<!--
   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 staticfiles %}

{% 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 type="module">
        window._spice_has_module_support = true;
    </script>
    <script>
        window.addEventListener("load", function() {
            if (window._spice_has_module_support) return;
            var loader = document.createElement("script");
            loader.src = '{% static "thirdparty/browser-es-module-loader/dist/browser-es-module-loader.js" %}';
            document.head.appendChild(loader);
        });
    </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("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) {
                password = spice_query_var('password', '');
                password = '{{ console_passwd | safe }}';
            }
            if (password === 'None') password = '';

            var path = spice_query_var('path', 'websockify');

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

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

            uri = scheme + host + ":" + 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(">> 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("<< 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("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();
            }
        }

        /* 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(sc);});
        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 %}