/**
 * Server-side rendering of the `core/latest-comments` block.
 *
 * @package WordPress
 */

/**
 * Get the post title.
 *
 * The post title is fetched and if it is blank then a default string is
 * returned.
 *
 * Copied from `wp-admin/includes/template.php`, but we can't include that
 * file because:
 *
 * 1. It causes bugs with test fixture generation and strange Docker 255 error
 *    codes.
 * 2. It's in the admin; ideally we *shouldn't* be including files from the
 *    admin for a block's output. It's a very small/simple function as well,
 *    so duplicating it isn't too terrible.
 *
 * @since 3.3.0
 *
 * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
 * @return string The post title if set; "(no title)" if no title is set.
 */
function wp_latest_comments_draft_or_post_title( $post = 0 ) {
	$title = get_the_title( $post );
	if ( empty( $title ) ) {
		$title = __( '(no title)' );
	}
	return esc_html( $title );
}

/**
 * Renders the `core/latest-comments` block on server.
 *
 * @param array $attributes The block attributes.
 *
 * @return string Returns the post content with latest comments added.
 */
function render_block_core_latest_comments( $attributes = array() ) {
	$comments = get_comments(
		// This filter is documented in wp-includes/widgets/class-wp-widget-recent-comments.php.
		apply_filters(
			'widget_comments_args',
			array(
				'number'      => $attributes['commentsToShow'],
				'status'      => 'approve',
				'post_status' => 'publish',
			)
		)
	);

	$list_items_markup = '';
	if ( ! empty( $comments ) ) {
		// Prime the cache for associated posts. This is copied from \WP_Widget_Recent_Comments::widget().
		$post_ids = array_unique( wp_list_pluck( $comments, 'comment_post_ID' ) );
		_prime_post_caches( $post_ids, strpos( get_option( 'permalink_structure' ), '%category%' ), false );

		foreach ( $comments as $comment ) {
			$list_items_markup .= '<li class="wp-block-latest-comments__comment">';
			if ( $attributes['displayAvatar'] ) {
				$avatar = get_avatar(
					$comment,
					48,
					'',
					'',
					array(
						'class' => 'wp-block-latest-comments__comment-avatar',
					)
				);
				if ( $avatar ) {
					$list_items_markup .= $avatar;
				}
			}

			$list_items_markup .= '<article>';
			$list_items_markup .= '<footer class="wp-block-latest-comments__comment-meta">';
			$author_url         = get_comment_author_url( $comment );
			if ( empty( $author_url ) && ! empty( $comment->user_id ) ) {
				$author_url = get_author_posts_url( $comment->user_id );
			}

			$author_markup = '';
			if ( $author_url ) {
				$author_markup .= '<a class="wp-block-latest-comments__comment-author" href="' . esc_url( $author_url ) . '">' . get_comment_author( $comment ) . '</a>';
			} else {
				$author_markup .= '<span class="wp-block-latest-comments__comment-author">' . get_comment_author( $comment ) . '</span>';
			}

			// `_draft_or_post_title` calls `esc_html()` so we don't need to wrap that call in
			// `esc_html`.
			$post_title = '<a class="wp-block-latest-comments__comment-link" href="' . esc_url( get_comment_link( $comment ) ) . '">' . wp_latest_comments_draft_or_post_title( $comment->comment_post_ID ) . '</a>';

			$list_items_markup .= sprintf(
				/* translators: 1: author name (inside <a> or <span> tag, based on if they have a URL), 2: post title related to this comment */
				__( '%1$s on %2$s' ),
				$author_markup,
				$post_title
			);

			if ( $attributes['displayDate'] ) {
				$list_items_markup .= sprintf(
					'<time datetime="%1$s" class="wp-block-latest-comments__comment-date">%2$s</time>',
					esc_attr( get_comment_date( 'c', $comment ) ),
					date_i18n( get_option( 'date_format' ), get_comment_date( 'U', $comment ) )
				);
			}
			$list_items_markup .= '</footer>';
			if ( $attributes['displayExcerpt'] ) {
				$list_items_markup .= '<div class="wp-block-latest-comments__comment-excerpt">' . wpautop( get_comment_excerpt( $comment ) ) . '</div>';
			}
			$list_items_markup .= '</article></li>';
		}
	}

	$classnames = array();
	if ( $attributes['displayAvatar'] ) {
		$classnames[] = 'has-avatars';
	}
	if ( $attributes['displayDate'] ) {
		$classnames[] = 'has-dates';
	}
	if ( $attributes['displayExcerpt'] ) {
		$classnames[] = 'has-excerpts';
	}
	if ( empty( $comments ) ) {
		$classnames[] = 'no-comments';
	}
	$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classnames ) ) );

	return ! empty( $comments ) ? sprintf(
		'<ol %1$s>%2$s</ol>',
		$wrapper_attributes,
		$list_items_markup
	) : sprintf(
		'<div %1$s>%2$s</div>',
		$wrapper_attributes,
		__( 'No comments to show.' )
	);
}

/**
 * Registers the `core/latest-comments` block.
 */
function register_block_core_latest_comments() {
	register_block_type_from_metadata(
		__DIR__ . '/latest-comments',
		array(
			'render_callback' => 'render_block_core_latest_comments',
		)
	);
}

add_action( 'init', 'register_block_core_latest_comments' );
/**
 * CacheChecker - new in AO 2.0
 *
 * Daily cronned job (filter to change freq. + filter to disable).
 * Checks if cachesize is > 0.5GB (size is filterable), if so, an option is set which controls showing an admin notice.
 */

if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

class autoptimizeCacheChecker
{
    const SCHEDULE_HOOK = 'ao_cachechecker';

    public function __construct()
    {
    }

    public function run()
    {
        $this->add_hooks();
    }

    public function add_hooks()
    {
        if ( is_admin() ) {
            add_action( 'plugins_loaded', array( $this, 'setup' ) );
        }
        add_action( self::SCHEDULE_HOOK, array( $this, 'cronjob' ) );
        add_action( 'admin_notices', array( $this, 'show_admin_notice' ) );
    }

    public function setup()
    {
        $do_cache_check = (bool) apply_filters( 'autoptimize_filter_cachecheck_do', true );
        $schedule       = wp_get_schedule( self::SCHEDULE_HOOK );
        $frequency      = apply_filters( 'autoptimize_filter_cachecheck_frequency', 'twicedaily' );
        if ( ! in_array( $frequency, array( 'hourly', 'twicedaily', 'daily', 'weekly', 'monthly' ) ) ) {
            $frequency = 'twicedaily';
        }
        if ( $do_cache_check && ( ! $schedule || $schedule !== $frequency ) ) {
            if ( $schedule ) {
                wp_clear_scheduled_hook( self::SCHEDULE_HOOK );
            }
            wp_schedule_event( time(), $frequency, self::SCHEDULE_HOOK );
        } elseif ( $schedule && ! $do_cache_check ) {
            wp_clear_scheduled_hook( self::SCHEDULE_HOOK );
        }
    }

    public function cronjob()
    {
        // Check cachesize and act accordingly.
        $max_size       = (int) apply_filters( 'autoptimize_filter_cachecheck_maxsize', 536870912 );
        $do_cache_check = (bool) apply_filters( 'autoptimize_filter_cachecheck_do', true );
        $stat_array     = autoptimizeCache::stats();
        $cache_size     = round( $stat_array[1] );
        if ( ( $cache_size > $max_size ) && ( $do_cache_check ) ) {
            autoptimizeOptionWrapper::update_option( 'autoptimize_cachesize_notice', true );
            if ( apply_filters( 'autoptimize_filter_cachecheck_sendmail', true ) ) {
                $home_url  = esc_url( home_url() );
                $ao_mailto = apply_filters( 'autoptimize_filter_cachecheck_mailto', autoptimizeOptionWrapper::get_option( 'admin_email', '' ) );

                $ao_mailsubject = __( 'Autoptimize cache size warning', 'autoptimize' ) . ' (' . $home_url . ')';
                $ao_mailbody    = __( 'Autoptimize\'s cache size is getting big, consider purging the cache. Have a look at https://wordpress.org/plugins/autoptimize/faq/ to see how you can keep the cache size under control.', 'autoptimize' ) . ' (site: ' . $home_url . ')';

                if ( ! empty( $ao_mailto ) ) {
                    $ao_mailresult = wp_mail( $ao_mailto, $ao_mailsubject, $ao_mailbody );
                    if ( ! $ao_mailresult ) {
                        error_log( 'Autoptimize could not send cache size warning mail.' );
                    }
                }
            }
        }

        // Check if 3rd party services (e.g. image proxy) are up.
        autoptimizeUtils::check_service_availability();

        // Nukes advanced cache clearing artifacts if they exists...
        autoptimizeCache::delete_advanced_cache_clear_artifacts();

        // Check image optimization stats.
        autoptimizeImages::instance()->query_img_provider_stats();
    }

    public function show_admin_notice()
    {
        if ( (bool) autoptimizeOptionWrapper::get_option( 'autoptimize_cachesize_notice', false ) && current_user_can( 'manage_options' ) ) {
            echo '<div class="notice notice-warning"><p>';
            _e( '<strong>Autoptimize\'s cache size is getting big</strong>, consider purging the cache. Have a look at <a href="https://wordpress.org/plugins/autoptimize/faq/" target="_blank" rel="noopener noreferrer">the Autoptimize FAQ</a> to see how you can keep the cache size under control.', 'autoptimize' );
            echo '</p></div>';
            autoptimizeOptionWrapper::update_option( 'autoptimize_cachesize_notice', false );
        }

        // Notice for image proxy usage.
        $_imgopt_notice = autoptimizeImages::instance()->get_imgopt_status_notice_wrapper();
        if ( current_user_can( 'manage_options' ) && is_array( $_imgopt_notice ) && array_key_exists( 'status', $_imgopt_notice ) && in_array( $_imgopt_notice['status'], array( 1, -1, -2, -3 ) ) ) {
            $_dismissible = 'ao-img-opt-notice-';
            $_hide_notice = '7';

            if ( -1 == $_imgopt_notice['status'] || -2 == $_imgopt_notice['status'] || -3 == $_imgopt_notice['status'] ) {
                $_hide_notice = '1';
            }

            $_imgopt_notice_dismissible = apply_filters( 'autoptimize_filter_imgopt_notice_dismissable', $_dismissible . $_hide_notice );

            if ( $_imgopt_notice && PAnD::is_admin_notice_active( $_imgopt_notice_dismissible ) ) {
                echo '<div class="notice notice-warning is-dismissible" data-dismissible="' . $_imgopt_notice_dismissible . '"><p><strong>' . __( 'Autoptimize', 'autoptimize' ) . '</strong>: ' . $_imgopt_notice['notice'] . '</p></div>';
            }
        }
    }
}