<?php
/**
 * Gutenberg block.
 *
 * @package Fillaro
 */

namespace Fillaro\Render;

use Fillaro\Forms\FormRepository;
use Fillaro\Plugin;

defined( 'ABSPATH' ) || exit;

/**
 * The fillaro/form block, rendered on the server.
 */
class Block {

	/**
	 * Register hooks.
	 */
	public function register() {
		add_action( 'init', array( $this, 'register_block' ) );
	}

	/**
	 * Register the block type.
	 */
	public function register_block() {
		$asset = Assets::asset_file( 'block' );
		wp_register_script( 'fillaro-block', FILLARO_URL . 'build/block.js', $asset['dependencies'], $asset['version'], true );
		wp_set_script_translations( 'fillaro-block', 'fillaro' );

		register_block_type(
			FILLARO_DIR . 'blocks/form',
			array(
				'render_callback' => array( $this, 'render' ),
			)
		);

		if ( is_admin() && current_user_can( Plugin::capability() ) ) {
			add_action( 'enqueue_block_editor_assets', array( $this, 'editor_data' ) );
		}
	}

	/**
	 * Give the editor a list of forms and the preview stylesheet.
	 */
	public function editor_data() {
		$forms = array();
		foreach ( FormRepository::query( array( 'per_page' => 100 ) )['items'] as $form ) {
			$forms[] = array(
				'id'     => $form['id'],
				'title'  => $form['title'],
				'status' => $form['status'],
			);
		}
		wp_add_inline_script(
			'fillaro-block',
			'window.fillaroBlock = ' . wp_json_encode(
				array(
					'forms'    => $forms,
					'adminUrl' => admin_url( 'admin.php?page=fillaro' ),
				)
			) . ';',
			'before'
		);
	}

	/**
	 * Server render.
	 *
	 * @param array $attributes Block attributes.
	 * @return string
	 */
	public function render( $attributes ) {
		$id = isset( $attributes['formId'] ) ? absint( $attributes['formId'] ) : 0;
		if ( ! $id ) {
			return '';
		}
		return FormRenderer::render( $id );
	}
}