame name, then select the mtms.');
			
			for (var i in frameArray){
				$('#frameTd').append('<p><input name="frameradio" type="radio" onclick="createMap(this)"><span>' +
						frameArray[i] + '</span></p>');
				
			}
			
			for (var i in mtmsArray){
				$('#mtmsTd').append('<p><input name="mtmsradio" type="radio" onclick="createMap(this)"><span>' + 
						mtmsArray[i] + '</span></p>');
			}
			
			createDiscoverButtons();
		}
	});
}

function createMap(obj){
	var fname = '';
	var mname = '';
	
	if ($('#discoverShow :checked').size() < 2){
		return;
	}
	
	if('frameradio' == $(obj).attr('name')){
		fname = $(obj).next().html();
		mname = $('#discoverShow input[name=mtmsradio]:checked').next().html();
	}
	else{
		fname = $('#discoverShow input[name=frameradio]:checked').next().html();
		mname = $(obj).next().html();
	}
	
	$('#discoverShow :checked').parent().remove();
	showMap(fname, mname);
}

function showMap(fname, mname){
	var rowClass = '';
	
	if ($('#discoverShow fieldset').size() < 1){
		$('#discoverShow').append('<fieldset><legend>Frame and MTMS map</legend><center><table></table></center></fieldset>');
	}
	
	if (0 == $('#discoverShow fieldset tr').size() % 2){
		rowClass = 'odd';
	}
	else{
		rowClass = 'even';
	}
	
	$('#discoverShow fieldset table').append('<tr class="' + rowClass + '"><td>' + fname + 
			'</td><td width="20px">&lt;----&gt;</td><td>' + mname +
			'</td><td><span class="ui-icon ui-icon-trash" style="cursor:pointer;" onclick="deleteMap(this)"></span></td></tr>');
}

function deleteMap(obj){
	var mname = $(obj).parent().prev().html();
	var fname = $(obj).parent().prev().prev().prev().html();
	
	$(obj).parent().parent().remove();
	
	$('#frameTd').append('<p><input name="frameradio" type="radio" onclick="createMap(this)"><span>' + fname + '</span></p>');
	$('#mtmsTd').append('<p><input name="mtmsradio" type="radio" onclick="createMap(this)"><span>' + mname + '</span></p>');
}

/**
 * Step 6: write the frame and mtms map file
 *          
 * @param 
 * 
 * @return
 */
function checkFrameMtms(operType){
	//check the number of radio button
	var vpdFileCon = '';
	$('#discoverShow .ui-state-error').remove();
	if (0 < $('#discoverShow :radio').size()){
		var warnBar = createWarnBar('Map all of the frame with mtms.');
		$('#discoverContentDiv #discoverShow').prepend(warnBar);
		return false;
	}
	
	//find out all maps
	var maps = '';
	$('#discoverShow fieldset tr').each(function(){
		var fname = $(this).children().eq(0).html();
		var mtms = $(this).children().eq(2).html();
		var pos = mtms.lastIndexOf('-');

		maps += (fname + ',' + mtms.substring(0, pos) + ',' + mtms.substring(pos + 1) + ':');
		vpdFileCon += fname + ':\n';
		vpdFileCon += '  objtype=node\n  serial=' + mtms.substring(pos + 1) + '\n';
		vpdFileCon += '  mtm=' + mtms.substring(0, pos) + '\n  side=A\n';
	});
	
	maps = maps.substr(0, maps.length - 1);
	setDiscoverEnv('framemtmsmap', maps);
	
	if ('back' == operType){
		return true;
	}
	
	//write the maps into vpd table
	$.ajax({
		url : 'lib/systemcmd.php',
		dataType : 'json',
		data : {
			cmd : 'echo -e "' + vpdFileCon + '" > /tmp/webvpd.stanza'
		}
	});
	
	return true;
}

/**
 * Step 7: create the xcatsetup configure file and run xcatsetup to define all objects 
 * 		   in xcat database.   
 *          
 * @param 
 * 
 * @return
 */
function initConfig(operType){
	$('#discoverContentDiv').empty();
	$('.tooltip').remove();
	var showStr = '<div style="min-height:360px"><h2>' + steps[currentStep] + '<br/><br/></h2>';
	var iconClass = '';
	if ('back' == operType){
		iconClass = 'ui-icon-check';
	}
	else{
		iconClass = 'ui-icon-wrench';
	}
	showStr += '<ul>';
	showStr += '<li id="fileLine"><span class="ui-icon ' + iconClass + '"></span>Create configure file for xcatsetup.</li>';
	showStr += '<li id="setupLine"><span class="ui-icon ' + iconClass + '"></span>Wrote Objects into xCAT database by xcatsetup.</li>';
	showStr += '<li id="dhcpLine"><span class="ui-icon ' + iconClass + '"></span>Configured DHCP.</li>';
	showStr += '</ul></div>';
	
	$('#discoverContentDiv').append(showStr);
	
	if ('back' == operType){
		createDiscoverButtons();
		return;
	}
	
	createSetupFile();
}
/**
 * Step 7: create the xcat configure file
 *          
 * @param 
 * 
 * @return
 */
function createSetupFile(){
	var fileContent = '';
	
	$('#fileLine').append(createLoader());
	//site info
	fileContent += 'xcat-site:\n';
	fileContent += '  domain = ' + getDiscoverEnv('domainname') + '\n';
	if (getDiscoverEnv('hmcFlag')){
		//do nothing
	}
	else{
		fileContent += '  use-direct-fsp-control = 1\n';
	}
	
	//dhcp ip range
	fileContent += 'xcat-service-lan:\n';
	fileContent += '  dhcp-dynamic-range = ' + getDiscoverEnv('ipStart') + '-' + getDiscoverEnv('ipEnd') + '\n';
	
	//hmc
	if (getDiscoverEnv('hmcName')){
		fileContent += 'xcat-hmcs:\n';
		fileContent += '  hostname-range = ' + getDiscoverEnv('hmcName') + '\n';
	}
	
	//frame
	fileContent += 'xcat-frames:\n';
	fileContent += '  hostname-range = ' + getDiscoverEnv('frameName') + '\n';
	fileContent += '  num-frames-per-hmc = ' + getDiscoverEnv('frameNumPerHmc') + '\n';
	fileContent += '  vpd-file = /tmp/webvpd.stanza\n';
	
	//cec
	fileContent += 'xcat-cecs:\n';
	fileContent += '  hostname-range = ' + getDiscoverEnv('cecName') + '\n';
	fileContent += '  delete-unused-cecs = 1\n';
	fileContent += '  supernode-list = /tmp/websupernode.txt\n';
	
	//lpar
	fileContent += 'xcat-lpars:\n';
	fileContent += '  num-lpars-per-cec = ' + getDiscoverEnv('lparNumPerCec') + '\n';
	fileContent += '  hostname-range = ' + getDiscoverEnv('lparName') + '\n';
	
	$.ajax({
		url : 'lib/systemcmd.php',
		dataType : 'json',
		data : {
			cmd : 'echo -e "' + fileContent + '" > /tmp/webxcat.conf'
		},
		
		success : function(){
			$('#fileLine img').remove();
			var tempSpan = $('#fileLine').find('span');
			tempSpan.removeClass('ui-icon-wrench');
			tempSpan.addClass('ui-icon-check');
			runSetup();
		}
	});
}

/**
 * Step 7: run the xcatsetup command
 *          
 * @param 
 * 
 * @return
 */
function runSetup(){
	$('#setupLine').append(createLoader());
	$.ajax({
		url : 'lib/cmd.php',
		dataType : 'json',
		data : {
			cmd : 'xcatsetup',
			tgt : '',
			args : '/tmp/webxcat.conf',
			msg : ''
		},
		
		success : function(){
			$('#setupLine img').remove();
			var tempSpan = $('#setupLine').find('span');
			tempSpan.removeClass('ui-icon-wrench');
			tempSpan.addClass('ui-icon-check');
			configDHCP();
		}
	});
}
/**
 * Step 7: create the dhcp configure file
 *          
 * @param 
 * 
 * @return
 */
function configDHCP(){
	$('#dhcpLine').append(createLoader());
	$.ajax({
		url : 'lib/cmd.php',
		dataType : 'json',
		data : {
			cmd : 'makedhcp',
			tgt : '',
			args : '-n',
			msg : ''
		},
		
		success : function(){
			$('#dhcpLine img').remove();
			var tempSpan = $('#dhcpLine').find('span');
			tempSpan.removeClass('ui-icon-wrench');
			tempSpan.addClass('ui-icon-check');
			createDiscoverButtons();
		}
	});
}

/**
 * Step 8: discover all hmc,cec in cluster and update into xcat database
 *          
 * @param 
 * 
 * @return
 */
function initUpdateDefinition(operType){
	$('#discoverContentDiv').empty();
	$('.tooltip').remove();
	var showStr = '<div style="min-height:360px"><h2>' + steps[currentStep] + '<br/><br/></h2>';
	showStr += '<ul>';
	showStr += '<li id="frameLine"><span class="ui-icon ui-icon-wrench"></span>Update Frames into xCAT database.</li>';
	showStr += '<li id="hmcLine1"><span class="ui-icon ui-icon-wrench"></span>Discover HMCs.</li>';
	showStr += '<li id="hmcLine2"><span class="ui-icon ui-icon-wrench"></span>Update HMCs into xCAT database.</li>';
	showStr += '<li id="cecLine"><span class="ui-icon ui-icon-wrench"></span>Discover CECs and update into xCAT database.</li>';
	showStr += '</ul></div>';
	
	$('#discoverContentDiv').append(showStr);
	
	if ('back' == operType){
		createDiscoverButtons();
		return;
	}
	
	lsslpWriteFrame();
}

/**
 * Step 8: write all the lsslp -s FRAME info into database
 *          
 * @param 
 * 
 * @return
 */
function lsslpWriteFrame(){
	$('#frameLine').append(createLoader());
	$.ajax({
		url : 'lib/cmd.php',
		dataType : 'json',
		data : {
			cmd : 'lsslp',
			tgt : '',
			args : '-s;BPA;-w',
			msg : ''
		},
		
		success : function(){
			$('#frameLine img').remove();
			var tempSpan = $('#frameLine').find('span');
			tempSpan.removeClass('ui-icon-wrench');
			tempSpan.addClass('ui-icon-check');
			lsslpWriteHMC();
		}
	});
}

/**
 * Step 8: write all the lsslp -s HMC info into database
 *          
 * @param 
 * 
 * @return
 */
function lsslpWriteHMC(){
	$('#hmcLine1').append(createLoader());
	$.ajax({
		url : 'lib/cmd.php',
		dataType : 'json',
		data : {
			cmd : 'webrun',
			tgt : '',
			args : 'discover;hmc',
			msg : ''
		},
		
		success : function(data){
			//modify the page elements
			$('#hmcLine1 img').remove();
			var tempSpan = $('#hmcLine1').find('span');
			tempSpan.removeClass('ui-icon-wrench');
			tempSpan.addClass('ui-icon-check');
			$('#hmcLine2').append(createLoader());
			
			var hmcArray = expandNR(getDiscoverEnv('hmcName'));
			var mtmsArray = data.rsp[0].split(';');
			var tempPar = '';
			
			if (hmcArray.length != mtmsArray.length){
				//error info
				$('#hmcLine2 img').remove();
				var warnBar = createWarnBar('Error: Defined ' + hmcArray.length  + ' HMCs, but discovered ' + mtmsArray.length + 
					' HMCs. Please check the configuration.');
				$('#discoverContentDiv div').prepend(warnBar);
				createDiscoverButtons();
				return;
			}
			
			//create the hmc and mtms pair string
			for (var i in hmcArray){
				var tPos = mtmsArray[i].lastIndexOf('-');
				if ('' == tempPar){
					tempPar += hmcArray[i] + ',' + mtmsArray[i].substring(0, tPos) + ',' +mtmsArray[i].substring(tPos + 1);
				}
				else{
					tempPar += ':' + hmcArray[i] + ',' + mtmsArray[i].substring(0, tPos) + ',' +mtmsArray[i].substring(tPos + 1);
				}
			}
			
			//write the mtms and hmcname pair into vpd table
			$.ajax({
				url : 'lib/cmd.php',
				dataType : 'json',
				data : {
					cmd : 'webrun',
					tgt : '',
					args : 'updatevpd;' + tempPar,
					msg : ''
				},
				success: function(){
					//run lsslp and write all infomation into datatable
					$.ajax({
						url : 'lib/cmd.php',
						dataType : 'json',
						data : {
							cmd : 'lsslp',
							tgt : '',
							args : '-s;HMC;-w',
							msg : ''
						},
						success: function(){
							$('#hmcLine2 img').remove();
							var tempSpan = $('#hmcLine2').find('span');
							tempSpan.removeClass('ui-icon-wrench');
							tempSpan.addClass('ui-icon-check');
							lsslpWriteCec();
						}
				});
				}
		});
		}
	});
}

/**
 * Step 8: write all the lsslp -s cec info into database
 *          
 * @param 
 * 
 * @return
 */
function lsslpWriteCec(){
	$('#cecLine').append(createLoader());
	$.ajax({
		url : 'lib/cmd.php',
		dataType : 'json',
		data : {
			cmd : 'lsslp',
			tgt : '',
			args : '-s;FSP;-w',
			msg : ''
		},
		success: function(){
			$('#cecLine img').remove();
			var tempSpan = $('#cecLine').find('span');
			tempSpan.removeClass('ui-icon-wrench');
			tempSpan.addClass('ui-icon-check');
			createDiscoverButtons();
		}
	});
}

/**
 * Step 9: create lpars
 *          
 * @param 
 * 
 * @return
 */
function initCreateLpar(){
	$('#discoverContentDiv').empty();
	$('.tooltip').remove();
	var showDiv = $('<div style="min-height:360px" id="createlparDiv"><h2>' + steps[currentStep] + '</h2>');
	switch (getDiscoverEnv('machineType')){
		case 'ih':{
			ihCreateLpar(showDiv);
		}
		break;
		case 'nonih':{
			nonihCreateLpar(showDiv);
		}
		break;
		default:
		break;
	}
	$('#discoverContentDiv').append(showDiv);
	createDiscoverButtons();
}

function ihCreateLpar(parentDiv){
	var showStr = 'Partition Rule:<br/>' + 
		'If all the octants configuration value are same in one CEC,  it will be  " -r  0-7:value".<br/>' +
		'If the octants use the different configuration value in one cec, it will be "-r 0:value1,1:value2,...7:value7", or "-r 0:value1,1-7:value2".<br/>' +
		'The octants configuration value for one Octant could be  1, 2, 3, 4, 5 . The meanings of the octants configuration value  are as following:<br/>' +
		'1 - 1 partition with all cpus and memory of the octant<br/>' +
		'2 - 2 partitions with a 50/50 split of cpus and memory<br/>' +
		'3 - 3 partitions with a 25/25/50 split of cpus and memory<br/>' +
		'4 - 4 partitions with a 25/25/25/25 split of cpus and memory<br/>' +
		'5 - 2 partitions with a 25/75 split of cpus and memory<br/>' +
		'Define the configuration rule for one CEC, and create all Lpars on all CECs by this rule. Or ignore this step.';
	
	parentDiv.append(createInfoBar(showStr));
	parentDiv.append('<div><center><table><tr><td>Partition Configuration:</td>' +
				     '<td><input name="partconf" type="text" value="' + getDiscoverEnv('partconf')+ 
				     '"></td><td></td></tr></table></center></div>');
	
	var lparButton = createButton('Create Lpars');
	parentDiv.find('td').eq(2).append(lparButton);
	
	lparButton.bind('click', function(){
		var reg = /(([0-7]|[0-7]-[0-7]):[1-5],)*(([0-7]|[0-7]-[0-7]):[1-5])$/g;
		var lparCount = 0;
		$('#discoverContentDiv .ui-state-error').remove();
		collectInputValue();
		var inputStr = getDiscoverEnv('partconf');
		var testArray = reg.exec(inputStr);
		if (!testArray || inputStr != testArray[0]){
			var warnBar = createWarnBar('Input the correct configuration rule.');
			$('#discoverContentDiv').prepend(warnBar);
			return;
		}

		var ruleArray = inputStr.split(',');
		for (var i in ruleArray){
			var octantCount = 0;
			var octantArray = ruleArray[i].split(':');
			var octantRule = Number(octantArray[1]);
			var pos = octantArray[0].indexOf('-');
			if (5 == octantRule){
				octantRule = 2;
			}

			if (-1 == pos){
				octantCount = 1;
			}
			else{
				var startIndex = Number(octantArray[0].substring(0, pos));
				var endIndex = Number(octantArray[0].substring(pos + 1));
				octantCount = endIndex - startIndex + 1;
			}
			
			lparCount += octantCount * octantRule;
		}
		
		if (getDiscoverEnv('lparNumPerCec') != lparCount){
			var warnBar = createWarnBar('The LPAR number per CEC is ' + getDiscoverEnv('lparNumPerCec') + ', but the configuration ' +
            	'rule calculation is ' + lparCount + '.');
			$('#discoverContentDiv').prepend(warnBar);
			return;
		}
		
		var diaDiv = $('<div id="createLparDiv"></div>');
		diaDiv.append('<ul></ul>');
		diaDiv.append(createLoader());
		diaDiv.dialog({
			modal: true,
			width: 600,
			title: 'Creating Lpars...'
		});
		
		$('.ui-dialog-titlebar-close').hide();
		
		var cecArray = expandNR(getDiscoverEnv('cecName'));
		for (var i in cecArray){
			$.ajax( {
				url : 'lib/cmd.php',
				dataType : 'json',
				data : {
					cmd : 'mkvm',
					tgt : cecArray[i] + 'nodes',
					args : '-i;1;-m;non-interleaved;-r;' + inputStr,
					msg : cecArray[i] + ';' + cecArray.length
				},

				success : function(data) {
					//update the dialogure
					var tempArray = data.msg.split(';');
					updateCreateLparDia(tempArray[0], Number(tempArray[1]));
				}
			});
		}
	});
}

function updateCreateLparDia(cecname, cecNum){
	$('#createLparDiv ul').append('<li>Creating lpars on ' + cecname + ' competed.</li>');
	
	if (cecNum != $('#createLparDiv li').size()){
		return;
	}
	
	$('#createLparDiv').empty();
	$('#createLparDiv').append('<p>All lpars are created. You must:<br/>1. reboot the all CECS. <br/>'+
							   '2.use chvm to assign the I/O slots to the new LPAR.</p>');
	
	var chvmButton = createButton('OK');
	$('#createLparDiv').append(chvmButton);
	chvmButton.bind('click', function(){
		$('#createLparDiv').dialog('destroy');
		$('#createLparDiv').remove();
	});
}

function nonihCreateLpar(parentDiv){
	var showStr = 'The machine type is not P7 IH, so you had to create lpars by command line manually.';
	parentDiv.append(createInfoBar(showStr));
	return;
}

/**
 * Step 10: complete
 *          
 * @param 
 * 
 * @return
 */
function complete(){
	$('#discoverContentDiv').empty();
	$('.tooltip').remove();
	var showStr = '<div style="min-height:360px"><h2>' + steps[currentStep] + '<br/><br/></h2>';
	showStr += 'You can go to the <a href="index.php">nodes page</a> to check nodes which were defined just now.';
	$('#discoverContentDiv').append(showStr);
	
	createDiscoverButtons();
}