/*
Plugin Name: WooCommerce Mobile Menu Builder
Description: A mobile-first menu builder for WooCommerce categories with icon support, rename, and dynamic filtering.
Version: 1.0
Author: FeitFisk
*/

// Register admin menu
add_action('admin_menu', function () {
    add_menu_page(
        'Mobile Menu Builder',
        'Mobile Menu Builder',
        'manage_woocommerce',
        'wc-mobile-menu-builder',
        'wc_mobile_menu_admin_page',
        'dashicons-menu',
        58
    );
});

// Enqueue styles and scripts
add_action('admin_enqueue_scripts', function ($hook) {
    if ($hook !== 'toplevel_page_wc-mobile-menu-builder') return;
    wp_enqueue_style('wc-mobile-menu-admin', plugin_dir_url(__FILE__) . 'assets/admin.css');
    wp_enqueue_script('wc-mobile-menu-admin-js', plugin_dir_url(__FILE__) . 'assets/admin.js', ['jquery'], null, true);
});

function wc_mobile_menu_admin_page() {
    $categories = get_terms(['taxonomy' => 'product_cat', 'hide_empty' => false]);
    $settings = get_option('wc_mobile_menu_settings', []);

    echo '<div class="wrap"><h1>WooCommerce Mobile Menu Builder</h1><form method="post">';
    echo '<table class="widefat fixed striped"><thead><tr><th>Category</th><th>Main</th><th>Custom Name</th><th>Icon</th><th>Exclude</th></tr></thead><tbody>';
    foreach ($categories as $cat) {
        $id = $cat->term_id;
        $custom = $settings[$id] ?? [];
        echo '<tr>';
        echo '<td>' . esc_html($cat->name) . '</td>';
        echo '<td><input type="checkbox" name="settings['.$id.'][main]" '.checked($custom['main'] ?? false, true, false).' /></td>';
        echo '<td><input type="text" name="settings['.$id.'][name]" value="'.esc_attr($custom['name'] ?? '').'" /></td>';
        echo '<td><input type="text" name="settings['.$id.'][icon]" value="'.esc_attr($custom['icon'] ?? '').'" placeholder="e.g. fa fa-bike or image URL" /></td>';
        echo '<td><input type="checkbox" name="settings['.$id.'][exclude]" '.checked($custom['exclude'] ?? false, true, false).' /></td>';
        echo '</tr>';
    }
    echo '</tbody></table>';
    submit_button();
    echo '</form></div>';
}

add_action('admin_init', function () {
    if (!empty($_POST['settings']) && current_user_can('manage_woocommerce')) {
        update_option('wc_mobile_menu_settings', array_map('wc_mobile_menu_sanitize_settings', $_POST['settings']));
    }
});

function wc_mobile_menu_sanitize_settings($data) {
    return [
        'main' => !empty($data['main']),
        'name' => sanitize_text_field($data['name'] ?? ''),
        'icon' => sanitize_text_field($data['icon'] ?? ''),
        'exclude' => !empty($data['exclude']),
    ];
}

function wc_mobile_menu_build_tree($parent_id = 0, $categories, $settings) {
    $branch = [];
    foreach ($categories as $cat) {
        if ($cat->parent != $parent_id) continue;
        $id = $cat->term_id;
        $conf = $settings[$id] ?? [];
        if (!empty($conf['exclude'])) continue;

        $children = wc_mobile_menu_build_tree($id, $categories, $settings);
        $has_products = $cat->count > 0 || count($children) > 0;
        if (!$has_products) continue;

        $branch[] = [
            'name' => $conf['name'] ?: $cat->name,
            'icon' => $conf['icon'] ?? '',
            'url'  => get_term_link($cat),
            'children' => $children
        ];
    }
    return $branch;
}

add_shortcode('woo_mobile_menu', function () {
    ob_start();
    echo '<div id="wc-mobile-menu"></div>';
    wp_enqueue_style('wc-mobile-menu-style', plugin_dir_url(__FILE__) . 'assets/menu.css');
    wp_enqueue_script('wc-mobile-menu-script', plugin_dir_url(__FILE__) . 'assets/menu.js', [], null, true);

    $settings = get_option('wc_mobile_menu_settings', []);
    $all_categories = get_terms(['taxonomy' => 'product_cat', 'hide_empty' => false]);
    $main_ids = array_filter(array_keys($settings), fn($id) => !empty($settings[$id]['main']));

    $main_categories = array_filter($all_categories, fn($cat) => in_array($cat->term_id, $main_ids));
    $menu_data = wc_mobile_menu_build_tree(0, $all_categories, $settings);

    wp_localize_script('wc-mobile-menu-script', 'wcMobileMenuData', $menu_data);
    return ob_get_clean();
});
    }
  ]
}