<?php

/**
 * Render block style
 */

add_filter( 'gtm.BlockStyleCompiler.' . GTM_GLOBAL_BLOCK_STYLE, 'gtm_compile_block_css_block_printing', 10, 3 );
function gtm_compile_block_css_block_printing( $output, $attributes, $blockName ) {
	$block_style = ['classes' => [], 'style' => []];

	if ( ! empty( $attributes['gtmPrinting'] ) ) {
		if ( $attributes['gtmPrinting'] == 'hide' ) {
			$block_style['classes'][] = 'gtm-no-print';
		} else if ( $attributes['gtmPrinting'] == 'exclusive' ) {
			$block_style['classes'][] = 'gtm-exclusive-print';
		}
	}

	// 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'] ),
	];
}