<?php
/**
 * Share Context Resolver.
 *
 * @package AttoSocial\Support
 */

namespace AttoSocial\Support;

use WP_Block;

/**
 * Resolves current sharing context (URL and title) from block
 * or WordPress query.
 */
final class ShareContextResolver {
	/**
	 * Resolve the best URL and title for sharing.
	 *
	 * @param WP_Block|null $block Current block object.
	 *
	 * @return array{url:string,title:string}
	 */
	public static function resolve( $block = null ) {
		$context_url   = '';
		$context_title = '';

		if ( $block instanceof WP_Block ) {
			$context_url   = isset( $block->context['shareUrl'] )
				? (string) $block->context['shareUrl']
				: '';
			$context_title = isset( $block->context['shareTitle'] )
				? (string) $block->context['shareTitle']
				: '';
		}

		if ( '' !== $context_url ) {
			return array(
				'url'   => esc_url_raw( $context_url ),
				'title' => sanitize_text_field( $context_title ),
			);
		}

		$url   = home_url( '/' );
		$title = get_bloginfo( 'name' );

		if ( is_singular() ) {
			$post_id = get_queried_object_id();
			if ( $post_id ) {
				$url   = get_permalink( $post_id );
				$title = get_the_title( $post_id );
			}
		} elseif ( is_archive() ) {
			global $wp;
			$request = isset( $wp->request ) ? $wp->request : '';
			$url     = home_url( $request );
			$title   = wp_strip_all_tags( get_the_archive_title() );
		} elseif ( is_search() ) {
			$url   = get_search_link();
			$title = sprintf(
				/* translators: %s: Search query. */
				__( 'Search results for "%s"', 'attosocial' ),
				get_search_query()
			);
		}

		return array(
			'url'   => esc_url_raw( (string) $url ),
			'title' => sanitize_text_field( (string) $title ),
		);
	}
}