/* Narcissus Online Image generator

(c) Koen Kooi 2008 - 2010

This is licensed under the terms of the GPLv2

*/

var packagelist = new Array;
var packagestring = "";
var opackage = "";
var progress_text = ""
var FAIL_image = "<img src='img/X_mark.png'>";
var succes_image = "<img src='img/Green_tick.png'>";
var repourl = "http://www.angstrom-distribution.org/repo/?pkgname=";

//var workerurl = 'http://dominion.thruhere.net/koen/narcissus/backend.php';
//var workerurl = 'http://amethyst.openembedded.net/~koen/narcissus/backend.php';
var workerurl = "backend.php";

function initForm() {
	/* load list of machines using javascript, change the .html to .php to generate the list at runtime */
	$('#machinedialog').load('machine-list.html #machinelist');
	//$('#releaseconfig').load('conf/' + machinename + '/config-list.html #configlist');
	
	var currentTime = new Date();
	var unixTime = "" + currentTime.getTime();
	document.entry_form.name.value = "random-" + MD5(unixTime).substr(4,8);
	
	toggleVisibility('packageblock');
	toggleVisibility('expert');

	toggleVisibility('devel');
	toggleVisibility('console_packages');
	toggleVisibility('platform_packages');
	toggleVisibility('network_packages');

	toggleVisibility('packageblock');
	toggleVisibility('x11_packages');
	toggleVisibility('java_packages');
	
	environmentChange();
	showValues();
}

function environmentChange() {
	if(document.entry_form.environment.selectedIndex == 1) {
		showHideElement('x11_packages_block', 1);
		showHideElement('x11_wm_block', 1);
	}
	else {
		showHideElement('x11_packages_block', 0);
		showHideElement('x11_wm_block', 0);
	}
}

function sdkChange() {
	if(document.entry_form.SDK.selectedIndex == 0) {
		showHideElement('sdkhost', 0);
	}
	else {
		showHideElement('sdkhost', 1);
	}
}

function guruChange() {
	toggleVisibility('expert');
}

// Removes redundant elements from the array
function unique(a)
{
   var r = new Array();
   o:for(var i = 0, n = a.length; i < n; i++) {
	  for(var x = i + 1 ; x < n; x++)
	  {
		 if(a[x]==a[i]) continue o;
	  }
	  r[r.length] = a[i];
   }
   return r;
}

function showValues() {
	var extratext = "";
	var machinename = "";
	var fields = $(":input").serializeArray();
	$("#results").empty();
	$("#additional_packages").empty();
	jQuery.each(fields, function(i, field){

		switch(field.name) {
		case 'machine':
			machinename = field.value;
			$("#results").append("Machine: " + field.value + "<br/>");
			$('#releaseconfig').load('conf/' + machinename + '/config-list.html #configlist');
			break;
		case 'name':
			$("#results").append("Image name: " + field.value + "<br/>");
			break;
		case 'pkg':
			break;
		case 'devmanager':
			break;
		case 'configs':
			break;
		case 'imagetype':
			$("#results").append("Image type: " + field.value + "<br/> ");
			break;
		case 'guru':
			break;
		case 'manifest':
			break;
        case 'SDK':
            break;
        case 'sdkarch':
            break;
		default:
			extratext = extratext + field.value + " ";
			break;  
		}
	});
	
	pkg_array = extratext.split(' ');
	pkg_array.sort();
	extratext = unique(pkg_array).join('<br/>');
	$("#additional_packages").append(extratext);
}

function showSummary(){
	document.getElementById('summary').innerHTML = '<b>Summary:</b><br/><br/>Machine: ' + document.entry_form.machine.value + '<br/>Release: ' + document.entry_form.configs.value + '<br/>Name: ' + document.entry_form.name.value;
}

function configureImage(){
	showHideElement('image_progress',0);
	
	document.getElementById('image_link').innerHTML = "";
	document.getElementById('configure_progress').innerHTML = "";
	document.getElementById('image_progress').innerHTML = "";
	
	packagestring = concatArray(document.entry_form.pkg);
	
	if (packagestring == "" || packagestring == " ") {
 		document.getElementById('imgstatus').innerHTML = "You have to select the base system, try 'task-boot' to get a minimal set.";
		return; 
	}
	
	document.getElementById('beverage').innerHTML = "Depending on the load of this machine and the feed server the process might take a few <b>minutes</b>, so get a beverage of your choice and <b>DON'T</b> hit refresh."
	
	slideUp('packageblock');
	slideUp('settings');
	
	
	var devmanager = "";
	for (i = 0; i < document.entry_form.devmanager.length; i++) {
		if (document.entry_form.devmanager[i].checked) {
			devmanager = document.entry_form.devmanager[i].value
		}
	}  
	
	packagestring += " " + devmanager + " angstrom-version tinylogin initscripts sysvinit sysvinit-pidof ";
	packagestring += " " + concatArray(document.entry_form.devel);
	packagestring += " " + concatArray(document.entry_form.console_packages);
	packagestring += " " + concatArray(document.entry_form.platform_packages);
	packagestring += " " + concatArray(document.entry_form.network_packages);
	
	packagestring += " " + document.entry_form.environment.value;
	if(document.entry_form.environment.selectedIndex == 1) {
		packagestring += " " + concatArray(document.entry_form.wm); 
		packagestring += " " + concatArray(document.entry_form.x11_packages);
	}
	
	var packagelisttemp = packagestring.split(" ");
	packagelist = unique(packagelisttemp);
	
	progress_text = "<br/><br/><table>\n";
	progress_text += "<tr><td colspan=\"2\">Preconfiguring image</td><td></td><td id='td-configure'></td></tr>\n";
	progress_text += "<tr><td colspan=\"2\">Installing packages:</td><td></td><td id='td-package'></td></tr>\n";
	
	for (var i in packagelist) {
		if (packagelist[i] != "" && packagelist[i] != " ") {
			progress_text += "<tr><td>&nbsp;</td><td><a href='" + repourl + packagelist[i] + "' target='foo'>" + packagelist[i] + "</a></td><td>&nbsp;</td><td><div id=\"td-" +  packagelist[i] + "\"></div></td></tr>\n";
		}	
	}
	
	progress_text += "<tr><td colspan=\"2\">Assembling image</td><td></td><td id='td-assemble'></td></tr>\n";
	progress_text += "</table>\n";
		
	document.getElementById('pkg_progress').innerHTML = progress_text;
	var params = 'action=configure_image&machine=' + document.entry_form.machine.value + '&release=' + document.entry_form.configs.value + '&name=' + document.entry_form.name.value;
	
	$.ajax({
	   type: "POST",
	   url: workerurl,
	   data: params,
	   success: function(msg){
		showHideElement('configure_progress', 0);
		document.getElementById('configure_progress').innerHTML = msg;
		document.getElementById('td-configure').innerHTML = succes_image;
		installPackage("test");
	   }
	 });
}

function assembleImage(){
	
	var imagetype = "";
	for (i = 0; i < document.entry_form.imagetype.length; i++) {
		if (document.entry_form.imagetype[i].checked) {
			imagetype = document.entry_form.imagetype[i].value
		}
	}
		
	var params = 'action=assemble_image&machine=' + document.entry_form.machine.value + '&name=' + document.entry_form.name.value + '&imagetype=' + imagetype + '&manifest=' + document.entry_form.manifest.value + '&sdk=' + document.entry_form.SDK.value + '&sdkarch=' + document.entry_form.sdkarch.value;
	$.ajax({
		   type: "POST",
		   url: workerurl,
		   data: params,
		   success: function(msg){
				showHideElement('image_progress',0);
				document.getElementById('image_progress').innerHTML = msg;
				if(document.getElementById('retval-image').innerHTML == "0") {
					document.getElementById('td-assemble').innerHTML = succes_image;
				}
				else {
					document.getElementById('td-assemble').innerHTML = FAIL_image;
				}		
				showImagelink();
			}
		});

}

function installPackage(){
	if (packagelist != "" && packagelist != " ") {
		var params = 'action=install_package&machine=' + document.entry_form.machine.value + '&name=' + document.entry_form.name.value + '&pkgs=' + packagelist;
		$.ajax({
		   type: "POST",
		   url: workerurl,
		   data: params,
		   success: function(msg){
				document.getElementById('image_progress').innerHTML = msg;
				if(document.getElementById('imgsize')) {
					document.getElementById('imgstatus').innerHTML = "<br/>\nCurrent uncompressed image size: " + document.getElementById('imgsize').innerHTML.split(" ")[1];
				}	
				for(var i=0; i < packagelist.length; i++){
					var progress_id = 'td-' + packagelist[i];	
					var return_code = packagelist[i] + '-returncode';
					// We grep for an error code, so '0' is indeed an error
					if(document.getElementById(return_code)) {
						if(document.getElementById(return_code).innerHTML == "0") {
							document.getElementById(progress_id).innerHTML = FAIL_image;
						}	
						else {
							document.getElementById(progress_id).innerHTML = succes_image;
						}
					}
				}
				assembleImage("test");
		   }
		 });
 	}
}

function showImagelink(){
	var imagetype = "";
	for (i = 0; i < document.entry_form.imagetype.length; i++) {
		if (document.entry_form.imagetype[i].checked) {
			imagetype = document.entry_form.imagetype[i].value
		}
	}
	
	var params = 'action=show_image_link&machine=' + document.entry_form.machine.value + '&name=' + document.entry_form.name.value + '&imagetype=' + imagetype + '&manifest=' + document.entry_form.manifest.value  + '&sdk=' + document.entry_form.SDK.value + '&sdkarch=' + document.entry_form.sdkarch.value;
	$.ajax({
	   type: "POST",
	   url: workerurl,
	   data: params,
	   success: function(msg){
	   		if(document.getElementById('imgsize')) {
				var image_size = "<br/>\nCurrent uncompressed image size: " + document.getElementById('imgsize').innerHTML.split(" ")[1];
				document.getElementById('imgstatus').innerHTML = image_size;
			}
			document.getElementById('image_link').innerHTML = msg;
			pulsate(document.getElementById('image_link'))
		}
	 });
}



function showHideElement(elementId, showHideFlag) {
	var elementObj = document.getElementById(elementId);
	if(showHideFlag == 1) {
		elementObj.style.display = '';
	} 
	else if(showHideFlag == 0) {
		elementObj.style.display = 'none';
	}
}

function toggleVisibility(elementId) {
	var elementObj = document.getElementById(elementId);
	if (elementObj.style.display == '') {
		elementObj.style.display = 'none';
	}
	else {
		elementObj.style.display = '';
	}
}

function concatArray(varArray) {
	var packageslist = "";
	for(var i=0; i < varArray.length; i++){
		if(varArray[i].checked) {
			packageslist += varArray[i].value + " ";
		}
	}	
	return packageslist   
}