// Javascript functions

function injs() {	
		jQuery('ul.sf-menu').superfish();

		// got this next part from:
		// http://nettuts.com/javascript-ajax/how-to-load-in-and-animate-content-with-jquery/	
		// Check for hash value in URL

 		var hash = window.location.hash.substr(1);
		var fullLoc = hash;
		//alert(hash);
		// check to see if there is a query of it.
		if(hash.indexOf("?") !=-1){
			hash = 	hash.slice(0,hash.indexOf("?"));
		//	alert(hash);
		}
		var href = $('#sf-menu li a').each(function(){
			var href = $(this).attr('href');
			// alert(href + " = " + hash + "?");
			if(hash==href){
				var toLoad = fullLoc;
				$('#main').load(toLoad)
				// change the document title
				var subM = href.slice(0,href.indexOf(".php"));
				document.title = "xCAT: " + subM;
    			} 
		});

		// if no page is specified load the default main page.
		if(hash == false ){
			$('#main').load('main.php');
			document.title = "xCAT Control Center";
		}


    $('#sf-menu li a').click(function(){
			var toLoad = $(this).attr('href');
			$('#main').hide('fast',loadContent);
			$('#load').remove();
			$('#wrapper').append('<span id="load">LOADING...</span>');
			$('#load').fadeIn('normal');
			// update the location
			// window.location.hash = $(this).attr('href').substr(0,$(this).attr('href').length-5);
			window.location.hash = $(this).attr('href');
			// update the title
			document.title = "xCAT: " + $(this).attr('href').slice(0,$(this).attr('href').indexOf(".php"));

			function loadContent() {
				$('#main').load(toLoad,'',showNewContent())
			}

			function showNewContent() {
    		$('#main').show('normal',hideLoader());
			}
			function hideLoader() {
				$('#load').fadeOut('normal');
			}
			return false;
		});


		// code for processing form
		var options = {
			target: '#main',
			url: 'command.php'
		}
		$('#cmdForm').hover(function(){
			$(this).css("background", "url(img/cmd-active.png) no-repeat")
			},function(){
			$(this).css("background", "url(img/cmd.png) no-repeat")
		});
		$('#cmdForm').ajaxForm(options);
		$('#cmd').focus(function() {
			this.value	= "";
		});
}


function loadConfigTab(tab) {
	// if they don't add a table definition, just go to the
	// main page.
	if(tab === undefined){
		document.title = "xCAT: config";
    		$('#main').load('config.php');
		window.location.hash = "config.php";
	}else{
		// update the title
		document.title = "xCAT: config " + tab;
		// update the URL
		window.location.hash = "config.php?t=" + tab;
	
		// load the page
		$('#main').load('config.php?t=' + tab);
	}
}


function controlCmd(cmd, nr){
	//var nrt = $("#nrcmdnoderange").html();
	// strip off Noderange:
	//var nr = nrt.split(" ");
	//nr = nr[1];
	$("#nrcmdnodegrange").text("Noderange: " + nr);
	$("#nrcmdcmd").text("Action: " + cmd);
	// update window command
	window.location.hash = "control.php?nr="+ nr + "&cmd=" + cmd;
	$('#rangedisplay').empty().html('<img src="img/throbber.gif">');	
	$('#rangedisplay').load('rangeDisplay.php?t=control&nr='+nr+'&cmd='+cmd);
}

function loadMainPage(page){
	// blank the page out
	$('#main').empty().html('<img src="img/throbber.gif">');	

	// change the title to the new one.
	var subM = page.slice(0,page.indexOf(".php"));
	document.title = "xCAT: " + subM;


	// load the page
	$('#main').load(page);

	// change the URL
	window.location.hash = page;
}



// call this to update the table with unique log entries.  
// we should probably be more robust cause we may miss some entries
// that happen at the same time.
function tableUpdater(count,oldEntry){

	// The first time this is called, oldEntry is nothing.
	if(oldEntry == ''){
		// this is the base date.
		oldEntry = "<tr>" + $("table tbody tr").html() + "</tr>";
	}

	$.get( "logentry.php?l="+count, function(html) {
			// get the existing entry and see if it matches:
			// we have to format it a little bit to make it match:
			var newEntry = html;
			if(oldEntry != newEntry) {
				// The next test we have to do is be sure that they 
				// newEntry is newer than old entry, just cause we see
				// bugs here when its going really fast
				if(badDates(oldEntry, newEntry)){
					// we're done cause the dates were bad.  Just stop here.
					t=setTimeout("tableUpdater(0,'')",5000);
					return;
				}
				// append this output to table body
				$("table tbody").append(html);
				// trigger the update
				$("table").trigger("update");
				// sort on first and second column with newest 
				// entry first 0 - column 0, 1- descending order
				var sorting = [ [0,1], [1,1]];
				$("table").trigger("sorton",[sorting]);

				// see if there were any more 
				tableUpdater(count + 1,oldEntry);
			}else{
				// The enties mached so now we're done looping.
				// we'll wait for 5 seconds and see if something new comes.
				//alert('dates are the same');
				t=setTimeout("tableUpdater(0,'')",5000);
			}
		});
}

// make sure that old entry is actually older than new entry
function badDates(oldEntry,newEntry){
	var rc = 1;
	// brute force regular expressions!!!
	var oldDay = oldEntry.replace(/<tr>\n<td>(\w+\s+\d+).*\n.*\n.*\n.*\n.*\n.*/gi,"$1");
	var newDay = newEntry.replace(/<tr>\n<td>(\w+\s+\d+).*\n.*\n.*\n.*\n.*\n.*/gi,"$1");
	var oldTime = oldEntry.replace(/<tr>\n<td>.*\n<td>(\d+:\d+:\d+).*\n.*\n.*\n.*\n.*/gi,"$1");
	var newTime = newEntry.replace(/<tr>\n<td>.*\n<td>(\d+:\d+:\d+).*\n.*\n.*\n.*\n.*/gi,"$1");
	//alert(newDay + '\n' + newTime);
	//alert(oldDay + '\n' + oldTime);
	// assume these happened in the same year...
	var d = new Date();
	var year = d.getFullYear();
	//alert('old date: ' + oldDay + ", " + year + " " + oldTime);
	var oDate = new Date(oldDay + ", " + year + " " + oldTime);
	var nDate = new Date(newDay + ", " + year + " " + newTime);
	//alert(oDate + nDate);	
	if(oDate.getTime() < nDate.getTime()){
		rc = 0;
	}
	return rc;
}

// These functions are the wizard for installing an OS:
// the screen has two divs: part1 and part2.
// as we walk through the  menues we start updateing.
// First we grab the OS:

// function for changing OS version type
function changeOS(){
	var os = $('#os').val();
	$("#nrcmdos").text("Operating System: " + os);
	if(os != ''){
		$("#part2").fadeIn(2000);	
	}else{
		// if you select null, then go back to the start
		$("#part2").css({'display' : 'none'});
	}
}


// next we grab the architecture.

function changeArch(){
	var arch = $("#arch").val();
	$("#nrcmdarch").text("Architecture: " + arch);
	// make sure its not an empty string
	if(arch != ''){
		var os = $("#nrcmdos").text();
		// have to get the OS, its :<space> then the value
		// that's why I add 2
		os = os.slice(os.indexOf(':')+2);
		var uri = '/install/' + os + '/' + arch + '/';
		$('#part1').empty().html('checking if media is present for ' + uri + '...');
		$('#part2').empty().html('<img src="img/throbber.gif">');	
		$('#part2').load(uri,"",
			function(responseText,textStatus,XMLHttpRequest) {

				if(textStatus == 'error'){
					$('#part2').empty();
					$('#part1').html("Looks like you need to copy the media first.  Please run copycds for " + os  + '-' + arch + '<br>Click on a noderange to start over');
				}else {
					$('#part1').empty();
					$('#part2').empty();
					$("#part3").fadeIn(2000);	
				}
			}
		);
	}
}


function changeMeth(){
	var meth = $('#method').val();
	if(meth != ''){
		$("#nrcmdmethod").text("Install Method: " + meth);
		$("#part3").empty();
		// get the OS:
		var os = $("#nrcmdos").text();
		os = os.slice(os.indexOf(':')+2);
		// get the Arch:
		var arch = $("#nrcmdarch").text();
		arch = arch.slice(arch.indexOf(':')+2);
		// get the noderange:
		var nr = $("#nrcmdnoderange").text();
		nr = nr.slice(nr.indexOf(':')+2);
		$("#part1").load('lib/profiles.php?nr='+nr+'&m='+meth+'&o='+os+'&a='+arch);
	}	
}

function changeProf(){
	var prof = $('#prof').val();
	if(prof != ''){
		$("#nrcmdprofile").text("Profile: " + prof);
		// get the OS:
		var os = $("#nrcmdos").text();
		os = os.slice(os.indexOf(':')+2);
		// get the Arch:
		var arch = $("#nrcmdarch").text();
		arch = arch.slice(arch.indexOf(':')+2);
		// get the noderange:
		var nr = $("#nrcmdnoderange").text();
		nr = nr.slice(nr.indexOf(':')+2);
		// get the method:
		var meth = $("#nrcmdmethod").text();
		meth = meth.slice(meth.indexOf(':')+2);

		// ask if this is really what they want to do.
		$("#part1").empty().html("Ok, xCAT is ready to provision the noderange <b>"+nr+"</b> with <b>"+os+"-"+arch+"-"+prof+"</b>  These nodes will be provisioned via the "+meth+" method.<br><br>Are you sure you want to do this?<br><br>")  
		$("#part2").empty().html("<a class='button' id='doit'><span>Yes, Do it!</span></a>");

		$("#doit").click(function(){
				var args = "nodetype.os="+os+" nodetype.arch="+arch+" nodetype.profile="+prof;
				$("#part1").empty().html("running: <i>nodech "+nr+ " "+args+"</i>");
				// put the waiting image while we run the command:
				$('#part2').empty().html('<img src="img/throbber.gif">');	
				// change the args so that we don't ask for any spaces:
				// we have to do this to encode it to the URL
				// yes, this does suck and no, I don't think
				// this function could be any more confusing.
				args = args.replace(/ /g, '+');
				$('#part2').load('command.php?nr='+nr+'&cmd=nodech&args='+args,'',
				function(responseText,textStatus,XMLHttpRequest) {
					if(textStatus != 'error'){
						$('#part2').html('Success.');
						$('#part3').html('running: <i>nodeset '+nr+' '+meth+'</i>');	
						$('#part4').html('<img src="img/throbber.gif">');	
						$('#part4').fadeIn('normal');	
						$('#part4').load('command.php?nr='+nr+'&cmd=nodeset&args='+meth,
							function(responseText,textStatus,XMLHttpRequest) {
								if(textStatus != 'error'){
									$('#part4').html('Success.'+responseText);
									$('#part5').html('running: <i>rpower '+nr+' boot</i>');
									$('#part5').fadeIn('normal');	
									$('#part6').html('<img src="img/throbber.gif">');	
									$('#part6').fadeIn('normal');	
									$('#part6').load('command.php?nr='+nr+'&cmd=rpower&args=boot',
										function(responseText,textStatus,XMLHttpRequest) {
											if(textStatus != 'error'){
												$('#part6').html('Nodes have rebooted and should be installing...'+responseText);
											}
										}
									);
								}
							}
						);
					}else{
						$('#part2').html('There was a problem...');
					}
				}
				);
			}
		);
	} // so yeah, all these }'s and )'s really suck.  I hope you never have to
		// debug this.  If you do, please make this code easier to read.
}
// load progress bar
myBar.loaded('xcat.js');