<?php

/**
 * Renders the `gtm/review-note` block on the server.
 *
 * @param array    $attributes Block attributes.
 * @param string   $content    Block default content.
 * @param WP_Block $block      Block instance.
 * @return string Returns the review note for the current post.
 */
function gtm_render_block_review_note( $attr, $content, $block ) {

	if ( ! isset( $block->context['gtmReviewPros'] ) && ! isset( $block->context['gtmReviewCons'] ) ) {
		return '';
	}

	if ( $attr['type'] == 'pros' ) {
		$notes = $block->context['gtmReviewPros'];
		add_filter( 'gtm_has_review_note_type_pros', '__return_true' );
	} else {
		$notes = $block->context['gtmReviewCons'];
		add_filter( 'gtm_has_review_note_type_cons', '__return_true' );
	}

	if ( empty( $notes ) ) {
		return '';
	}

	$inner_html = '<ul class="wp-block-gtm-review-note__list">';

	foreach ( $notes as $note ) {
		if ( ! empty( trim( $note ) ) ) {
			$inner_html .= sprintf( '<li>%s</li>', esc_html( $note ) );
		}
	}

	$inner_html .= '</ul>';

	$wrapper_attributes = get_block_wrapper_attributes( ['class' => ''] );

	// Render only when enable schema
	if ( get_option( 'gtm_seo_enable_post_rich_snippets', true ) ) {
		add_action( 'wp_footer', function () use ( $attr, $notes ) {
			gtm_render_block_review_note_schema( [
				'type'  => $attr['type'],
				'notes' => $notes,
			] );
		} );
	}
	return sprintf(
		'<div %1$s>%2$s</div>',
		$wrapper_attributes,
		$inner_html
	);
}

/**
 * Registers the `gtm/review-note` block on the server.
 */
function gtm_register_block_review_note() {
	gtm_register_block_type( 'review-note', [
		'render_callback' => 'gtm_render_block_review_note',
	] );
}

add_action( 'init', 'gtm_register_block_review_note', 20 );

add_filter( 'gtm.BlockStyleCompiler.gtm/review-note', 'gtm_compile_block_css_review_note', 10, 3 );
function gtm_compile_block_css_review_note( $output, $attributes, $blockName ) {
	$block_style = ['classes' => [], 'style' => []];

	$block_style['classes'][] = 'gtm-block';
	$block_style['classes'][] = "gtm-has-review-note-bullet-type-{$attributes['bulletType']}";

	if ( $attributes['icon'] ) {
		$block_style['classes'][] = "gtm-has-review-note-icon-{$attributes['icon']}";
	}

	if ( $attributes['enableTimeline'] ) {
		$block_style['classes'][] = "gtm-has-review-note-timeline";
	}

	gtm_css_compileCssVar( $block_style, "review-note-spacing", gtm_css_parseSpacingValue( $attributes['listSpacing'] ) );

	gtm_css_compileCssVar( $block_style, "review-note-bullet-width", $attributes['bulletWidth'] );

	gtm_css_compileCssVar( $block_style, "review-note-bullet-spacing", gtm_css_parseSpacingValue( $attributes['bulletSpacing'] ) );

	gtm_css_compileCssVar( $block_style, "review-note-bullet-radius", gtm_css_parseBorderRadiusValue( $attributes['bulletRadius'] ) );

	gtm_css_compileCssVar( $block_style, "review-note-bullet-color", gtm_css_parseColorValue( $attributes['bulletColor'] ) );

	gtm_css_compileCssVar( $block_style, "review-note-bullet-bg", gtm_css_parseColorValue( $attributes['bulletBg'] ) );

	if ( 'numbers' == $attributes['bulletType'] ) {
		gtm_css_compileCssVar( $block_style, "review-note-number-start", $attributes['numberStart'] );
	}

	if ( $attributes['enableTimeline'] ) {
		gtm_css_compileCssVar( $block_style, "review-note-timeline-color", gtm_css_parseColorValue( $attributes['timelineColor'] ) );

		if ( $attributes['timelineOpacity'] ?? null ) {
			gtm_css_compileCssVar( $block_style, "review-note-timeline-opacity", intval( $attributes['timelineOpacity'] ) / 100 );
		}

		gtm_css_compileCssVar( $block_style, "review-note-timeline-thickness", $attributes['timelineThickness'] );
	}

	// Apply to output
	$block_style['style'] = ['{{BLOCK}}' => $block_style['style']];

	return [
		'classes' => array_merge( $output['classes'], $block_style['classes'] ),
		'style'   => array_replace_recursive( $output['style'], $block_style['style'] ),
	];
}

function gtm_render_block_review_note_schema( $attr = [] ) {
	$attr = wp_parse_args( $attr, [
		'type'  => 'pros',
		'notes' => [],
	] );

	// Render
	gtm_the_json_ld( gtm_get_item_list_schema( $attr['notes'], [
		'id' => '#gtm-review-note-' . $attr['type'],
	] ) );
}