<?php

function blocksy_get_v_spacing($args = []) {
	$args = wp_parse_args(
		$args,
		[
			'array' => false
		]
	);

	$v_spacing_output = [
		'data-vertical-spacing' => 'top:bottom'
	];

	$prefix = blocksy_manager()->screen->get_prefix();

	$post_content_area_spacing = blocksy_get_theme_mod(
		$prefix . '_content_area_spacing',
		'both'
	);

	if (is_singular() || blocksy_is_page([
		'blog_is_page' => false
	]) || $prefix === 'tribe_events_archive') {
		$post_options = blocksy_get_post_options();

		$page_vertical_spacing_source = blocksy_default_akg(
			'vertical_spacing_source',
			$post_options,
			'inherit'
		);

		if ($page_vertical_spacing_source === 'custom') {
			$post_content_area_spacing = blocksy_default_akg(
				'content_area_spacing',
				$post_options,
				'both'
			);
		}
	}

	$v_spacing_components = [];

	if (
		$post_content_area_spacing === 'top'
		||
		$post_content_area_spacing === 'both'
	) {
		$v_spacing_components[] = 'top';
	}

	if (
		$post_content_area_spacing === 'bottom'
		||
		$post_content_area_spacing === 'both'
	) {
		$v_spacing_components[] = 'bottom';
	}

	$v_spacing_output = [];

	$v_spacing_components = apply_filters(
		'blocksy:vertical-spacing:components',
		$v_spacing_components
	);

	if (! empty($v_spacing_components)) {
		$v_spacing_output['data-vertical-spacing'] = implode(':', $v_spacing_components);
	}

	if ($args['array']) {
		return $v_spacing_output;
	}

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

	return 'data-vertical-spacing="' . $v_spacing_output['data-vertical-spacing'] . '"';
}