<?php

/**

 * Server-side rendering of the `core/avatar` block.

 *

 * @package WordPress

 */

/**

 * Renders the `core/avatar` block on the server.

 *

 * @param array    $attributes Block attributes.

 * @param string   $content    Block default content.

 * @param WP_Block $block      Block instance.

 * @return string Return the avatar.

 */

function render_block_core_avatar( $attributes, $content, $block ) {

	$size               = isset( $attributes['size'] ) ? $attributes['size'] : 96;

	$wrapper_attributes = get_block_wrapper_attributes();

	$image_styles = array();

	// Add border width styles.

	$has_border_width = ! empty( $attributes['style']['border']['width'] );

	if ( $has_border_width ) {

		$border_width   = $attributes['style']['border']['width'];

		$image_styles[] = sprintf( 'border-width: %s;', esc_attr( $border_width ) );

	}

	// Add border radius styles.

	$has_border_radius = ! empty( $attributes['style']['border']['radius'] );

	if ( $has_border_radius ) {

		$border_radius = $attributes['style']['border']['radius'];

		if ( is_array( $border_radius ) ) {

			// Apply styles for individual corner border radii.

			foreach ( $border_radius as $key => $value ) {

				if ( null !== $value ) {

					$name = _wp_to_kebab_case( $key );

					// Add shared styles for individual border radii.

					$border_style   = sprintf(

						'border-%s-radius: %s;',

						esc_attr( $name ),

						esc_attr( $value )

					);

					$image_styles[] = $border_style;

				}

			}

		} else {

			$border_style   = sprintf( 'border-radius: %s;', esc_attr( $border_radius ) );

			$image_styles[] = $border_style;

		}

	}

	// Add border color styles.

	$has_border_color = ! empty( $attributes['style']['border']['color'] );

	if ( $has_border_color ) {

		$border_color   = $attributes['style']['border']['color'];

		$image_styles[] = sprintf( 'border-color: %s;', esc_attr( $border_color ) );

	}

	// Add border style (solid, dashed, dotted ).

	$has_border_style = ! empty( $attributes['style']['border']['style'] );

	if ( $has_border_style ) {

		$border_style   = $attributes['style']['border']['style'];

		$image_styles[] = sprintf( 'border-style: %s;', esc_attr( $border_style ) );

	}

	// Add border classes to the avatar image for both custom colors and palette colors.

	$image_classes = '';

	if ( $has_border_color || isset( $attributes['borderColor'] ) ) {

		$image_classes .= 'has-border-color';

	}

	if ( isset( $attributes['borderColor'] ) ) {

		$image_classes .= ' has-' . $attributes['borderColor'] . '-border-color';

	}

	if ( ! isset( $block->context['commentId'] ) ) {

		$author_id   = isset( $attributes['userId'] ) ? $attributes['userId'] : get_post_field( 'post_author', $block->context['postId'] );

		$author_name = get_the_author_meta( 'display_name', $author_id );

		// translators: %s is the Author name.

		$alt          = sprintf( __( '%s Avatar' ), $author_name );

		$avatar_block = get_avatar(

			$author_id,

			$size,

			'',

			$alt,

			array(

				'extra_attr' => isset( $image_styles ) ? sprintf( ' style="%s"', safecss_filter_attr( implode( ' ', $image_styles ) ) ) : '',

				'class'      => "wp-block-avatar__image $image_classes ",

			)

		);

		if ( isset( $attributes['isLink'] ) && $attributes['isLink'] ) {

			$label = '';

			if ( '_blank' === $attributes['linkTarget'] ) {

				// translators: %s is the Author name.

				$label = 'aria-label="' . sprintf( esc_attr__( '(%s author archive, opens in a new tab)' ), $author_name ) . '"';

			}

			// translators: %1$s: Author archive link. %2$s: Link target. %3$s Aria label. %4$s Avatar image.

			$avatar_block = sprintf( '<a href="%1$s" target="%2$s" %3$s class="wp-block-avatar__link">%4$s</a>', get_author_posts_url( $author_id ), esc_attr( $attributes['linkTarget'] ), $label, $avatar_block );

		}

		return sprintf( '<div %1s>%2s</div>', $wrapper_attributes, $avatar_block );

	}

	$comment = get_comment( $block->context['commentId'] );

	/* translators: %s is the Comment Author name */

	$alt = sprintf( __( '%s Avatar' ), $comment->comment_author );

	if ( ! $comment ) {

		return '';

	}

	$avatar_block = get_avatar(

		$comment,

		$size,

		'',

		$alt,

		array(

			'extra_attr' => isset( $image_styles ) ? sprintf( ' style="%s"', safecss_filter_attr( implode( ' ', $image_styles ) ) ) : '',

			'class'      => "wp-block-avatar__image $image_classes",

		)

	);

	if ( isset( $attributes['isLink'] ) && $attributes['isLink'] && isset( $comment->comment_author_url ) && '' !== $comment->comment_author_url ) {

		$label = '';

		if ( '_blank' === $attributes['linkTarget'] ) {

			// translators: %s is the Comment Author name.

			$label = 'aria-label="' . sprintf( esc_attr__( '(%s website link, opens in a new tab)' ), $comment->comment_author ) . '"';

		}

		// translators: %1$s: Comment Author website link. %2$s: Link target. %3$s Aria label. %4$s Avatar image.

		$avatar_block = sprintf( '<a href="%1$s" target="%2$s" %3$s class="wp-block-avatar__link">%4$s</a>', $comment->comment_author_url, esc_attr( $attributes['linkTarget'] ), $label, $avatar_block );

	}

	return sprintf( '<div %1s>%2s</div>', $wrapper_attributes, $avatar_block );

}

/**

 * Registers the `core/avatar` block on the server.

 */

function register_block_core_avatar() {

	register_block_type_from_metadata(

		__DIR__ . '/avatar',

		array(

			'render_callback' => 'render_block_core_avatar',

		)

	);

}

add_action( 'init', 'register_block_core_avatar' );