add_action('after_setup_theme', function () {
    add_theme_support('title-tag');
    add_theme_support('post-thumbnails');
    add_theme_support('html5', ['search-form', 'comment-form', 'comment-list', 'gallery', 'caption', 'script', 'style']);
    add_theme_support('custom-logo');
    load_theme_textdomain('premium-tea');
});

add_action('wp_enqueue_scripts', function () {
    $ver = wp_get_theme()->get('Version');
    wp_enqueue_style('premium-tea-fonts', 'https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Inter:wght@400;500;700&display=swap', [], null);
    wp_enqueue_style('premium-tea-style', get_stylesheet_uri(), [], $ver);
    wp_enqueue_style('premium-tea-theme', get_template_directory_uri() . '/assets/css/theme.css', ['premium-tea-style'], $ver);
    wp_enqueue_script('premium-tea-catalog', get_template_directory_uri() . '/assets/js/catalog-filters.js', ['jquery'], $ver, true);
});

register_nav_menus([
    'primary' => __('Primary Menu', 'premium-tea'),
]);

add_action('init', function () {
    $labels = [
        'name' => __('Tea Products', 'premium-tea'),
        'singular_name' => __('Tea Product', 'premium-tea'),
        'add_new' => __('Add New', 'premium-tea'),
        'add_new_item' => __('Add New Tea Product', 'premium-tea'),
        'edit_item' => __('Edit Tea Product', 'premium-tea'),
        'new_item' => __('New Tea Product', 'premium-tea'),
        'view_item' => __('View Tea Product', 'premium-tea'),
        'search_items' => __('Search Tea Products', 'premium-tea'),
        'not_found' => __('No tea products found', 'premium-tea'),
        'not_found_in_trash' => __('No tea products found in Trash', 'premium-tea'),
        'menu_name' => __('Tea Products', 'premium-tea'),
    ];

    register_post_type('tea_product', [
        'labels' => $labels,
        'public' => true,
        'has_archive' => true,
        'menu_icon' => 'dashicons-leaves',
        'supports' => ['title', 'editor', 'thumbnail', 'excerpt'],
        'rewrite' => ['slug' => 'tea'],
        'show_in_rest' => true,
    ]);

    register_taxonomy('tea_type', 'tea_product', [
        'labels' => [
            'name' => __('Tea Types', 'premium-tea'),
            'singular_name' => __('Tea Type', 'premium-tea'),
        ],
        'public' => true,
        'hierarchical' => true,
        'rewrite' => ['slug' => 'tea-type'],
        'show_in_rest' => true,
    ]);
});

add_action('init', function () {
    $defaults = ['Green Tea', 'Black Tea', 'Herbal Tea'];
    foreach ($defaults as $name) {
        if (!term_exists($name, 'tea_type')) {
            wp_insert_term($name, 'tea_type');
        }
    }
});

add_action('add_meta_boxes', function () {
    add_meta_box('premium_tea_meta', __('Tea Details', 'premium-tea'), function ($post) {
        wp_nonce_field('premium_tea_meta', 'premium_tea_meta_nonce');
        $short = get_post_meta($post->ID, 'tea_short_desc', true);
        $sizes = get_post_meta($post->ID, 'tea_packaging_sizes', true);
        $wholesale = get_post_meta($post->ID, 'wholesale_available', true);
        $featured = get_post_meta($post->ID, 'featured', true);
        echo '<p><label>' . esc_html__('Short Description', 'premium-tea') . '</label><br/><textarea style="width:100%;min-height:80px" name="tea_short_desc">' . esc_textarea($short) . '</textarea></p>';
        echo '<p><label>' . esc_html__('Packaging Sizes (e.g., 100g, 250g, 500g)', 'premium-tea') . '</label><br/><input style="width:100%" type="text" name="tea_packaging_sizes" value="' . esc_attr($sizes) . '" /></p>';
        echo '<p><label><input type="checkbox" name="wholesale_available" value="1"' . checked($wholesale, '1', false) . ' /> ' . esc_html__('Wholesale Available', 'premium-tea') . '</label></p>';
        echo '<p><label><input type="checkbox" name="featured" value="1"' . checked($featured, '1', false) . ' /> ' . esc_html__('Featured Product', 'premium-tea') . '</label></p>';
    }, 'tea_product', 'normal', 'default');
});

add_action('save_post_tea_product', function ($post_id) {
    if (!isset($_POST['premium_tea_meta_nonce']) || !wp_verify_nonce($_POST['premium_tea_meta_nonce'], 'premium_tea_meta')) return;
    if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) return;
    if (!current_user_can('edit_post', $post_id)) return;
    $short = isset($_POST['tea_short_desc']) ? sanitize_textarea_field($_POST['tea_short_desc']) : '';
    $sizes = isset($_POST['tea_packaging_sizes']) ? sanitize_text_field($_POST['tea_packaging_sizes']) : '';
    $wholesale = isset($_POST['wholesale_available']) ? '1' : '';
    $featured = isset($_POST['featured']) ? '1' : '';
    update_post_meta($post_id, 'tea_short_desc', $short);
    update_post_meta($post_id, 'tea_packaging_sizes', $sizes);
    update_post_meta($post_id, 'wholesale_available', $wholesale);
    update_post_meta($post_id, 'featured', $featured);
});

add_shortcode('tea_featured', function ($atts) {
    $a = shortcode_atts(['count' => 4], $atts);
    $count = intval($a['count']);
    $q = new WP_Query([
        'post_type' => 'tea_product',
        'posts_per_page' => $count,
        'meta_key' => 'featured',
        'meta_value' => '1',
    ]);
    ob_start();
    echo '<div class="tea-grid">';
    if ($q->have_posts()) {
        while ($q->have_posts()) {
            $q->the_post();
            $desc = get_post_meta(get_the_ID(), 'tea_short_desc', true);
            echo '<article class="tea-card">';
            if (has_post_thumbnail()) {
                echo get_the_post_thumbnail(get_the_ID(), 'medium_large', ['class' => 'tea-card-image']);
            }
            echo '<h3 class="tea-card-title">' . esc_html(get_the_title()) . '</h3>';
            if ($desc) {
                echo '<p class="tea-card-desc">' . esc_html($desc) . '</p>';
            }
            echo '<div class="tea-card-actions"><a class="btn btn-primary" href="' . esc_url(get_permalink()) . '">' . esc_html__('View Details', 'premium-tea') . '</a></div>';
            echo '</article>';
        }
        wp_reset_postdata();
    }
    echo '</div>';
    $catalog = site_url('/tea-catalog');
    echo '<div class="tea-grid-cta"><a class="btn btn-outline" href="' . esc_url($catalog) . '">' . esc_html__('View Full Catalog', 'premium-tea') . '</a></div>';
    return ob_get_clean();
});

add_shortcode('tea_catalog', function ($atts) {
    $a = shortcode_atts(['type' => 'all', 'per_page' => 12], $atts);
    $type = isset($_GET['tea_type']) ? sanitize_text_field($_GET['tea_type']) : $a['type'];
    $tax_query = [];
    if ($type !== 'all') {
        $tax_query[] = [
            'taxonomy' => 'tea_type',
            'field' => 'slug',
            'terms' => $type,
        ];
    }
    $q = new WP_Query([
        'post_type' => 'tea_product',
        'posts_per_page' => intval($a['per_page']),
        'tax_query' => $tax_query,
    ]);
    ob_start();
    echo '<div class="tea-catalog-header"><h2>' . esc_html__('Our Tea Collection', 'premium-tea') . '</h2><p>' . esc_html__('Explore our premium teas by type, flavor, and craft.', 'premium-tea') . '</p></div>';
    $terms = get_terms(['taxonomy' => 'tea_type', 'hide_empty' => true]);
    if (!is_wp_error($terms) && $terms) {
        echo '<div class="tea-filters">';
        $active_all = $type === 'all' ? ' active' : '';
        echo '<a href="?tea_type=all" class="filter-link' . $active_all . '">' . esc_html__('All', 'premium-tea') . '</a>';
        foreach ($terms as $t) {
            $active = $type === $t->slug ? ' active' : '';
            echo '<a href="?tea_type=' . esc_attr($t->slug) . '" class="filter-link' . $active . '">' . esc_html($t->name) . '</a>';
        }
        echo '</div>';
    }
    echo '<div class="tea-grid">';
    if ($q->have_posts()) {
        while ($q->have_posts()) {
            $q->the_post();
            $desc = get_post_meta(get_the_ID(), 'tea_short_desc', true);
            $sizes = get_post_meta(get_the_ID(), 'tea_packaging_sizes', true);
            $wholesale = get_post_meta(get_the_ID(), 'wholesale_available', true) ? esc_html__('Wholesale Available', 'premium-tea') : '';
            echo '<article class="tea-card">';
            if (has_post_thumbnail()) {
                echo get_the_post_thumbnail(get_the_ID(), 'large', ['class' => 'tea-card-image']);
            }
            echo '<h3 class="tea-card-title">' . esc_html(get_the_title()) . '</h3>';
            if ($desc) {
                echo '<p class="tea-card-desc">' . esc_html($desc) . '</p>';
            }
            if ($sizes) {
                echo '<p class="tea-card-sizes">' . esc_html__('Packaging: ', 'premium-tea') . esc_html($sizes) . '</p>';
            }
            if ($wholesale) {
                echo '<p class="tea-card-note">' . $wholesale . '</p>';
            }
            echo '</article>';
        }
        wp_reset_postdata();
    }
    echo '</div>';
    echo '<div class="tea-catalog-cta"><a class="btn btn-primary" href="' . esc_url(site_url('/contact')) . '">' . esc_html__('Contact Us for Orders', 'premium-tea') . '</a></div>';
    return ob_get_clean();
});

add_action('after_switch_theme', function () {
    $home_id = 0;
    $catalog_id = 0;
    if (get_option('premium_tea_demo_setup_done')) return;
    $home = get_page_by_path('home');
    if (!$home) {
        $home_id = wp_insert_post([
            'post_title' => 'Home',
            'post_name' => 'home',
            'post_type' => 'page',
            'post_status' => 'publish',
        ]);
        if ($home_id && !is_wp_error($home_id)) {
            update_post_meta($home_id, '_wp_page_template', 'template-fullwidth.php');
            if (did_action('elementor/loaded')) {
                $section = function ($widgets) {
                    $col_id = uniqid('col_');
                    return [
                        'id' => uniqid('sec_'),
                        'elType' => 'section',
                        'settings' => [
                            'content_width' => 'boxed'
                        ],
                        'elements' => [
                            [
                                'id' => $col_id,
                                'elType' => 'column',
                                'settings' => ['_column_size' => 100],
                                'elements' => $widgets,
                                'isInner' => false
                            ]
                        ],
                        'isInner' => false
                    ];
                };
                $w_heading = [
                    'id' => uniqid('wid_'),
                    'elType' => 'widget',
                    'widgetType' => 'heading',
                    'settings' => [
                        'title' => 'Pure Tea Leaves, Crafted to Perfection'
                    ],
                    'elements' => []
                ];
                $w_text = [
                    'id' => uniqid('wid_'),
                    'elType' => 'widget',
                    'widgetType' => 'text-editor',
                    'settings' => [
                        'editor' => 'Premium quality, tradition, and freshness in every leaf.'
                    ],
                    'elements' => []
                ];
                $w_button = [
                    'id' => uniqid('wid_'),
                    'elType' => 'widget',
                    'widgetType' => 'button',
                    'settings' => [
                        'text' => 'View Catalog',
                        'link' => ['url' => site_url('/tea-catalog')]
                    ],
                    'elements' => []
                ];
                $w_about = [
                    'id' => uniqid('wid_'),
                    'elType' => 'widget',
                    'widgetType' => 'text-editor',
                    'settings' => [
                        'editor' => 'Ethical sourcing, freshness and quality control, premium packaging.'
                    ],
                    'elements' => []
                ];
                $w_shortcodes_featured = [
                    'id' => uniqid('wid_'),
                    'elType' => 'widget',
                    'widgetType' => 'shortcode',
                    'settings' => [
                        'shortcode' => '[tea_featured count="4"]'
                    ],
                    'elements' => []
                ];
                $data = [
                    $section([$w_heading, $w_text, $w_button]),
                    $section([$w_about]),
                    $section([$w_shortcodes_featured]),
                ];
                update_post_meta($home_id, '_elementor_edit_mode', 'builder');
                update_post_meta($home_id, '_elementor_data', wp_json_encode($data));
            }
        }
    } else {
        $home_id = $home->ID;
    }

    $catalog = get_page_by_path('tea-catalog');
    if (!$catalog) {
        $catalog_id = wp_insert_post([
            'post_title' => 'Tea Catalog',
            'post_name' => 'tea-catalog',
            'post_type' => 'page',
            'post_status' => 'publish',
        ]);
        if ($catalog_id && !is_wp_error($catalog_id)) {
            update_post_meta($catalog_id, '_wp_page_template', 'template-fullwidth.php');
            if (did_action('elementor/loaded')) {
                $section = function ($widgets) {
                    $col_id = uniqid('col_');
                    return [
                        'id' => uniqid('sec_'),
                        'elType' => 'section',
                        'settings' => [
                            'content_width' => 'boxed'
                        ],
                        'elements' => [
                            [
                                'id' => $col_id,
                                'elType' => 'column',
                                'settings' => ['_column_size' => 100],
                                'elements' => $widgets,
                                'isInner' => false
                            ]
                        ],
                        'isInner' => false
                    ];
                };
                $w_heading = [
                    'id' => uniqid('wid_'),
                    'elType' => 'widget',
                    'widgetType' => 'heading',
                    'settings' => [
                        'title' => 'Our Tea Collection'
                    ],
                    'elements' => []
                ];
                $w_text = [
                    'id' => uniqid('wid_'),
                    'elType' => 'widget',
                    'widgetType' => 'text-editor',
                    'settings' => [
                        'editor' => 'Explore our premium teas by type, flavor, and craft.'
                    ],
                    'elements' => []
                ];
                $w_shortcodes_catalog = [
                    'id' => uniqid('wid_'),
                    'elType' => 'widget',
                    'widgetType' => 'shortcode',
                    'settings' => [
                        'shortcode' => '[tea_catalog per_page="12"]'
                    ],
                    'elements' => []
                ];
                $data = [
                    $section([$w_heading, $w_text]),
                    $section([$w_shortcodes_catalog]),
                ];
                update_post_meta($catalog_id, '_elementor_edit_mode', 'builder');
                update_post_meta($catalog_id, '_elementor_data', wp_json_encode($data));
            }
        }
    } else {
        $catalog_id = $catalog->ID;
    }

    if (!get_option('show_on_front')) {
        update_option('show_on_front', 'page');
    }
    if ($home_id) update_option('page_on_front', $home_id);
    if ($catalog_id) update_option('page_for_posts', 0);

    $samples = [
        ['title' => 'Heritage Green', 'type' => 'Green Tea', 'sizes' => '100g, 250g, 500g', 'featured' => true],
        ['title' => 'Classic Assam Black', 'type' => 'Black Tea', 'sizes' => '100g, 250g, 500g', 'featured' => true],
        ['title' => 'Calming Herbal Blend', 'type' => 'Herbal Tea', 'sizes' => '100g, 250g', 'featured' => false],
        ['title' => 'Estate Darjeeling', 'type' => 'Black Tea', 'sizes' => '100g, 250g', 'featured' => false],
        ['title' => 'Jasmine Green', 'type' => 'Green Tea', 'sizes' => '100g, 250g', 'featured' => false],
        ['title' => 'Mint Herbal Refresh', 'type' => 'Herbal Tea', 'sizes' => '100g, 250g', 'featured' => false],
    ];
    foreach ($samples as $s) {
        $exists = get_page_by_title($s['title'], OBJECT, 'tea_product');
        if ($exists) continue;
        $pid = wp_insert_post([
            'post_title' => $s['title'],
            'post_type' => 'tea_product',
            'post_status' => 'publish',
        ]);
        if ($pid && !is_wp_error($pid)) {
            update_post_meta($pid, 'tea_short_desc', 'A refined tea with balanced flavor and aroma.');
            update_post_meta($pid, 'tea_packaging_sizes', $s['sizes']);
            update_post_meta($pid, 'wholesale_available', '1');
            update_post_meta($pid, 'featured', $s['featured'] ? '1' : '');
            $term = get_term_by('name', $s['type'], 'tea_type');
            if ($term && !is_wp_error($term)) {
                wp_set_object_terms($pid, [$term->term_id], 'tea_type');
            }
        }
    }
    update_option('premium_tea_demo_setup_done', 1);
});
XML-RPC server accepts POST requests only.