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<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8"/>
        <meta name="viewport" content="width=device-width, initial-scale=1"/>
        <meta http-equiv="Content-Security-Policy" content="default-src 'self' 'unsafe-inline'; media-src 'self' https://*.googlevideo.com; {{ "img-src 'self' https://*.googleusercontent.com https://*.ggpht.com https://*.ytimg.com;" if not settings.proxy_images else "" }}"/>
        <title>{{ page_title }}</title>
        <link title="Youtube local" href="/youtube.com/opensearch.xml" rel="search" type="application/opensearchdescription+xml"/>
        <link href="/youtube.com/static/favicon.ico" type="image/x-icon" rel="icon"/>
        <link href="/youtube.com/static/normalize.css" rel="stylesheet"/>
        <link href="{{ theme_path }}" rel="stylesheet"/>
        {% block style %}
            {{ style }}
        {% endblock %}
    </head>

    <body>
        <header class="header">
            <nav class="home">
                <a href="/youtube.com" id="home-link">YouTube Local</a>
            </nav>
            <form class="form" id="site-search" action="/youtube.com/search">
                <input type="search" name="query" class="search-box" value="{{ search_box_value }}"
                       {{ "autofocus" if request.path == "/" else "" }} placeholder="Type to search...">
                <button type="submit" value="Search" class="search-button">Search</button>
                <!-- options -->
                <div class="dropdown">
                    <!-- hidden box -->
                    <input id="options-toggle-cbox" class="opt-box" role="button" type="checkbox">
                    <!-- end hidden box -->
                    <label class="dropdown-label" for="options-toggle-cbox">Options</label>
                    <div class="dropdown-content">
                        <h3>Sort by</h3>
                        <div class="option">
                            <input type="radio" id="sort_relevance" name="sort" value="0">
                            <label for="sort_relevance">Relevance</label>
                        </div>
                        <div class="option">
                            <input type="radio" id="sort_upload_date" name="sort" value="2">
                            <label for="sort_upload_date">Upload date</label>
                        </div>
                        <div class="option">
                            <input type="radio" id="sort_view_count" name="sort" value="3">
                            <label for="sort_view_count">View count</label>
                        </div>
                        <div class="option">
                            <input type="radio" id="sort_rating" name="sort" value="1">
                            <label for="sort_rating">Rating</label>
                        </div>

                        <h3>Upload date</h3>
                        <div class="option">
                            <input type="radio" id="time_any" name="time" value="0">
                            <label for="time_any">Any</label>
                        </div>
                        <div class="option">
                            <input type="radio" id="time_last_hour" name="time" value="1">
                            <label for="time_last_hour">Last hour</label>
                        </div>
                        <div class="option">
                            <input type="radio" id="time_today" name="time" value="2">
                            <label for="time_today">Today</label>
                        </div>
                        <div class="option">
                            <input type="radio" id="time_this_week" name="time" value="3">
                            <label for="time_this_week">This week</label>
                        </div>
                        <div class="option">
                            <input type="radio" id="time_this_month" name="time" value="4">
                            <label for="time_this_month">This month</label>
                        </div>
                        <div class="option">
                            <input type="radio" id="time_this_year" name="time" value="5">
                            <label for="time_this_year">This year</label>
                        </div>

                        <h3>Type</h3>
                        <div class="option">
                            <input type="radio" id="type_any" name="type" value="0">
                            <label for="type_any">Any</label>
                        </div>
                        <div class="option">
                            <input type="radio" id="type_video" name="type" value="1">
                            <label for="type_video">Video</label>
                        </div>
                        <div class="option">
                            <input type="radio" id="type_channel" name="type" value="2">
                            <label for="type_channel">Channel</label>
                        </div>
                        <div class="option">
                            <input type="radio" id="type_playlist" name="type" value="3">
                            <label for="type_playlist">Playlist</label>
                        </div>
                        <div class="option">
                            <input type="radio" id="type_movie" name="type" value="4">
                            <label for="type_movie">Movie</label>
                        </div>
                        <div class="option">
                            <input type="radio" id="type_show" name="type" value="5">
                            <label for="type_show">Show</label>
                        </div>

                        <h3>Duration</h3>
                        <div class="option">
                            <input type="radio" id="duration_any" name="duration" value="0">
                            <label for="duration_any">Any</label>
                        </div>
                        <div class="option">
                            <input type="radio" id="duration_short" name="duration" value="1">
                            <label for="duration_short">Short (&lt; 4 minutes)</label>
                        </div>
                        <div class="option">
                            <input type="radio" id="duration_long" name="duration" value="2">
                            <label for="duration_long">Long (&gt; 20 minutes)</label>
                        </div>
                    </div>
                </div>
            </form>

            {% if header_playlist_names is defined %}
                <form class="playlist" id="playlist-edit" action="/youtube.com/edit_playlist" method="post" target="_self">
                    <input class="play-box" name="playlist_name" id="playlist-name-selection" list="playlist-options" type="search" placeholder="I added your playlist...">
                    <datalist class="play-hidden" id="playlist-options">
                        {% for playlist_name in header_playlist_names %}
                            <option value="{{ playlist_name }}">{{ playlist_name }}</option>
                        {% endfor %}
                    </datalist>
                    <button class="play-add" type="submit" id="playlist-add-button" name="action" value="add">+List</button>
                    <div class="play-clean">
                        <button type="reset" id="item-selection-reset">Clear selection</button>
                    </div>
                </form>

                <script>
                 (function main() {
                     /* Takes control of the form if javascript is enabled, so that adding stuff to a playlist will not cause things to stop loading, and will display a status message. If javascript is disabled, the form will still work using regular HTML methods, but causes things on the page (such as the video) to stop loading. */
                     const playlistAddForm = document.getElementById('playlist-edit');

                     function setStyle(element, property, value){
                         element.style[property] = value;
                     }
                     function removeMessage(messageBox){
                         messageBox.parentNode.removeChild(messageBox);
                     }

                     function displayMessage(text, error=false){
                         let currentMessageBox = document.getElementById('message-box');
                         if(currentMessageBox !== null){
                             currentMessageBox.parentNode.removeChild(currentMessageBox);
                         }
                         let messageBox = document.createElement('div');
                         if(error){
                             messageBox.setAttribute('role', 'alert');
                         } else {
                             messageBox.setAttribute('role', 'status');
                         }
                         messageBox.setAttribute('id', 'message-box');
                         let textNode = document.createTextNode(text);
                         messageBox.appendChild(textNode);
                         document.querySelector('main').appendChild(messageBox);
                         let currentstyle = window.getComputedStyle(messageBox);
                         let removalDelay;
                         if(error){
                             removalDelay = 5000;
                         } else {
                             removalDelay = 1500;
                         }
                         window.setTimeout(setStyle, 20, messageBox, 'opacity', 1);
                         window.setTimeout(setStyle, removalDelay, messageBox, 'opacity', 0);
                         window.setTimeout(removeMessage, removalDelay+300, messageBox);
                     }
                     // https://developer.mozilla.org/en-US/docs/Learn/HTML/Forms/Sending_forms_through_JavaScript
                     function sendData(event){
                         var clicked_button = document.activeElement;
                         if(clicked_button === null || clicked_button.getAttribute('type') !== 'submit' || clicked_button.parentElement != event.target){
                             console.log('ERROR: clicked_button not valid');
                             return;
                         }
                         if(clicked_button.getAttribute('value') !== 'add'){
                             return;     // video(s) are being removed from playlist, just let it refresh the page
                         }
                         event.preventDefault();
                         var XHR = new XMLHttpRequest();
                         var FD = new FormData(playlistAddForm);

                         if(FD.getAll('video_info_list').length === 0){
                             displayMessage('Error: No videos selected', true);
                             return;
                         }

                         if(FD.get('playlist_name') === ""){
                             displayMessage('Error: No playlist selected', true);
                             return;
                         }

                         // https://stackoverflow.com/questions/48322876/formdata-doesnt-include-value-of-buttons
                         FD.append('action', 'add');

                         XHR.addEventListener('load', function(event){
                             if(event.target.status == 204){
                                 displayMessage('Added videos to playlist "' + FD.get('playlist_name') + '"');
                             } else {
                                 displayMessage('Error adding videos to playlist: ' + event.target.status.toString(), true);
                             }
                         });

                         XHR.addEventListener('error', function(event){
                             if(event.target.status == 0){
                                 displayMessage('XHR failed: Check that XHR requests are allowed', true);
                             } else {
                                 displayMessage('XHR failed: Unknown error', true);
                             }
                         });

                         XHR.open('POST', playlistAddForm.getAttribute('action'));
                         XHR.send(FD);
                     }

                     playlistAddForm.addEventListener('submit', sendData);
                 }());
                </script>
            {% endif %}

        </header>
        <main class="main">

            {% block main %}
                {{ main }}
            {% endblock %}

        </main>
        <footer class="footer">
            <p>This site is Free/Libre Software</p>
            <p>Current version: 3304bab @ master</p>
        </footer>
    </body>

</html>