<?php
/**
 * Gutenberg Sidebar module for AILinkMaster.
 *
 * Registers the React build, REST API endpoints, and Elementor guard.
 *
 * @package AILinkMaster
 */

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

class AILM_Gutenberg_Sidebar
{

    /**
     * Hook into the block editor assets.
     */
    public function __construct()
    {
        add_action('enqueue_block_editor_assets', [$this, 'enqueue_assets']);
        add_action('rest_api_init', [$this, 'register_rest_routes']);
    }

    /**
     * Enqueue the Gutenberg sidebar script only in the block editor
     * and never for Elementor-edited posts.
     *
     * @return void
     */
    public function enqueue_assets()
    {
        $screen = get_current_screen();
        if (!$screen || !$screen->is_block_editor()) {
            return;
        }

        $post_id = get_the_ID();
        if ($post_id) {
            $is_elementor = get_post_meta($post_id, '_elementor_edit_mode', true) === 'builder';
            if ($is_elementor) {
                return;
            }
        }

        $asset_file = plugin_dir_path(__FILE__) . 'build/index.asset.php';
        $asset = file_exists($asset_file) ? require $asset_file : ['dependencies' => [], 'version' => '1.0.0'];

        wp_enqueue_script(
            'ailm-gutenberg-sidebar',
            plugin_dir_url(__FILE__) . 'build/index.js',
            $asset['dependencies'],
            $asset['version'],
            true
        );

        wp_localize_script('ailm-gutenberg-sidebar', 'ailmGutenberg', [
            'rest_url'      => rest_url('linkmesh/v1/'),
            'nonce'         => wp_create_nonce('wp_rest'),
            // Bulk Settings exposed to the inline editor so the Gutenberg
            // outbound flow (update_dom=false) can enforce the same rules as
            // the bulk engine: excluded HTML areas, Skip Intro, Min Gap.
            'excluded_html' => get_option('ailm_excluded_html', ['h1-h6', 'code', 'blockquote']),
            'skip_chars'    => (int) get_option('ailm_skip_chars', 100),
            'min_gap'       => (int) get_option('ailm_min_gap', 200),
        ]);
    }

    /**
     * Register REST API routes for the Gutenberg sidebar.
     *
     * @return void
     */
    public function register_rest_routes()
    {
        require_once plugin_dir_path(__FILE__) . 'class-ailm-gutenberg-rest-api.php';
        AILM_Gutenberg_REST_API::register_routes();
    }
}