<?php

require_once VPHQ_ROOT . '/server-blocks/class.videopress-hq-server-block.php';

class VideoPressHQBlockVideoMeta extends VideoPressHQServerBlock {

	private const JS_SCRIPT_KEY = 'videopress-hq-video-block-meta-js';

	protected function register_scripts_and_styles() {
		wp_register_script( self::JS_SCRIPT_KEY, $this->block_asset_uri( 'index.js' ) );
	}

	protected function get_block_register_params(): array {
		return array(
			'editor_script_handles' => array( self::JS_SCRIPT_KEY ),
			'attributes'            => array(
				'align' => array(
					'type'    => 'string',
					'default' => 'center',
				),
			)
		);
	}

	protected function get_block_name(): string {
		return 'video-block-meta';
	}

	protected function get_view_name(): string {
		return 'video-block-meta';
	}

	protected function after_view_rendered( $view_content, $attributes, $content, $block ) {
		global $wp_embed;

		$post_id = get_the_ID();
		if ( ! $post_id ) {
			return $view_content;
		}

		// If the embed didn't work, clean up the cache
		if ( ! preg_match( '/(\s+)?<(\s+)?iframe/im', $view_content ) ) {
			$last_url   = str_replace( '&amp;', '&', $wp_embed->last_url );
			$last_attr  = $wp_embed->last_attr;
			$key_suffix = md5( $last_url . serialize( $last_attr ) );
			$cachekey   = '_oembed_' . $key_suffix;

			update_post_meta( $post_id, $cachekey, '' );
		}

		return $view_content;
	}

}