<?php
/**
* Server-side rendering of the `core/comment-date` block.
*
* @package WordPress
*/

/**
* Renders the `core/comment-date` block on the server.
*
* @since 6.0.0
*
* @param array $attributes Block attributes.
* @param string $content Block default content.
* @param WP_Block $block Block instance.
* @return string Return the post comment's date.
*/
function render_block_core_comment_date( $attributes, $content, $block ) {
if ( ! isset( $block->context['commentId'] ) ) {
return '';
}

$comment = get_comment( $block->context['commentId'] );
if ( empty( $comment ) ) {
return '';
}

$classes = ( isset( $attributes['style']['elements']['link']['color']['text'] ) ) ? 'has-link-color' : '';

$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $classes ) );
if ( isset( $attributes['format'] ) && 'human-diff' === $attributes['format'] ) {
// translators: %s: human-readable time difference.
$formatted_date = sprintf( __( '%s ago' ), human_time_diff( get_comment_date( 'U', $comment ) ) );
} else {
$formatted_date = get_comment_date( empty( $attributes['format'] ) ? '' : $attributes['format'], $comment );
}
$link = get_comment_link( $comment );

if ( ! empty( $attributes['isLink'] ) ) {
$formatted_date = sprintf( '<a href="%1s">%2s</a>', esc_url( $link ), $formatted_date );
}

return sprintf(
'<div %1$s><time datetime="%2$s">%3$s</time></div>',
$wrapper_attributes,
esc_attr( get_comment_date( 'c', $comment ) ),
$formatted_date
);
}

/**
* Registers the `core/comment-date` block on the server.
*
* @since 6.0.0
*/
function register_block_core_comment_date() {
register_block_type_from_metadata(
__DIR__ . '/comment-date',
array(
'render_callback' => 'render_block_core_comment_date',
)
);
}
add_action( 'init', 'register_block_core_comment_date' );