{% load i18n %}

<div id="machines" class="separator"></div>

<!-- the create button -->
<a id="create" rel="#wizard" href="#">{% trans "Create New +" %}</a>

<!-- changing between standard/list view -->
<div id="view-select">
    <a id="standard" href="/machines/standard">#</a>
    <span class="view-separator">|</span>
    <a id="list" href="/machines/list">=</a>
</div>

<!-- the form -->
<form action="#">
	<!-- scrollable root element -->
	<div class="modal" id="wizard">
		<!-- status bar -->
		<ul id="status">
			<li class="active"><strong>1.</strong> {% trans "Image" %}</li>
			<li><strong>2.</strong> {% trans "Machine" %}</li>
			<li><strong>3.</strong> {% trans "Review" %}</li>
		</ul>
		<!-- scrollable items -->
		<div class="items">
			<!-- pages -->
			<div class="page">
                <h2>{% trans "Select an OS" %}</h2>
                <ul class="tabs">
                    <li><a href="#">{% trans "standard" %}</a></li>
                    <li><a href="#">{% trans "custom" %}</a></li>
                </ul>
                <div class="panes">
		            <li id="image-template" style="display:none">
			            <label for="image.id"> 
                            <a>
                                <div class="image">
                                    <img src="" class="image-logo"/>
                                    <strong class="image-title">image.title</strong>
                                    <input class="radio" type="radio" name="image-id" id="image-id" />
                                    <br />
                                    <span class="description">image.description</span> 
                                    <span class="size">?? MB</span>                              
                                </div>
                            </a>
			            </label>
		            </li>
                    <ul class="pane" id="standard-images">
					    <!-- standard images -->
				    </ul>
                    <ul class="pane" id="custom-images">
					    <!-- custom images -->
                    </ul>
                </div>
				<button type="button" class="prev" id="cancel">{% trans "Cancel" %}</button>
				<button type="button" class="next right">{% trans "Next" %} &raquo;</button>
            </div>
			<div class="page">
				<h2>{% trans "Select CPU, RAM and storage" %}</h2>
                <ul>
                    <li>
                        <div class="machine-type">
                            <label for="small">
                                <input type="radio" id="small" name="machine-type" value="small" checked="true" />
                                <strong>{% trans "small" %}</strong>
                            </label>
                        </div>
                        <div class="machine-type">      
                            <label for="medium">
                                <input type="radio" id="medium" name="machine-type" value="medium" />                  
                                <strong>{% trans "medium" %}</strong>
                            </label>
                        </div>
                        <div class="machine-type">
                            <label for="large">
                                <input type="radio" id="large" name="machine-type" value="large" />
                                <strong>{% trans "large" %}</strong>
                            </label>
                        </div>
                        <div class="machine-type">
                            <label for="custom">
                                <input type="radio" name="machine-type" id="custom" value="large" />
                                <strong>{% trans "custom" %}</strong>
                            </label>
                        </div>
                    </li>
                    <li>
			            <label><strong class="sliders">CPU (cores)</strong></label>
                        <input type="range" id="cpu" style="display:none" />
                        <input type="text" class="range" id="cpu-indicator" />
                    </li>
                    <li>
			            <label><strong class="sliders">RAM (MB)</strong></label>
                        <input type="range" id="ram" style="display:none" />
                        <input type="text" class="range" id="ram-indicator" />

                    </li>
                    <li>
		                <label><strong class="sliders">Storage (GB)</strong></label>
                        <input type="range" id="storage" style="display:none" />
                        <input type="text" class="range" id="storage-indicator" />

                    </li>
                    <li>
                        <div class="cost">
                            {% trans "Cost per hour:" %} 20 {% trans "credits" %} | {% trans "Credits currently in account:" %} 10.000
                        </div>
                    </li>
                </ul>
				<button type="button" class="prev">&laquo; {% trans "Back" %}</button>
				<button type="button" class="next right">{% trans "Next" %} &raquo;</button>
            </div>
			<div class="page">
				<h2>{% trans "Confirm your settings" %}</h2>
                <ul>
                    <li class="required">
                        <label>
                            <strong>Machine name</strong>
                            <input type="text" class="text" name="machine_name" value="My Ubuntu 10.04 x86_64 server"/>
                        </label>
                    </li>
                    <li>
                        <strong>{% trans "Image:" %}</strong> <span id="machine_image-label">Ubuntu 10.04 x86_64 server</span>
                    </li>
                    <li>
                        <strong>{% trans "CPU:" %}</strong> <span id="machine_cpu-label">2</span> <span>{% trans "cores" %}</span>
                    </li>
                    <li>
                        <strong>{% trans "RAM:" %}</strong> <span id="machine_ram-label">1024</span><span>MB</span>
                    </li>
                    <li>
                        <strong>{% trans "Storage:" %}</strong> <span id="machine_storage-label">10</span><span>GB</span>
                    </li>
                    <li>
                        <strong>{% trans "Cost per hour:" %}</strong> <span>20 {% trans "credits" %}</span>
                    </li>
                    <li>
                        <strong>{% trans "Remaining credits:" %}</strong> <span>10.000</span>
                    </li>
                </ul>
				<button type="button" class="prev">&laquo; {% trans "Back" %}</button>
				<button type="button" class="next right" id="start">{% trans "Create VM" %}</button>        
            </div>
		</div>
	</div>
</form>

<!-- notification after wizard completion -->
<a id="notification" rel="#error-success" href="#"></a>

<div class="modal" id="error-success">
    <h3>{% trans "Error!/Success!" %}</h3>
    <p>{% trans "More details about the result"%}</p>
</div>

<!-- confirmation before executing an action -->
<a id="confirmation" rel="#yes-no" href="#"></a>

<div class="modal" id="yes-no">
    <h3>{% trans "You are about to xxx machine yyy" %}</h3>
    <p>{% trans "Are you sure you want to proceed?" %}</p>
    <button>{% trans "Yes" %}</button>
	<button>{% trans "No" %}</button>
</div>

<div id="machinesview"></div>

<div class="confirm_multiple">
    <p>{% trans "Your actions will affect" %} <span class="actionLen">XX</span> {% trans "machines" %}</p>
    <button class="yes">{% trans "Confirm All" %}</button>
	<button class="no">{% trans "Cancel All" %}</button>
</div>

<div id="machines" class="separator"></div>

<script>
// hardcoded image types
// TODO: get this from the metadata
var image_tags = {
                1: 'archlinux',
                2: 'centos',
                3: 'debian',
                4: 'freebsd',
                5: 'gentoo',
                6: 'netbsd',
                7: 'openbsd',
                8: 'redhat',
                9: 'slackware',
                10: 'suse',
                11: 'ubuntu',
                12: 'windows',
                20: 'ubuntu',
               };

// switch to list view
$("a#list").click(function(){
    list_view(); 
    return false;
});

// switch to standard view
$("a#standard").click(function(){
    standard_view();
    return false;
});

// launch VM creation wizard
$("a#create").click(function(){
    // launch wizard only if images and flavors are found
    if (images.length > 0  && flavors.length > 0) {
        $("#wizard").scrollable().begin();
        $("#wizard").show();
        $('a#create').data('overlay').load()   
    } else if (images.length == 0 ) {
        ajax_error('NO_IMAGES');
        return false;   
    } else if (flavors.length == 0) {
        ajax_error('NO_FLAVORS');
        return false;
    }
});

// create wizard overlay
$(function() { 
    $("a#create").overlay({
        mask: '#000', 
        effect: 'default', 
        top: '5%', 
        oneInstance: false,
        closeOnClick: false
    });
});

// wizard
$(function() {
    var root = $("#wizard").scrollable();
    var api = root.scrollable();
    // rangeinput with default configuration
    // validation logic is done inside the onBeforeSeek callback
    api.onBeforeSeek(function(event, i) {
	    // we are going 1 step backwards so no need for validation
	    if (api.getIndex() < i) {
             // 1. get current page
		     var page = root.find(".page").eq(api.getIndex()),
			 // 2. .. and all required fields inside the page
			 inputs = page.find(".required :input").removeClass("error"),
			 // 3. .. which are empty
			 empty = inputs.filter(function() {
				return $(this).val().replace(/\s*/g, '') == '';
			 });
		     // if there are empty fields, then
		    if (empty.length) {
			    // add a CSS class name "error" for empty & required fields
			    empty.addClass("error");
			    // cancel seeking of the scrollable by returning false
			    return false;
		    // everything is good
		    } 
	    }
	    // update status bar
	    $("#status li").removeClass("active").eq(i).addClass("active");
        // update confirm step
        if (api.getIndex()==0) {
            var image = $("input[type=radio][name=image-id]:checked");
            var imageRef = image.length ? image[0].id : false
            if (imageRef) {
                var imageName = $("label[for=" + imageRef + "] .image-title").text();
                $("#machine_image-label")[0].textContent = imageName;
                $("input[type=text][name=machine_name]")[0].value = "My " + imageName + " server";
            }
        } else if (api.getIndex()==1) {
            $("#machine_cpu-label")[0].textContent = $("#cpu-indicator")[0].value;
            $("#machine_ram-label")[0].textContent = $("#ram-indicator")[0].value;
            $("#machine_storage-label")[0].textContent = $("#storage-indicator")[0].value;
        }    
    });
    // if tab is pressed on the next button seek to next page
    root.find("button.next").keydown(function(e) {
	    if (e.keyCode == 9) {
		    // seeks to next tab by executing our validation routine
		    api.next();
		    e.preventDefault();
	    }
    });
});

// disable sliders in flavor selection
function disableSliders() {
    $("#cpu").attr('disabled',true);
    $("#ram").attr('disabled',true);
    $("#storage").attr('disabled',true);
}

// confirm all actions
$("div.confirm_multiple .yes").live('click', function(){
    while(pending_actions.length > 0){ // if there is a pending action for this server execute it
        action = pending_actions.pop(); // extract action
        var serverID = action[1];
        
        if ($.cookie("list") != '1') { // standard view
            $('#'+serverID+' .spinner').show();
            $('#'+serverID+' .selected').removeClass('selected');
            $('#'+serverID+' .display').removeClass('display');
        } else { // list view
            osIcon = $('#'+serverID).parent().parent().find('.list-logo');
            osIcon.attr('os',osIcon.attr('src'));
            osIcon.attr('src','static/progress.gif');
        }
        action[0]([serverID]); // execute action
    }
    update_confirmations();    
});

// cancel all actions
$("div.confirm_multiple .no").live('click', function(){
    pending_actions = [];
    $('.machine .selected').removeClass('selected');
    $('.machine .display').removeClass('display');
    update_confirmations();
});

// validate cpu input box
$("#cpu-indicator").live('change',function(){
    var v = Number(this.value);
    var i = cpus.indexOf(v);
    if (isNaN(v)) {
        $(this).value = cpus[0];
        $("#cpu").data('rangeinput').setValue(0);
    } else if (i == -1) {
        for (var j=0; j < cpus.length; j++)
            if (v<cpus[j])
                break;
        $("#cpu").data('rangeinput').setValue(j);
    } else {
        $("#cpu").data('rangeinput').setValue(i);
    }   
    return false;
});

// validate ram input box
$("#ram-indicator").live('change',function(){
    var v = Number(this.value);
    var i = ram.indexOf(v);
    if (isNaN(v)) {
        $(this).value = cpus[0];
        $("#ram").data('rangeinput').setValue(0);
    } else if (i == -1) {
        for (var j=0; j < ram.length; j++)
            if (v<ram[j])
                break;
        $("#ram").data('rangeinput').setValue(j);
    } else {
        $("#ram").data('rangeinput').setValue(i);
    }   
    return false;
});


// validate storage input box
$("#storage-indicator").live('change',function(){
    var v = Number(this.value);
    var i = disks.indexOf(v);
    if (isNaN(v)) {
        $(this).value = disks[0];
        $("#storage").data('rangeinput').setValue(0);
    } else if (i == -1) {
        for (var j=0; j < disks.length; j++)
            if (v<disks[j])
                break;
        $("#storage").data('rangeinput').setValue(j);
    } else {
        $("#storage").data('rangeinput').setValue(i);
    }   
    return false;
});

// selecting the small size
$("#small").click(function(){
    $("#cpu").data('rangeinput').setValue(0);
    $("#ram").data('rangeinput').setValue(0);
    $("#storage").data('rangeinput').setValue(0);
    $("#cpu-indicator")[0].value = cpus[0];
    $("#ram-indicator")[0].value = ram[0];
    $("#storage-indicator")[0].value = disks[0];
});

// selecting the medium size
$("#medium").click(function(){
    $("#cpu").data('rangeinput').setValue(1);
    $("#ram").data('rangeinput').setValue(1);
    $("#storage").data('rangeinput').setValue(1);
    $("#cpu-indicator")[0].value = cpus[1];
    $("#ram-indicator")[0].value = ram[1];
    $("#storage-indicator")[0].value = disks[1];    
});

// selecting the large size
$("#large").click(function(){
    $("#cpu").data('rangeinput').setValue(2);
    $("#ram").data('rangeinput').setValue(2);
    $("#storage").data('rangeinput').setValue(2);
    $("#cpu-indicator")[0].value = cpus[2];
    $("#ram-indicator")[0].value = ram[2];
    $("#storage-indicator")[0].value = disks[2];    
});

// selecting the custom flavor enables the sliders
$("#custom").click(function(){
    $("#cpu").attr('disabled',false);
    $("#ram").attr('disabled',false);
    $("#storage").attr('disabled',false);
    $("strong.sliders").style = 'color: #778899;';
});

// exit the wizard
$("#cancel").click(function(){
    $("a#create").overlay().close();
});

// starting a new VM through the wizard
$("#start").click(function(){
    var imageRef = $('input[type=radio][name=image-id]:checked')[0].id.replace('img-radio-','');   
    var flavorRef = identify_flavor($("#cpu-indicator")[0].value, $("#storage-indicator")[0].value, $("#ram-indicator")[0].value);
    var machineName = $('input[name=machine_name]')[0].value;

    create_vm(machineName, imageRef, flavorRef);

    $('a#create').data('overlay').close();
    $("#emptymachineslist").hide();

    try{console.warn('creating ' + $("input[name=machine_name]")[0].value)} catch(err){}

    $("#wizard").hide();
});

// basic functions executed on page load
if (images.length > 0) {
    // populate image list
    update_wizard_images();
}
if (flavors.length > 0) {
    // configure flavors
    update_wizard_flavors(); 
}
// create tabs for main menu
$("ul.tabs").tabs("div.panes ul");

$(window).resize(function(){
    if (this.innerHeight - 200 < $('#machinesview').height())
        $('.confirm_multiple').addClass('fixed');
    else
        $('.confirm_multiple').removeClass('fixed');
});

</script>