<?php
/**
 * Gutenberg (Block Editor) sidebar panel.
 *
 * Registers a PluginSidebar panel in the product Block Editor
 * showing the AI Readiness Score. The panel is rendered via React
 * (assets/src/gutenberg-panel.js) and communicates with the REST API.
 *
 * @package AICommerce\Admin
 */

declare(strict_types=1);

namespace AICommerce\Admin;

/**
 * Enqueues the Gutenberg sidebar panel script for product editing.
 */
class GutenbergPanel {

	/**
	 * Register hooks for the Gutenberg panel.
	 *
	 * @return void
	 */
	public function register(): void {
		add_action( 'enqueue_block_editor_assets', array( $this, 'enqueue_panel_assets' ) );
	}

	/**
	 * Enqueue the sidebar panel script in the Block Editor.
	 *
	 * Only loads when editing a WooCommerce product.
	 *
	 * @return void
	 */
	public function enqueue_panel_assets(): void {
		$screen = get_current_screen();

		if ( ! $screen || 'product' !== $screen->post_type ) {
			return;
		}

		$asset_file = AICOMMERCE_PLUGIN_DIR . 'assets/build/gutenberg-panel.asset.php';

		if ( ! file_exists( $asset_file ) ) {
			return;
		}

		$asset = require $asset_file;

		wp_enqueue_script(
			'aicommerce-gutenberg-panel',
			AICOMMERCE_PLUGIN_URL . 'assets/build/gutenberg-panel.js',
			$asset['dependencies'],
			$asset['version'],
			true
		);

		wp_localize_script(
			'aicommerce-gutenberg-panel',
			'aicommercePanel',
			array(
				'restUrl'   => esc_url_raw( rest_url( 'aicommerce/v1/' ) ),
				'nonce'     => wp_create_nonce( 'wp_rest' ),
				'productId' => get_the_ID(),
			)
		);

		if ( file_exists( AICOMMERCE_PLUGIN_DIR . 'assets/build/gutenberg-panel.css' ) ) {
			wp_enqueue_style(
				'aicommerce-gutenberg-panel',
				AICOMMERCE_PLUGIN_URL . 'assets/build/gutenberg-panel.css',
				array(),
				$asset['version']
			);
		}
	}
}