<?php
/**
 * Related Posts Template Functions.
 *
 * @package Kava
 */

/**
 * Print HTML with related posts block.
 *
 * @since  1.0.0
 * @return array
 */
function kava_related_posts() {

	if ( ! is_singular( 'post' ) ) {
		return;
	}

	$visible = kava_theme()->customizer->get_value( 'related_posts_visible' );

	if ( false === $visible ) {
		return;
	}

	global $post;

	$post  = get_post( $post );
	$terms = get_the_terms( $post, 'post_tag' );

	if ( ! $terms ) {
		return;
	}

	$post_terms  = array();
	$post_number = kava_theme()->customizer->get_value( 'related_posts_count' );

	$post_terms = wp_list_pluck( $terms, 'term_id' );

	$post_args = array(
		'post_type'    => 'post',
		'tag__in'      => $post_terms,
		'numberposts'  => ( int ) $post_number,
		'post__not_in' => array( $post->ID ),
	);

	$posts = get_posts( $post_args );

	if ( ! $posts ) {
		return;
	}

	$holder_view_dir = locate_template( 'template-parts/content-related-post.php', false, false );

	$settings = array(
		'block_title'     => 'related_posts_block_title',
		'title_visible'   => 'related_posts_title',
		'image_visible'   => 'related_posts_image',
		'excerpt_visible' => 'related_posts_excerpt',
		'author_visible'  => 'related_posts_author',
		'date_visible'    => 'related_posts_publish_date',
		'layout_columns'  => 'related_posts_grid',
	);

	foreach ( $settings as $setting_key => $setting_value ) {
		$settings[ $setting_key ] = kava_theme()->customizer->get_value( $setting_value );
	}

	$settings['grid_count'] = ( int ) 12 / $settings[ 'layout_columns' ];
	$grid_class             = ' col-xs-12 col-sm-6 col-md-6 col-lg-' . $settings['grid_count'] . ' ';

	if ( $holder_view_dir ) {

		$block_title = ( $settings['block_title'] ) ? '<h4 class="entry-title">' . $settings['block_title'] . '</h4>' : '';

		echo '<div class="related-posts hentry posts-list">'
				. $block_title .
				'<div class="row" >';

		foreach ( $posts as $post ) {

			setup_postdata( $post );

			$image = ( $settings['image_visible'] ) ? kava_post_thumbnail( 'kava-thumb-s', array( 'echo' => false ) ) : '';

			$title = ( $settings['title_visible'] ) ? sprintf(
				'<h6 class="entry-title"><a href="%s" rel="bookmark">%s</a></h6>',
				esc_url( get_permalink() ),
				get_the_title()
			) : '';

			$excerpt = ( $settings['excerpt_visible'] ) ? get_the_excerpt() : '';

			$author = ( $settings['author_visible'] ) ? kava_posted_by( array( 'echo' => false ) ) : '';

			$date = ( $settings['date_visible'] ) ? kava_posted_on( array( 'echo' => false ) ) : '';

			require( $holder_view_dir );
		}

		echo '</div>
		</div>';
	}

	wp_reset_postdata();
}