<!--
   Copyright (C) 2012 by Jeremy P. White <jwhite@codeweavers.com>

   This file is part of spice-html5.

   spice-html5 is free software: you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   spice-html5 is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with spice-html5.  If not, see <http://www.gnu.org/licenses/>.

   --------------------------------------------------
    Spice Javascript client template.
    Refer to main.js for more detailed information
   --------------------------------------------------

-->
{% extends "console-base.html" %}
{% load i18n %}
{% load static %}

{% block head %}
<title>WebVirtCloud - Spice - Lite</title>
<link rel="stylesheet" type="text/css" href="{% static "js/spice-html5/spice.css" %}" />

<!-- ES2015/ES6 modules polyfill -->
<script nomodule src='{% static "thirdparty/browser-es-module-loader/dist/browser-es-module-loader.js" %}'></script>

<script type="module" crossorigin="anonymous">
    import * as SpiceHtml5 from '{% static "js/spice-html5/main.js" %}';

    var host = null, port = null;
    var sc;

    function spice_set_cookie(name, value, days) {
        var date, expires;
        date = new Date();
        date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
        expires = "; expires=" + date.toGMTString();
        document.cookie = name + "=" + value + expires + "; path=/";
    };

    function spice_query_var(name, defvalue) {
        var match = RegExp('[?&]' + name + '=([^&]*)').exec(window.location.search);
        return match ? decodeURIComponent(match[1].replace(/\+/g, ' ')) : defvalue;
    }

    function spice_error(e) {
        disconnect();
        if (e !== undefined && e.message === "Permission denied.") {
            var pass = prompt('{% trans "Password" %}');
            connect(pass);
        }
    }

    function connect(password) {
        var host, port, scheme = "ws://", uri;

        // By default, use the host and port of server that served this file
        // host = spice_query_var('host', window.location.hostname);
        host = '{{ ws_host| safe }}';

        // Note that using the web server port only makes sense
        //  if your web server has a reverse proxy to relay the WebSocket
        //  traffic to the correct destination port.
        var default_port = window.location.port;
        if (!default_port) {
            if (window.location.protocol == 'http:') {
                default_port = 80;
            }
            else if (window.location.protocol == 'https:') {
                default_port = 443;
            }
        }
        //port = spice_query_var('port', default_port);
        port = '{{ ws_port| safe }}';
        if (window.location.protocol == 'https:') {
            scheme = "wss://";
        }

        // If a token variable is passed in, set the parameter in a cookie.
        // This is used by nova-spiceproxy.
        var token = spice_query_var('token', null);
        if (token) {
            spice_set_cookie('token', token, 1)
        }

        if (password === undefined) {
            {% if perms.instances.passwordless_console %}
                password = '{{ console_passwd }}';
            {% else %}
                password = prompt('{% trans "Password" %}');
            {% endif %}
            //password = '{{ console_passwd | safe }}';
        }
        if (password === 'None') password = '';

        //var path = spice_query_var('path', 'websockify');
        var path = spice_query_var('path', '{{ ws_path }}');

        if ((!host) || (!port)) {
            console.log('{% trans "must specify host and port in URL" %}');
            return;
        }

        if (sc) {
            sc.stop();
        }

        // uri = scheme + host + ":" + port;
        uri = scheme + "{{ ws_host }}:{{ ws_port }}";

        if (path) {
            uri += path[0] == '/' ? path : ('/' + path);
        }

        try {
            sc = new SpiceHtml5.SpiceMainConn({
                uri: uri, screen_id: "spice-screen", dump_id: "debug-div",
                message_id: "message-div", password: password, onerror: spice_error, onagent: agent_connected
            });
        }
        catch (e) {
            alert(e.toString());
            disconnect();
        }

    }

    function disconnect() {
        console.log(">>" + '{% trans "disconnect" %}');
        if (sc) {
            sc.stop();
        }
        if (window.File && window.FileReader && window.FileList && window.Blob) {
            var spice_xfer_area = document.getElementById('spice-xfer-area');
            if (spice_xfer_area != null) {
                document.getElementById('spice-area').removeChild(spice_xfer_area);
            }
            document.getElementById('spice-area').removeEventListener('dragover', SpiceHtml5.handle_file_dragover, false);
            document.getElementById('spice-area').removeEventListener('drop', SpiceHtml5.handle_file_drop, false);
        }
        console.log("<<" + '{% trans "disconnect" %}');
    }

    function agent_connected(sc) {
        window.addEventListener('resize', SpiceHtml5.handle_resize);
        window.spice_connection = this;

        SpiceHtml5.resize_helper(this);

        if (window.File && window.FileReader && window.FileList && window.Blob) {
            var spice_xfer_area = document.createElement("div");
            spice_xfer_area.setAttribute('id', 'spice-xfer-area');
            document.getElementById('spice-area').appendChild(spice_xfer_area);
            document.getElementById('spice-area').addEventListener('dragover', SpiceHtml5.handle_file_dragover, false);
            document.getElementById('spice-area').addEventListener('drop', SpiceHtml5.handle_file_drop, false);
        }
        else {
            console.log('{% trans "File API is not supported" %}');
        }
    }

    function fullscreen() {
        var screen = document.getElementById('spice-screen');
        if (screen.requestFullscreen) {
            screen.requestFullscreen();
        } else if (screen.mozRequestFullScreen) {
            screen.mozRequestFullScreen();
        } else if (screen.webkitRequestFullscreen) {
            screen.webkitRequestFullscreen();
        } else if (screen.msRequestFullscreen) {
            screen.msRequestFullscreen();
        }
    }

    function sendctrlaltfn(f) {
        SpiceHtml5.sendCtrlAltFN(sc, f);
        return false;
    }

    function sendCtrlAltDel() {
        SpiceHtml5.sendCtrlAltDel(sc);
        return false;
    }

    /* SPICE port event listeners
    window.addEventListener('spice-port-data', function(event) {
        // Here we convert data to text, but really we can obtain binary data also
        var msg_text = arraybuffer_to_str(new Uint8Array(event.detail.data));
        DEBUG > 0 && console.log('SPICE port', event.detail.channel.portName, 'message text:', msg_text);
    });

    window.addEventListener('spice-port-event', function(event) {
        DEBUG > 0 && console.log('SPICE port', event.detail.channel.portName, 'event data:', event.detail.spiceEvent);
    });
    */
    document.getElementById("fullscreen_button").addEventListener('click', fullscreen);
    document.getElementById('ctrlaltdel').addEventListener('click', function () { sendCtrlAltDel(); });
    document.getElementById('ctrlaltf1').addEventListener('click', function () { sendctrlaltfn(0) });
    document.getElementById('ctrlaltf2').addEventListener('click', function () { sendctrlaltfn(1) });
    document.getElementById('ctrlaltf3').addEventListener('click', function () { sendctrlaltfn(2) });
    document.getElementById('ctrlaltf4').addEventListener('click', function () { sendctrlaltfn(3) });
    document.getElementById('ctrlaltf5').addEventListener('click', function () { sendctrlaltfn(4) });
    document.getElementById('ctrlaltf6').addEventListener('click', function () { sendctrlaltfn(5) });
    document.getElementById('ctrlaltf7').addEventListener('click', function () { sendctrlaltfn(6) });
    document.getElementById('ctrlaltf8').addEventListener('click', function () { sendctrlaltfn(7) });
    document.getElementById('ctrlaltf9').addEventListener('click', function () { sendctrlaltfn(8) });
    document.getElementById('ctrlaltf10').addEventListener('click', function () { sendctrlaltfn(9) });
    document.getElementById('ctrlaltf11').addEventListener('click', function () { sendctrlaltfn(10) });
    document.getElementById('ctrlaltf12').addEventListener('click', function () { sendctrlaltfn(11) });
    connect(undefined);
</script>
{% endblock %}
{% block content %}
<div id="spice-area">
    <div id="spice-screen" class="spice-screen"></div>
</div>

<div id="message-div" class="spice-message"></div>

<div id="debug-div">
    <!-- If DUMPXXX is turned on, dumped images will go here -->
</div>
{% endblock %}