<?php
/**
 * Custom template tags for this theme
 *
 * Eventually, some of the functionality here could be replaced by core features.
 *
 * @package Airi
 */

if ( ! function_exists( 'airi_posted_on' ) ) :
	/**
	 * Prints HTML with meta information for the current post-date/time.
	 */
	function airi_posted_on() {
		$time_string = '<time class="entry-date published updated" datetime="%1$s">%2$s</time>';
		if ( get_the_time( 'U' ) !== get_the_modified_time( 'U' ) ) {
			$time_string = '<time class="entry-date published" datetime="%1$s">%2$s</time><time class="updated" datetime="%3$s">%4$s</time>';
		}

		$time_string = sprintf( $time_string,
			esc_attr( get_the_date( 'c' ) ),
			esc_html( get_the_date() ),
			esc_attr( get_the_modified_date( 'c' ) ),
			esc_html( get_the_modified_date() )
		);

		$posted_on = '<a href="' . esc_url( get_permalink() ) . '" rel="bookmark">' . $time_string . '</a>';

		echo '<span class="posted-on">' . $posted_on . '</span>'; // WPCS: XSS OK.

	}
endif;

if ( ! function_exists( 'airi_posted_by' ) ) :
	/**
	 * Prints HTML with meta information for the current author.
	 */
	function airi_posted_by() {
		$byline = sprintf(
			/* translators: %s: post author. */
			esc_html_x( 'by %s', 'post author', 'airi' ),
			'<span class="author vcard"><a class="url fn n" href="' . esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ) . '">' . esc_html( get_the_author() ) . '</a></span>'
		);

		echo '<span class="byline"> ' . $byline . '</span>'; // WPCS: XSS OK.

	}
endif;

if ( ! function_exists( 'airi_entry_footer' ) ) :
	/**
	 * Prints HTML with meta information for the categories, tags and comments.
	 */
	function airi_entry_footer() {
		// Hide category and tag text for pages.
		if ( 'post' === get_post_type() ) {
			/* translators: used between list items, there is a space after the comma */
			$tags_list = get_the_tag_list( '', esc_html_x( ', ', 'list item separator', 'airi' ) );
			if ( $tags_list ) {
				/* translators: 1: list of tags. */
				printf( '<span class="tags-links">' . esc_html__( 'Tagged %1$s', 'airi' ) . '</span>', $tags_list ); // WPCS: XSS OK.
			}
		}

		if ( ! is_single() && ! post_password_required() && ( comments_open() || get_comments_number() ) ) {
			echo '<span class="comments-link">';
			comments_popup_link(
				sprintf(
					wp_kses(
						/* translators: %s: post title */
						__( 'Leave a Comment<span class="screen-reader-text"> on %s</span>', 'airi' ),
						array(
							'span' => array(
								'class' => array(),
							),
						)
					),
					get_the_title()
				)
			);
			echo '</span>';
		}

		edit_post_link(
			sprintf(
				wp_kses(
					/* translators: %s: Name of current post. Only visible to screen readers */
					__( 'Edit <span class="screen-reader-text">%s</span>', 'airi' ),
					array(
						'span' => array(
							'class' => array(),
						),
					)
				),
				get_the_title()
			),
			'<span class="edit-link">',
			'</span>'
		);
	}
endif;

if ( ! function_exists( 'airi_post_thumbnail' ) ) :
/**
 * Displays an optional post thumbnail.
 *
 * Wraps the post thumbnail in an anchor element on index views, or a div
 * element when on single views.
 */
function airi_post_thumbnail() {
	if ( post_password_required() || is_attachment() || ! has_post_thumbnail() ) {
		return;
	}
	$layout = get_theme_mod( 'blog_layout', 'layout-default' );

	if ( is_singular() ) :
	?>

	<div class="post-thumbnail">
		<?php
		$image_size = 'airi-720';

		if ( 'layout-two-columns' == $layout )
		{
			$image_size = 'airi-969-485';
		}
		elseif ( 'layout-list-box' == $layout )
		{
			$image_size = 'airi-870-384';
		}
		?>
		<?php the_post_thumbnail( $image_size ); ?>
	</div><!-- .post-thumbnail -->

	<?php else : ?>

	<a class="post-thumbnail" href="<?php the_permalink(); ?>" aria-hidden="true">
		<?php
		$image_size = 'airi-720';
		if ( 'layout-list-2' == $layout )
		{
			$image_size = 'airi-850-485';
		}
		elseif ( 'layout-two-columns' == $layout )
		{
			$image_size = 'airi-390-280';
		}
		elseif ( 'layout-list-box' == $layout )
		{
			$image_size = 'airi-870-384';
		}
		the_post_thumbnail( $image_size, array(
			'alt' => the_title_attribute( array(
				'echo' => false,
			) ),
		) );
		?>
	</a>

	<?php endif; // End is_singular().
}
endif;

/**
 * Get the first category of the post
 */
function airi_first_category() {
	$categories = get_the_category();
	if ( ! empty( $categories ) ) {
	    echo '<a class="first-cat post-cat" href="' . esc_url( get_category_link( $categories[0]->term_id ) ) . '">' . esc_html( $categories[0]->name ) . '</a>';
	}
}

/**
 * All categories
 */
function airi_all_categories() {
	/* translators: used between list items, there is a space after the comma */
	$categories_list = get_the_category_list( esc_html__( ' ', 'airi' ) );
	if ( $categories_list ) {
		echo '<span class="cat-links">' . $categories_list . '</span>';
	}
}

/**
 * Get the comments
 */
function airi_get_comments_number() {

	echo '<span class="comments-number">';
	$comment_count = get_comments_number();
	if ( '1' === $comment_count ) {
		esc_html_e( '1 comment', 'airi' );
	} else {
		printf( // WPCS: XSS OK.
			/* translators: 1: comment count number, 2: title. */
			esc_html( _nx( '%1$s comment', '%1$s comments', $comment_count, 'comments title', 'airi' ) ),
			number_format_i18n( $comment_count )
		);
	}
	echo '</span>';
}