{% extends "base.html" %}
{% block content %}
<h2>Images I Own</h2>
<div class="row">
{% for image in images %}
    <div class="col-12 col-md-6 col-lg-4 col-xl-3 mb-3">
        <div class="card h-100">
            <div class="card-header">
                <h3>Image {{image.id}}</h3>
            </div>
            <ul class="list-group list-group-flush h-100">
                <li class="list-group-item">id: {{image.id}}</li>
                <li class="list-group-item">lab: {{image.from_lab.name}}</li>
                <li class="list-group-item">name: {{image.name}}</li>
                <li class="list-group-item">description: {{image.description}}</li>
                <li class="list-group-item">host profile: {{image.host_type.name}}</li>
            </ul>
            <div class="card-footer">
                <button class="btn btn-danger w-100" onclick='delete_image({{image.id}});'
                    data-toggle="modal" data-target="#imageModal">
                    Delete
            </button>
            </div>
        </div>
    </div>
{% empty %}
    <div class="col">
        <p>You don't have any images. You can create an image by creating a snapshot.</p>
    </div>
{% endfor %}
</div>

<h2>Public Images</h2>
<div class="row">
    {% for image in public_images %}
        <div class="col-12 col-md-6 col-lg-4 col-xl-3 mb-3">
            <div class="card h-100">
                <div class="card-header">
                    <h3>Image {{image.id}}</h3>
                </div>
                <ul class="list-group list-group-flush h-100">
                    <li class="list-group-item">id: {{image.id}}</li>
                    <li class="list-group-item">lab: {{image.from_lab.name}}</li>
                    <li class="list-group-item">name: {{image.name}}</li>
                    <li class="list-group-item">description: {{image.description}}</li>
                    <li class="list-group-item">host profile: {{image.host_type.name}}</li>
                </ul>
            </div>
        </div>
    {% empty %}
        <div class="col">
            <p>There are no public images.</p>
        </div>
    {% endfor %}
</div>

<script>
    var current_image_id = -1;
    var used_images = {{used_images|safe|default:"{}"}};
    function delete_image(image_id) {
        current_image_id = image_id;
        var warning_header = document.getElementById("warning_header");
        var warning_text = document.getElementById("warning_text");
        var delete_image_button = document.getElementById("final_delete_b");
        clear(warning_header);
        clear(warning_text);
        if(used_images[image_id]) {
            warning_header.appendChild(
                document.createTextNode("Cannot Delete")
            );
            warning_text.appendChild(
                document.createTextNode("This snapshot is being used in a booking.")
            );
            delete_image_button.disabled = true;
        } else {
            warning_header.appendChild(
                document.createTextNode("Are You Sure?")
            );
            warning_text.appendChild(
                document.createTextNode("This cannot be undone")
            );
            delete_image_button.removeAttribute("disabled");
        }
    }

    function submit_delete_form() {
        var ajaxForm = $("#image_delete_form");
        var formData = ajaxForm.serialize();
        req = new XMLHttpRequest();
        var url = "delete/" + current_image_id;
        req.open("POST", url, true);
        req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
        req.onerror = function() { alert("problem submitting form"); }
        req.send(formData);
    }

    function clear(node) {
        while(node.lastChild) {
            node.removeChild(node.lastChild);
        }
    }
</script>
<div class="modal fade" id="imageModal" tabindex="-1" role="dialog" aria-hidden="true">
    <div class="modal-dialog" role="document">
        <div class="modal-content">
            <div class="modal-header">
                <h4 class="modal-title d-inline float-left">Delete Configuration?</h4>
                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                    <span aria-hidden="true">&times;</span>
                </button>
            </div>
            <form id="image_delete_form">
                {% csrf_token %}
            </form>
            <div class="modal-footer d-flex flex-column">
                <div class="mb-2">
                    <button type="button" class="btn btn-outline-secondary" data-dismiss="modal">Close</button>
                    <button type="button" class="btn btn-danger" data-toggle="collapse" data-target="#warning">Delete</button>
                </div>
                <div class="collapse w-100 text-center border-top" id="warning">
                    <div class="p-4">
                        <h3 id="warning_header">Are You Sure?</h3>
                        <p id="warning_text">This cannot be undone</p>
                        <button class="btn btn-outline-secondary" data-dismiss="modal">Nevermind</button>
                        <button id="final_delete_b" class="btn btn-danger" data-dismiss="modal" onclick="submit_delete_form();">I'm Sure</button>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
{% endblock %}