<?php
/*
Plugin Name: Festive Seasons Pro 
Description: Zeigt saisonale Effekte (Schnee, Eier, Spinnen, Ballons, Feuerwerk) für feste Feiertage und individuelle Geburtstage an.
Version: 1.0
Author: M_Viper
*/

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

class Festive_Seasons_Pro {

    public function __construct() {
        add_action('init', [$this, 'init_plugin']);
    }

    public function init_plugin() {
        add_action('wp_enqueue_scripts', [$this, 'load_assets']);
        add_action('wp_footer', [$this, 'render_music_consent']);
        add_action('admin_menu', [$this, 'add_admin_menu_page']);
        add_action('admin_init', [$this, 'register_settings']);
        add_action('widgets_init', [$this, 'register_widget']);
        add_shortcode('festive_event', [$this, 'render_shortcode']);
    }

    public function get_active_events() {
        if (isset($_GET['fsp_test_date'])) {
            $today = sanitize_text_field($_GET['fsp_test_date']);
        } else {
            $today = date('Y-m-d');
        }

        $active_events = [];

        foreach ($this->get_fixed_events() as $event_key => $event_data) {
            if (isset($event_data['start'], $event_data['end']) && $today >= $event_data['start'] && $today <= $event_data['end']) {
                if (get_option("fsp_fixed_{$event_key}", 'yes') === 'yes') {
                    $active_events[] = $event_data;
                }
            }
        }

        foreach ($this->get_custom_events($today) as $event_data) {
            $active_events[] = $event_data;
        }

        return $active_events;
    }

    private function get_fixed_events() {
        $test_year = isset($_GET['fsp_test_date']) ? substr(sanitize_text_field($_GET['fsp_test_date']), 0, 4) : date('Y');
        $year = is_numeric($test_year) ? $test_year : date('Y');
        $easter_date = date('Y-m-d', easter_date($year));

        return [
            'advent'      => ['name' => 'Adventszeit', 'start' => "$year-12-01", 'end' => "$year-12-23", 'class' => 'festive-advent', 'effects' => ['snow']],
            'christmas'   => ['name' => 'Weihnachten', 'start' => "$year-12-24", 'end' => "$year-12-26", 'class' => 'festive-christmas', 'effects' => ['snow', 'music', 'star', 'santa']], // NEU: Santa-Animation
            'newyear'     => ['name' => 'Silvester', 'start' => "$year-12-31", 'end' => ($year + 1) . "-01-01", 'class' => 'festive-newyear', 'effects' => ['newyear_fireworks']],
            'halloween'   => ['name' => 'Halloween', 'start' => "$year-10-31", 'end' => "$year-10-31", 'class' => 'festive-halloween', 'effects' => ['spiders']],
            'easter'      => ['name' => 'Ostern', 'start' => date('Y-m-d', strtotime($easter_date . ' -1 day')), 'end' => date('Y-m-d', strtotime($easter_date)), 'class' => 'festive-easter', 'effects' => ['eggs']],
        ];
    }

    private function get_custom_events($today) {
        $custom_events = get_option('fsp_events', []);
        $active_custom_events = [];
        $today_day_month = date('m-d', strtotime($today));

        if (is_array($custom_events)) {
            foreach ($custom_events as $event) {
                if (empty($event['date']) || !is_array($event)) continue;
                $event_date = sanitize_text_field($event['date']);
                $date_obj = DateTime::createFromFormat('d-m', $event_date) ?: DateTime::createFromFormat('Y-m-d', $event_date);
                if ($date_obj && $date_obj->format('m-d') === $today_day_month) {
                    $name = trim(($event['name'] ?? '') . ' ' . ($event['text'] ?? ''));
                    $active_custom_events[] = [
                        'name' => $name ?: 'Besonderer Tag!',
                        'class' => 'festive-birthday',
                        'effects' => ['balloons', 'confetti']
                    ];
                }
            }
        }
        return $active_custom_events;
    }

    public function load_assets() {
        $active_events = $this->get_active_events();
        if (empty($active_events)) return;

        $body_classes = [];
        $effects_to_load = [];

        foreach ($active_events as $event) {
            if (!empty($event['class'])) $body_classes[] = $event['class'];
            if (!empty($event['effects'])) $effects_to_load = array_merge($effects_to_load, $event['effects']);
        }

        add_filter('body_class', function($classes) use ($body_classes) {
            return array_merge($classes, array_unique($body_classes));
        });

        wp_enqueue_style('fsp-style', plugin_dir_url(__FILE__) . 'assets/css/festive.css', [], '3.4');
        wp_enqueue_script('jquery');

        wp_localize_script('jquery', 'fsp_vars', [
            'plugin_url' => plugin_dir_url(__FILE__)
        ]);

        if (in_array('confetti', $effects_to_load) || in_array('newyear_fireworks', $effects_to_load)) {
            wp_enqueue_script('fsp-confetti-lib', plugin_dir_url(__FILE__) . 'assets/js/canvas-confetti.min.js', [], '3.4', true);
        }

        foreach (array_unique($effects_to_load) as $effect) {
            switch ($effect) {
                case 'snow':
                    wp_enqueue_script('fsp-snow', plugin_dir_url(__FILE__) . 'assets/js/snowstorm.js', [], '3.4', true);
                    break;
                case 'confetti':
                    wp_add_inline_script('fsp-confetti-lib', 'jQuery(document).ready(function($) { setTimeout(() => confetti({particleCount: 200, spread: 120, origin: { y: 0.6 } }), 1000); });');
                    break;
                case 'eggs':
                    wp_enqueue_script('fsp-eggs', plugin_dir_url(__FILE__) . 'assets/js/easter-eggs.js', ['jquery'], '3.4', true);
                    break;
                case 'spiders':
                    wp_enqueue_script('fsp-spiders', plugin_dir_url(__FILE__) . 'assets/js/halloween-spiders.js', ['jquery'], '3.4', true);
                    break;
                case 'balloons':
                    wp_enqueue_script('fsp-balloons', plugin_dir_url(__FILE__) . 'assets/js/balloons.js', ['jquery'], '3.4', true);
                    break;
                case 'star':
                    wp_enqueue_script('fsp-star', plugin_dir_url(__FILE__) . 'assets/js/christmas-star.js', ['jquery'], '3.4', true);
                    break;
                case 'santa': // NEU: Santa-Animation
                    wp_enqueue_script('fsp-santa', plugin_dir_url(__FILE__) . 'assets/js/santa-sleigh.js', ['jquery'], '3.4', true);
                    break;
                case 'newyear_fireworks':
                    $this->add_newyear_script();
                    break;
            }
        }
    }

    private function add_newyear_script() {
        $script = '
jQuery(document).ready(function($) {
    if (!$("body").hasClass("festive-newyear")) {
        return;
    }
    if (typeof confetti === "undefined") {
        console.error("FSP: Konfetti-Bibliothek nicht gefunden.");
        return;
    }

    function runBigFireworks() {
        var count = 250;
        var defaults = { origin: { y: 0.7 }, zIndex: 999999, colors: ["#bb0000", "#ffffff", "#ff0000", "#ffbb00", "#ffee00", "#00ff00", "#0099ff", "#0000ff"] };
        function fire(particleRatio, opts) {
            confetti(Object.assign({}, defaults, opts, { particleCount: Math.floor(count * particleRatio) }));
        }
        fire(0.25, { spread: 26, startVelocity: 55 });
        fire(0.2, { spread: 60 });
        fire(0.35, { spread: 100, decay: 0.91, scalar: 0.8 });
        fire(0.1, { spread: 120, startVelocity: 25, decay: 0.92, scalar: 1.2 });
        fire(0.1, { spread: 120, startVelocity: 45 });

        var rainDefaults = { origin: { y: 0 }, angle: 90, drift: 0, gravity: 1.2, scalar: 1.2, zIndex: 999999 };
        confetti(Object.assign({}, rainDefaults, { particleCount: 40, x: 0.1, colors: ["#ff0000", "#00ff00", "#0000ff", "#ffff00"] }));
        confetti(Object.assign({}, rainDefaults, { particleCount: 40, x: 0.5, colors: ["#bb0000", "#ffffff", "#ffbb00", "#ffee00"] }));
        confetti(Object.assign({}, rainDefaults, { particleCount: 40, x: 0.9, colors: ["#ff0000", "#00ff00", "#0000ff", "#ffff00"] }));
    }

    function createRocket(isLastRocket) {
        const startX = Math.random() * window.innerWidth;
        
        const $rocket = $("<div class=\"fsp-rocket\"></div>").css({
            position: "fixed",
            width: "6px",
            height: "25px",
            background: "linear-gradient(to top, #ff4500, #ffa500)",
            bottom: "-30px",
            left: startX + "px",
            zIndex: 999999,
            borderRadius: "50% 50% 0 0",
            boxShadow: "0 0 15px 5px rgba(255, 165, 0, 0.8)"
        });

        $("body").append($rocket);

        $rocket.animate(
            { bottom: window.innerHeight * 0.8 }, 
            {
                duration: 1800,
                easing: "linear",
                complete: function() {
                    const x = startX / window.innerWidth;
                    const y = 0.2;
                    
                    confetti({
                        particleCount: 75,
                        spread: 100,
                        origin: { x: x, y: y },
                        colors: ["#ff0000", "#ffa500", "#ffff00", "#ffffff"],
                        gravity: 1.1,
                        scalar: 1.0,
                        startVelocity: 40
                    });
                    
                    if (isLastRocket) {
                        setTimeout(runBigFireworks, 500);
                    }
                    
                    $(this).remove();
                }
            }
        );
    }

    function runNewYearShow() {
        const rocketCount = 5 + Math.floor(Math.random() * 4);
        
        for (let i = 0; i < rocketCount; i++) {
            const isLast = (i === rocketCount - 1);
            setTimeout(() => createRocket(isLast), i * 400);
        }
    }

    runNewYearShow();
    setInterval(runNewYearShow, 12000);
});
';
        wp_add_inline_script('fsp-confetti-lib', $script);
    }

    public function add_admin_menu_page() {
        add_options_page('Festive Seasons Pro', 'Festive Seasons', 'manage_options', 'festive-seasons-pro', [$this, 'render_admin_page']);
    }

    public function register_settings() {
        register_setting('fsp_settings_group', 'fsp_events');
        foreach (array_keys($this->get_fixed_events()) as $key) {
            register_setting('fsp_settings_group', "fsp_fixed_{$key}");
        }
        register_setting('fsp_settings_group', 'fsp_enable_music');
    }

    public function render_admin_page() {
        $events = get_option('fsp_events', []);
        ?>
        <div class="wrap">
            <h1>Festive Seasons Pro Einstellungen</h1>
            <form method="post" action="options.php">
                <?php settings_fields('fsp_settings_group'); ?>
                <?php do_settings_sections('fsp_settings_group'); ?>

                <h2>Allgemeine Einstellungen</h2>
                <table class="form-table" role="presentation">
                    <tr>
                        <th scope="row">Musik-Einwilligung</th>
                        <td>
                            <fieldset>
                                <label><input type="checkbox" name="fsp_enable_music" value="yes" <?php checked(get_option('fsp_enable_music', 'yes'), 'yes'); ?> /> Einwilligungsbox für Weihnachtsmusik anzeigen (funktioniert nur, wenn Weihnachten aktiv ist).</label>
                            </fieldset>
                        </td>
                    </tr>
                </table>

                <h2>Feste Feiertage</h2>
                <table class="form-table" role="presentation">
                    <?php foreach ($this->get_fixed_events() as $key => $event): ?>
                    <tr>
                        <th scope="row"><?php echo esc_html($event['name']); ?></th>
                        <td>
                            <label><input type="checkbox" name="fsp_fixed_<?php echo $key; ?>" value="yes" <?php checked(get_option("fsp_fixed_{$key}", 'yes'), 'yes'); ?> /> Aktivieren</label>
                        </td>
                    </tr>
                    <?php endforeach; ?>
                </table>

                <h2>Geburtstage & Jubiläe</h2>
                <p>Hier können Sie beliebige Ereignisse hinzufügen. Das Datum wird im Format <strong>TT-MM</strong> (z.B. 24-12) oder <strong>JJJJ-MM-TT</strong> (z.B. 2024-05-10) angegeben.</p>
                <div id="fsp-events-container">
                    <?php if (is_array($events)) : ?>
                        <?php foreach ($events as $index => $event) : ?>
                        <div class="fsp-event-row" style="margin-bottom: 10px; display: flex; gap: 10px; align-items: center;">
                            <input type="text" name="fsp_events[<?php echo $index; ?>][name]" placeholder="Name (z.B. Max)" value="<?php echo esc_attr($event['name'] ?? ''); ?>" style="width: 200px;" />
                            <input type="text" name="fsp_events[<?php echo $index; ?>][date]" placeholder="Datum (TT-MM)" value="<?php echo esc_attr($event['date'] ?? ''); ?>" style="width: 100px;" />
                            <input type="text" name="fsp_events[<?php echo $index; ?>][text]" placeholder="Text (z.B. wird 30!)" value="<?php echo esc_attr($event['text'] ?? ''); ?>" style="flex-grow: 1;" />
                            <button type="button" class="button button-secondary fsp-remove-event">Entfernen</button>
                        </div>
                        <?php endforeach; ?>
                    <?php endif; ?>
                </div>
                <button type="button" id="fsp-add-event" class="button button-primary">+ Neues Ereignis hinzufügen</button>

                <?php submit_button(); ?>
            </form>
        </div>

        <script>
        jQuery(document).ready(function($) {
            $("#fsp-add-event").on("click", function() {
                var index = $("#fsp-events-container .fsp-event-row").length;
                var newRow = \'<div class="fsp-event-row" style="margin-bottom: 10px; display: flex; gap: 10px; align-items: center;"><input type="text" name="fsp_events[\' + index + \'][name]" placeholder="Name (z.B. Max)" style="width: 200px;" /><input type="text" name="fsp_events[\' + index + \'][date]" placeholder="Datum (TT-MM)" style="width: 100px;" /><input type="text" name="fsp_events[\' + index + \'][text]" placeholder="Text (z.B. wird 30!)" style="flex-grow: 1;" /><button type="button" class="button button-secondary fsp-remove-event">Entfernen</button></div>\';
                $("#fsp-events-container").append(newRow);
            });
            $(document).on("click", ".fsp-remove-event", function() {
                $(this).closest(".fsp-event-row").remove();
            });
        });
        </script>
        <?php
    }

    public function render_shortcode() {
        $active_events = $this->get_active_events();
        if (empty($active_events)) return '';
        $names = array_map(fn($e) => $e['name'], $active_events);
        return '<div class="fsp-today">Heute feiern wir: <strong>' . esc_html(implode(' + ', $names)) . '</strong></div>';
    }

    public function register_widget() {
        register_widget('FSP_Widget');
    }

    public function render_music_consent() {
        if (get_option('fsp_enable_music', 'yes') !== 'yes') {
            return;
        }

        $active_events = $this->get_active_events();
        $has_music = false;
        foreach ($active_events as $event) {
            if (in_array('music', $event['effects'] ?? [])) { $has_music = true; break; }
        }
        if (!$has_music) return;

        $audio_url = plugin_dir_url(__FILE__) . 'assets/audio/xmas-jingle.mp3';
        echo '<div id="fsp-music-consent" style="position:fixed;bottom:20px;right:20px;background:#fff;color:#333;padding:20px;border-radius:8px;z-index:99999;box-shadow:0 4px 15px rgba(0,0,0,0.2);display:none;max-width:300px;">
            <p style="margin:0 0 15px 0;">Weihnachtsmusik abspielen?</p>
            <button id="fsp-music-yes" style="background:#c0392b;color:#fff;border:none;padding:8px 15px;border-radius:5px;cursor:pointer;margin-right:10px;">Ja</button>
            <button id="fsp-music-no" style="background:#bdc3c7;color:#333;border:none;padding:8px 15px;border-radius:5px;cursor:pointer;">Nein</button>
        </div>
        
        <audio id="fsp-xmas-audio" src="' . $audio_url . '" loop style="display:none;"></audio>
        
        <script>
        jQuery(function($) {
            const consentBox = $("#fsp-music-consent");
            const audioPlayer = $("#fsp-xmas-audio")[0];

            setTimeout(() => consentBox.fadeIn(500), 2000);

            $("#fsp-music-yes").on("click", function() { 
                const playPromise = audioPlayer.play();

                if (playPromise !== undefined) {
                    playPromise.then(_ => {
                        console.log("FSP: Musik wird abgespielt.");
                    }).catch(error => {
                        console.error("FSP: Autoplay blockiert. Zeige Steuerelemente an.");
                        audioPlayer.style.position = "fixed";
                        audioPlayer.style.bottom = "20px";
                        audioPlayer.style.left = "20px";
                        audioPlayer.style.zIndex = "99999";
                        audioPlayer.style.width = "250px";
                        audioPlayer.style.display = "block";
                        audioPlayer.controls = true;
                    });
                }
                consentBox.fadeOut(300); 
            });

            $("#fsp-music-no").on("click", function() { 
                consentBox.fadeOut(300); 
            });
        });
        </script>';
    }
}

class FSP_Widget extends WP_Widget {
    public function __construct() { 
        parent::__construct('fsp_widget', 'Festive Seasons Anlass', ['description' => 'Zeigt den heutigen festlichen Anlass an.']); 
    }
    
    public function widget($args, $instance) {
        global $festive_seasons_pro_instance;
        if (!$festive_seasons_pro_instance) return;
        
        $active_events = $festive_seasons_pro_instance->get_active_events();
        if (empty($active_events)) return;
        
        $names = array_map(fn($e) => $e['name'], $active_events);
        echo $args['before_widget'];
        if (!empty($instance['title'])) { 
            echo $args['before_title'] . apply_filters('widget_title', $instance['title']) . $args['after_title']; 
        }
        echo '<div style="text-align:center; padding:15px; background:rgba(255,255,255,0.2); border-radius:10px;">' . esc_html(implode(' + ', $names)) . '</div>';
        echo $args['after_widget'];
    }
    
    public function form($instance) {
        $title = !empty($instance['title']) ? $instance['title'] : 'Heute ist...';
        ?>
        <p><label for="<?php echo esc_attr($this->get_field_id('title')); ?>">Titel:</label><input class="widefat" id="<?php echo esc_attr($this->get_field_id('title')); ?>" name="<?php echo esc_attr($this->get_field_name('title')); ?>" type="text" value="<?php echo esc_attr($title); ?>"></p>
        <?php
    }
    
    public function update($new_instance, $old_instance) { 
        $instance = []; 
        $instance['title'] = (!empty($new_instance['title'])) ? sanitize_text_field($new_instance['title']) : ''; 
        return $instance; 
    }
}

 $festive_seasons_pro_instance = new Festive_Seasons_Pro();