<?php

namespace HeyFeedback;

defined( 'ABSPATH' ) || exit;

class Block {

	public static function register() {
		if ( ! function_exists( 'register_block_type' ) ) {
			return;
		}

		wp_register_script(
			'hey-feedback-block',
			HEY_FEEDBACK_URL . 'assets/js/block.js',
			array( 'wp-blocks', 'wp-element', 'wp-components', 'wp-block-editor', 'wp-server-side-render' ),
			HEY_FEEDBACK_VERSION,
			true
		);

		$widgets = self::get_widget_options();

		wp_localize_script(
			'hey-feedback-block',
			'heyFeedbackBlock',
			array( 'widgets' => $widgets )
		);

		register_block_type(
			'hey-feedback/widget',
			array(
				'editor_script'   => 'hey-feedback-block',
				'render_callback' => array( __CLASS__, 'render' ),
				'attributes'      => array(
					'widgetId' => array(
						'type'    => 'number',
						'default' => 0,
					),
				),
			)
		);
	}

	/**
	 * Server-side render callback for the block.
	 *
	 * @param array $attributes Block attributes.
	 * @return string
	 */
	public static function render( array $attributes ): string {
		$id = absint( $attributes['widgetId'] ?? 0 );

		if ( 0 === $id ) {
			return '';
		}

		return Shortcode::render( array( 'id' => $id ) );
	}

	/**
	 * Returns widget options for the block editor dropdown.
	 *
	 * @return array
	 */
	private static function get_widget_options(): array {
		global $wpdb;

		$table = Database::items_table();

		// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
		$rows = $wpdb->get_results(
			$wpdb->prepare(
				"SELECT id, title, type FROM %i WHERE status = %s ORDER BY title ASC",
				$table,
				'active'
			)
		);

		$options = array();
		foreach ( $rows as $row ) {
			$options[] = array(
				'value' => (int) $row->id,
				'label' => $row->title ? $row->title : sprintf( '#%d (%s)', $row->id, $row->type ),
			);
		}

		return $options;
	}
}