<?php
/**
 * Plugin Name: Restaurant Tür-Status
 * Plugin URI: https://lucas-orth.de
 * Description: Interaktives Voting-Widget mit animierter Tür - Besucher können abstimmen ob ein Restaurant geöffnet oder geschlossen ist
 * Version: 1.1.0
 * Author: Lucas Orth
 * Author URI: https://lucas-orth.de
 * License: GPL v2 or later
 * Text Domain: door-status
 */

if (!defined('ABSPATH')) {
    exit;
}

define('DSV_VERSION', '1.0.0');
define('DSV_PLUGIN_DIR', plugin_dir_path(__FILE__));
define('DSV_PLUGIN_URL', plugin_dir_url(__FILE__));

class DoorStatusVoting {
    
    private static $instance = null;
    
    public static function get_instance() {
        if (self::$instance === null) {
            self::$instance = new self();
        }
        return self::$instance;
    }
    
    private function __construct() {
        // Frontend
        add_shortcode('door_status', [$this, 'render_shortcode']);
        add_action('wp_enqueue_scripts', [$this, 'enqueue_frontend_assets']);
        
        // AJAX Handlers
        add_action('wp_ajax_dsv_vote', [$this, 'handle_vote']);
        add_action('wp_ajax_nopriv_dsv_vote', [$this, 'handle_vote']);
        add_action('wp_ajax_dsv_remove_vote', [$this, 'handle_remove_vote']);
        add_action('wp_ajax_nopriv_dsv_remove_vote', [$this, 'handle_remove_vote']);
        add_action('wp_ajax_dsv_get_status', [$this, 'get_status']);
        add_action('wp_ajax_nopriv_dsv_get_status', [$this, 'get_status']);
        
        // Admin
        add_action('admin_menu', [$this, 'add_admin_menu']);
        add_action('admin_enqueue_scripts', [$this, 'enqueue_admin_assets']);
        add_action('wp_ajax_dsv_save_settings', [$this, 'save_settings']);
        add_action('wp_ajax_dsv_reset_votes', [$this, 'reset_votes']);
        add_action('wp_ajax_dsv_reset_votes_by_type', [$this, 'reset_votes_by_type']);
        add_action('wp_ajax_dsv_update_meta_status', [$this, 'update_meta_status']);
    }
    
    // =========================================================================
    // FRONTEND
    // =========================================================================
    
    /**
     * Assets für Frontend laden
     */
    public function enqueue_frontend_assets() {
        wp_enqueue_style(
            'dsv-frontend',
            DSV_PLUGIN_URL . 'assets/css/frontend.css',
            [],
            DSV_VERSION
        );
        
        wp_enqueue_script(
            'dsv-frontend',
            DSV_PLUGIN_URL . 'assets/js/frontend.js',
            [],
            DSV_VERSION,
            true
        );
        
        wp_localize_script('dsv-frontend', 'dsvConfig', [
            'ajaxUrl' => admin_url('admin-ajax.php'),
            'nonce' => wp_create_nonce('dsv_nonce')
        ]);
    }
    
    /**
     * Shortcode rendern
     */
    public function render_shortcode($atts) {
        $atts = shortcode_atts([
            'post_id' => get_the_ID()
        ], $atts);
        
        $post_id = intval($atts['post_id']);
        
        // Prüfen ob für diesen Post deaktiviert
        $disabled_posts = get_option('dsv_disabled_posts', []);
        if (in_array($post_id, $disabled_posts)) {
            return '';
        }
        
        // Votes laden
        $votes = $this->get_votes($post_id);
        $total = $votes['open'] + $votes['closed'];
        $open_percent = $total > 0 ? round(($votes['open'] / $total) * 100) : 50;
        
        // Status ermitteln
        if ($votes['open'] > $votes['closed']) {
            $status = 'open';
            $status_text = 'GEÖFFNET';
            $status_icon = '🟢';
        } elseif ($votes['closed'] > $votes['open']) {
            $status = 'closed';
            $status_text = 'GESCHLOSSEN';
            $status_icon = '🔴';
        } else {
            $status = 'tied';
            $status_text = 'UNKLAR';
            $status_icon = '🟡';
        }
        
        // User Vote aus Cookie prüfen
        $cookie_name = 'dsv_vote_' . $post_id;
        $user_vote = isset($_COOKIE[$cookie_name]) ? sanitize_text_field($_COOKIE[$cookie_name]) : null;
        $has_voted = !empty($user_vote);
        
        ob_start();
        ?>
        <div class="dsv-widget" 
             data-post-id="<?php echo esc_attr($post_id); ?>"
             data-status="<?php echo esc_attr($status); ?>"
             data-has-voted="<?php echo $has_voted ? 'true' : 'false'; ?>"
             data-user-vote="<?php echo esc_attr($user_vote); ?>">
            
            <h3 class="dsv-title">Ist das Restaurant noch geöffnet?</h3>
            
            <div class="dsv-main-row">
                <!-- Tür Container -->
                <div class="dsv-door-container">
                    
                    <!-- Status Badge -->
                    <div class="dsv-status-badge dsv-status-<?php echo esc_attr($status); ?>">
                        <?php echo $status_icon; ?> <?php echo esc_html($status_text); ?>
                    </div>
                    
                    <!-- Türrahmen -->
                    <div class="dsv-door-frame">
                        
                        <!-- Licht hinter der Tür -->
                        <div class="dsv-light"></div>
                        
                        <!-- Lichtstrahlen -->
                        <div class="dsv-light-rays">
                            <div class="dsv-ray"></div>
                            <div class="dsv-ray"></div>
                            <div class="dsv-ray"></div>
                            <div class="dsv-ray"></div>
                            <div class="dsv-ray"></div>
                        </div>
                        
                        <!-- Die Tür -->
                        <div class="dsv-door">
                            <div class="dsv-door-grain"></div>
                            <div class="dsv-door-panel dsv-door-panel-top"></div>
                            <div class="dsv-door-panel dsv-door-panel-bottom"></div>
                            <div class="dsv-door-handle">
                                <div class="dsv-handle-plate"></div>
                                <div class="dsv-handle-lever"></div>
                            </div>
                        </div>
                    </div>
                    
                    <!-- Schatten -->
                    <div class="dsv-shadow"></div>
                </div>
                
                <!-- Rechte Seite: Voting -->
                <div class="dsv-voting-section">
                    <!-- Fortschrittsbalken -->
                    <div class="dsv-progress-container">
                        <div class="dsv-progress-bar">
                            <div class="dsv-progress-open" style="width: <?php echo $open_percent; ?>%">
                                <?php if ($open_percent > 15): ?>
                                    <span class="dsv-progress-count"><?php echo $votes['open']; ?></span>
                                <?php endif; ?>
                            </div>
                            <div class="dsv-progress-closed" style="width: <?php echo 100 - $open_percent; ?>%">
                                <?php if ((100 - $open_percent) > 15): ?>
                                    <span class="dsv-progress-count"><?php echo $votes['closed']; ?></span>
                                <?php endif; ?>
                            </div>
                            <div class="dsv-progress-divider"></div>
                        </div>
                        <div class="dsv-progress-labels">
                            <span class="dsv-label-open">Geöffnet (<?php echo $open_percent; ?>%)</span>
                            <span class="dsv-label-closed">Geschlossen (<?php echo 100 - $open_percent; ?>%)</span>
                        </div>
                    </div>
                    
                    <!-- Voting Buttons -->
                    <div class="dsv-buttons <?php echo $has_voted ? 'dsv-voted' : ''; ?>">
                        <?php if (!$has_voted): ?>
                            <button type="button" class="dsv-btn dsv-btn-open" data-vote="open">
                                <span class="dsv-btn-icon">✓</span>
                                <span class="dsv-btn-text">Geöffnet</span>
                            </button>
                            <button type="button" class="dsv-btn dsv-btn-closed" data-vote="closed">
                                <span class="dsv-btn-icon">✗</span>
                                <span class="dsv-btn-text">Geschlossen</span>
                            </button>
                        <?php else: ?>
                            <div class="dsv-voted-message dsv-voted-<?php echo esc_attr($user_vote); ?>">
                                <span class="dsv-voted-icon"><?php echo $user_vote === 'open' ? '✓' : '✗'; ?></span>
                                <span class="dsv-voted-text">
                                    Du hast für "<?php echo $user_vote === 'open' ? 'Geöffnet' : 'Geschlossen'; ?>" gestimmt
                                </span>
                                <button type="button" class="dsv-remove-vote" title="Stimme zurücknehmen">✕</button>
                            </div>
                        <?php endif; ?>
                    </div>
                    
                    <!-- Teilnehmer Info -->
                    <p class="dsv-info">
                        <span class="dsv-total"><?php echo $total; ?></span> Besucher haben abgestimmt
                    </p>
                </div>
            </div>
        </div>
        <?php
        return ob_get_clean();
    }
    
    /**
     * Votes aus Post Meta laden
     */
    private function get_votes($post_id) {
        $data = get_post_meta($post_id, '_dsv_votes', true);
        if (!is_array($data)) {
            return ['open' => 0, 'closed' => 0];
        }
        
        $open = $closed = 0;
        foreach ($data as $vote) {
            if ($vote === 'open') $open++;
            if ($vote === 'closed') $closed++;
        }
        return ['open' => $open, 'closed' => $closed];
    }
    
    /**
     * User-Key generieren (IP Hash)
     */
    private function get_user_key() {
        $ip = '';
        if (!empty($_SERVER['HTTP_CF_CONNECTING_IP'])) {
            $ip = $_SERVER['HTTP_CF_CONNECTING_IP'];
        } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
            $ip = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR'])[0];
        } else {
            $ip = $_SERVER['REMOTE_ADDR'] ?? 'unknown';
        }
        return md5($ip . wp_salt());
    }
    
    /**
     * AJAX: Vote speichern
     */
    public function handle_vote() {
        check_ajax_referer('dsv_nonce', 'nonce');
        
        $post_id = intval($_POST['post_id'] ?? 0);
        $vote = sanitize_text_field($_POST['vote'] ?? '');
        
        if (!$post_id || !in_array($vote, ['open', 'closed'])) {
            wp_send_json_error(['message' => 'Ungültige Anfrage']);
        }
        
        // Prüfen ob deaktiviert
        $disabled_posts = get_option('dsv_disabled_posts', []);
        if (in_array($post_id, $disabled_posts)) {
            wp_send_json_error(['message' => 'Voting deaktiviert']);
        }
        
        $user_key = $this->get_user_key();
        $data = get_post_meta($post_id, '_dsv_votes', true);
        if (!is_array($data)) $data = [];
        
        // Bereits gevotet? (Server-side Check)
        if (isset($data[$user_key])) {
            wp_send_json_error(['message' => 'Bereits abgestimmt']);
        }
        
        // Vote speichern
        $data[$user_key] = $vote;
        update_post_meta($post_id, '_dsv_votes', $data);
        
        // Cookie setzen (30 Tage)
        $cookie_name = 'dsv_vote_' . $post_id;
        setcookie($cookie_name, $vote, time() + (30 * DAY_IN_SECONDS), COOKIEPATH, COOKIE_DOMAIN);
        
        // Neue Votes zurückgeben
        $votes = $this->get_votes($post_id);
        $total = $votes['open'] + $votes['closed'];
        $open_percent = $total > 0 ? round(($votes['open'] / $total) * 100) : 50;
        
        wp_send_json_success([
            'votes' => $votes,
            'total' => $total,
            'openPercent' => $open_percent,
            'status' => $votes['open'] > $votes['closed'] ? 'open' : 
                       ($votes['closed'] > $votes['open'] ? 'closed' : 'tied')
        ]);
    }
    
    /**
     * AJAX: Aktuellen Status abrufen
     */
    public function get_status() {
        $post_id = intval($_GET['post_id'] ?? 0);
        
        if (!$post_id) {
            wp_send_json_error(['message' => 'Ungültige Post ID']);
        }
        
        $votes = $this->get_votes($post_id);
        $total = $votes['open'] + $votes['closed'];
        $open_percent = $total > 0 ? round(($votes['open'] / $total) * 100) : 50;
        
        wp_send_json_success([
            'votes' => $votes,
            'total' => $total,
            'openPercent' => $open_percent,
            'status' => $votes['open'] > $votes['closed'] ? 'open' : 
                       ($votes['closed'] > $votes['open'] ? 'closed' : 'tied')
        ]);
    }
    
    /**
     * AJAX: Vote entfernen
     */
    public function handle_remove_vote() {
        check_ajax_referer('dsv_nonce', 'nonce');
        
        $post_id = intval($_POST['post_id'] ?? 0);
        
        if (!$post_id) {
            wp_send_json_error(['message' => 'Ungültige Anfrage']);
        }
        
        $user_key = $this->get_user_key();
        $data = get_post_meta($post_id, '_dsv_votes', true);
        
        if (!is_array($data) || !isset($data[$user_key])) {
            wp_send_json_error(['message' => 'Kein Vote gefunden']);
        }
        
        // Vote entfernen
        unset($data[$user_key]);
        update_post_meta($post_id, '_dsv_votes', $data);
        
        // Cookie löschen
        $cookie_name = 'dsv_vote_' . $post_id;
        setcookie($cookie_name, '', time() - 3600, COOKIEPATH, COOKIE_DOMAIN);
        
        // Neue Votes zurückgeben
        $votes = $this->get_votes($post_id);
        $total = $votes['open'] + $votes['closed'];
        $open_percent = $total > 0 ? round(($votes['open'] / $total) * 100) : 50;
        
        wp_send_json_success([
            'votes' => $votes,
            'total' => $total,
            'openPercent' => $open_percent,
            'status' => $votes['open'] > $votes['closed'] ? 'open' : 
                       ($votes['closed'] > $votes['open'] ? 'closed' : 'tied')
        ]);
    }
    
    // =========================================================================
    // ADMIN
    // =========================================================================
    
    /**
     * Admin Menü unter Werkzeuge
     */
    public function add_admin_menu() {
        add_management_page(
            'Tür-Status Voting',
            'Tür-Status',
            'manage_options',
            'door-status-settings',
            [$this, 'render_admin_page']
        );
    }
    
    /**
     * Admin Assets laden
     */
    public function enqueue_admin_assets($hook) {
        if ($hook !== 'tools_page_door-status-settings') {
            return;
        }
        
        wp_enqueue_style(
            'dsv-admin',
            DSV_PLUGIN_URL . 'assets/css/admin.css',
            [],
            DSV_VERSION
        );
        
        wp_enqueue_script(
            'dsv-admin',
            DSV_PLUGIN_URL . 'assets/js/admin.js',
            ['jquery'],
            DSV_VERSION,
            true
        );
        
        wp_localize_script('dsv-admin', 'dsvAdmin', [
            'ajaxUrl' => admin_url('admin-ajax.php'),
            'nonce' => wp_create_nonce('dsv_admin_nonce')
        ]);
    }
    
    /**
     * Admin Seite rendern
     */
    public function render_admin_page() {
        if (!current_user_can('manage_options')) {
            wp_die('Keine Berechtigung');
        }
        
        $disabled_posts = get_option('dsv_disabled_posts', []);
        
        // Alle Posts mit Votes holen
        global $wpdb;
        $posts_with_votes = $wpdb->get_col(
            "SELECT DISTINCT post_id FROM {$wpdb->postmeta} WHERE meta_key = '_dsv_votes'"
        );
        
        ?>
        <div class="wrap dsv-admin-wrap">
            <h1>🚪 Tür-Status Voting</h1>
            
            <div class="dsv-admin-grid">
                
                <!-- Shortcode Info -->
                <div class="dsv-admin-card">
                    <h2>Shortcode</h2>
                    <p>Füge das Voting-Widget mit folgendem Shortcode ein:</p>
                    <code class="dsv-shortcode">[door_status]</code>
                    <p class="description">
                        Der Shortcode verwendet automatisch die aktuelle Post-ID. 
                        Du kannst ihn in Posts, Seiten oder Page-Builder einfügen.
                    </p>
                </div>
                
                <!-- Deaktivierte Posts -->
                <div class="dsv-admin-card">
                    <h2>Voting deaktivieren</h2>
                    <p>Gib Post-IDs ein, für die das Voting deaktiviert werden soll (kommagetrennt):</p>
                    <form id="dsv-settings-form">
                        <textarea 
                            name="disabled_posts" 
                            id="dsv-disabled-posts"
                            class="large-text"
                            rows="3"
                            placeholder="z.B. 123, 456, 789"
                        ><?php echo esc_textarea(implode(', ', $disabled_posts)); ?></textarea>
                        <p class="description">
                            Der Shortcode wird auf diesen Seiten nichts ausgeben.
                        </p>
                        <p>
                            <button type="submit" class="button button-primary">
                                Einstellungen speichern
                            </button>
                            <span class="dsv-save-status"></span>
                        </p>
                    </form>
                </div>
                
                <!-- Statistiken -->
                <div class="dsv-admin-card dsv-admin-card-full">
                    <h2>Voting Übersicht</h2>
                    
                    <?php if (empty($posts_with_votes)): ?>
                        <p class="dsv-no-data">Noch keine Votes vorhanden.</p>
                    <?php else: ?>
                        <p>
                            <button type="button" id="dsv-filter-mismatch" class="button">
                                Nur Abweichungen anzeigen
                            </button>
                        </p>
                        <table class="wp-list-table widefat fixed striped" id="dsv-votes-table">
                            <thead>
                                <tr>
                                    <th>Post</th>
                                    <th>Meta-Status</th>
                                    <th>Voting-Status</th>
                                    <th>Geöffnet</th>
                                    <th>Geschlossen</th>
                                    <th>Gesamt</th>
                                    <th>Aktionen</th>
                                </tr>
                            </thead>
                            <tbody>
                                <?php foreach ($posts_with_votes as $pid): 
                                    $post = get_post($pid);
                                    if (!$post) continue;
                                    
                                    $votes = $this->get_votes($pid);
                                    $total = $votes['open'] + $votes['closed'];
                                    $is_disabled = in_array($pid, $disabled_posts);
                                    
                                    if ($votes['open'] > $votes['closed']) {
                                        $status_badge = '<span class="dsv-badge dsv-badge-open">Geöffnet</span>';
                                    } elseif ($votes['closed'] > $votes['open']) {
                                        $status_badge = '<span class="dsv-badge dsv-badge-closed">Geschlossen</span>';
                                    } else {
                                        $status_badge = '<span class="dsv-badge dsv-badge-tied">Unklar</span>';
                                    }

                                    // JetEngine Meta-Feld "status" auslesen
                                    $meta_status = get_post_meta($pid, 'status', true);
                                    $meta_status_lower = mb_strtolower(trim($meta_status));
                                    if (in_array($meta_status_lower, ['geöffnet', 'geoeffnet', 'open', 'offen'])) {
                                        $meta_badge_class = 'dsv-badge-open';
                                        $meta_voting_match = ($votes['open'] > $votes['closed']);
                                    } elseif (in_array($meta_status_lower, ['geschlossen', 'closed', 'zu'])) {
                                        $meta_badge_class = 'dsv-badge-closed';
                                        $meta_voting_match = ($votes['closed'] > $votes['open']);
                                    } elseif (in_array($meta_status_lower, ['neuer betreiber'])) {
                                        $meta_badge_class = 'dsv-badge-tied';
                                        $meta_voting_match = false;
                                    } elseif (!empty($meta_status)) {
                                        $meta_badge_class = 'dsv-badge-tied';
                                        $meta_voting_match = false;
                                    } else {
                                        $meta_badge_class = '';
                                        $meta_voting_match = true; // kein Meta = kein Abweichung
                                    }

                                    if (!empty($meta_status)) {
                                        $meta_status_display = '<span class="dsv-badge ' . $meta_badge_class . '">' . esc_html($meta_status) . '</span>';
                                    } else {
                                        $meta_status_display = '<span class="dsv-meta-empty">—</span>';
                                    }

                                    $row_mismatch = !$meta_voting_match;
                                ?>
                                    <tr data-post-id="<?php echo esc_attr($pid); ?>"<?php if ($row_mismatch): ?> class="dsv-mismatch"<?php endif; ?>>
                                        <td>
                                            <strong><a href="<?php echo get_edit_post_link($pid); ?>" target="_blank"><?php echo esc_html($post->post_title); ?></a></strong>
                                            <br>
                                            <small>ID: <?php echo $pid; ?></small>
                                            <?php if ($is_disabled): ?>
                                                <br><em class="dsv-disabled-label">Voting deaktiviert</em>
                                            <?php endif; ?>
                                        </td>
                                        <td class="dsv-meta-status-cell">
                                            <?php echo $meta_status_display; ?>
                                            <div class="dsv-meta-buttons">
                                                <button type="button" class="button button-small dsv-meta-set-btn<?php echo ($meta_status_lower === 'geöffnet') ? ' active' : ''; ?>" data-post-id="<?php echo esc_attr($pid); ?>" data-status="geöffnet" title="Geöffnet">🟢</button>
                                                <button type="button" class="button button-small dsv-meta-set-btn<?php echo ($meta_status_lower === 'geschlossen') ? ' active' : ''; ?>" data-post-id="<?php echo esc_attr($pid); ?>" data-status="geschlossen" title="Geschlossen">🔴</button>
                                            </div>
                                        </td>
                                        <td><?php echo $status_badge; ?></td>
                                        <td class="dsv-count-open"><?php echo $votes['open']; ?></td>
                                        <td class="dsv-count-closed"><?php echo $votes['closed']; ?></td>
                                        <td class="dsv-count-total"><?php echo $total; ?></td>
                                        <td class="dsv-actions-cell">
                                            <div class="dsv-action-buttons">
                                                <button type="button" 
                                                        class="button button-small dsv-reset-type-btn"
                                                        data-post-id="<?php echo esc_attr($pid); ?>"
                                                        data-type="open"
                                                        title="Alle 'Geöffnet' Stimmen löschen">
                                                    🟢 Löschen
                                                </button>
                                                <button type="button" 
                                                        class="button button-small dsv-reset-type-btn"
                                                        data-post-id="<?php echo esc_attr($pid); ?>"
                                                        data-type="closed"
                                                        title="Alle 'Geschlossen' Stimmen löschen">
                                                    🔴 Löschen
                                                </button>
                                                <button type="button" 
                                                        class="button button-small dsv-reset-btn"
                                                        data-post-id="<?php echo esc_attr($pid); ?>"
                                                        title="Alle Stimmen löschen">
                                                    Alle löschen
                                                </button>
                                                <a href="<?php echo get_permalink($pid); ?>" 
                                                   target="_blank" 
                                                   class="button button-small">
                                                    Ansehen
                                                </a>
                                            </div>
                                        </td>
                                    </tr>
                                <?php endforeach; ?>
                            </tbody>
                        </table>
                    <?php endif; ?>
                </div>
                
            </div>
        </div>
        <?php
    }
    
    /**
     * AJAX: Einstellungen speichern
     */
    public function save_settings() {
        check_ajax_referer('dsv_admin_nonce', 'nonce');
        
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'Keine Berechtigung']);
        }
        
        $disabled_posts_raw = sanitize_text_field($_POST['disabled_posts'] ?? '');
        $disabled_posts = [];
        
        if (!empty($disabled_posts_raw)) {
            $ids = explode(',', $disabled_posts_raw);
            foreach ($ids as $id) {
                $id = intval(trim($id));
                if ($id > 0) {
                    $disabled_posts[] = $id;
                }
            }
        }
        
        update_option('dsv_disabled_posts', $disabled_posts);
        
        wp_send_json_success(['message' => 'Gespeichert']);
    }
    
    /**
     * AJAX: Votes zurücksetzen
     */
    public function reset_votes() {
        check_ajax_referer('dsv_admin_nonce', 'nonce');
        
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'Keine Berechtigung']);
        }
        
        $post_id = intval($_POST['post_id'] ?? 0);
        
        if (!$post_id) {
            wp_send_json_error(['message' => 'Ungültige Post ID']);
        }
        
        delete_post_meta($post_id, '_dsv_votes');
        
        wp_send_json_success(['message' => 'Votes zurückgesetzt']);
    }
    
    /**
     * AJAX: Votes nach Typ zurücksetzen (nur open oder nur closed)
     */
    public function reset_votes_by_type() {
        check_ajax_referer('dsv_admin_nonce', 'nonce');
        
        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'Keine Berechtigung']);
        }
        
        $post_id = intval($_POST['post_id'] ?? 0);
        $type = sanitize_text_field($_POST['type'] ?? '');
        
        if (!$post_id || !in_array($type, ['open', 'closed'])) {
            wp_send_json_error(['message' => 'Ungültige Parameter']);
        }
        
        $data = get_post_meta($post_id, '_dsv_votes', true);
        if (!is_array($data)) {
            wp_send_json_error(['message' => 'Keine Votes vorhanden']);
        }
        
        // Nur Votes des angegebenen Typs entfernen
        $removed = 0;
        foreach ($data as $key => $vote) {
            if ($vote === $type) {
                unset($data[$key]);
                $removed++;
            }
        }
        
        update_post_meta($post_id, '_dsv_votes', $data);
        
        // Neue Zahlen berechnen
        $votes = $this->get_votes($post_id);
        
        wp_send_json_success([
            'message' => $removed . ' Stimmen gelöscht',
            'votes' => $votes,
            'removed' => $removed
        ]);
    }

    /**
     * AJAX: Meta-Status ändern
     */
    public function update_meta_status() {
        check_ajax_referer('dsv_admin_nonce', 'nonce');

        if (!current_user_can('manage_options')) {
            wp_send_json_error(['message' => 'Keine Berechtigung']);
        }

        $post_id = intval($_POST['post_id'] ?? 0);
        $status = sanitize_text_field($_POST['status'] ?? '');

        if (!$post_id || !in_array($status, ['geöffnet', 'geschlossen'])) {
            wp_send_json_error(['message' => 'Ungültige Parameter']);
        }

        update_post_meta($post_id, 'status', $status);

        wp_send_json_success(['message' => 'Status aktualisiert', 'status' => $status]);
    }
}

// Plugin initialisieren
DoorStatusVoting::get_instance();

// Aktivierungs-Hook
register_activation_hook(__FILE__, function() {
    add_option('dsv_disabled_posts', []);
});

// Deaktivierungs-Hook
register_deactivation_hook(__FILE__, function() {
    // Optional: Daten behalten oder löschen
});