<?php

/**
 * Custom template tags for this theme.
 *
 * Eventually, some of the functionality here could be replaced by core features.
 *
 * @package accesspress_parallax
 */
if ( !function_exists( 'accesspress_parallax_posted_on' ) ) :

    /**
     * Prints HTML with meta information for the current post-date/time and author.
     */
    function accesspress_parallax_posted_on() {
        $time_string = '<time class="entry-date published" datetime="%1$s"><span class="posted-day">%2$s</span><span class="posted-month">%3$s</span></time>';
        if ( get_the_time( 'U' ) !== get_the_modified_time( 'U' ) ) {
            $time_string .= '<time class="updated" datetime="%4$s">%5$s</time>';
        }

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

        $byline = sprintf(
                /* translators: Post Author */
                _x( 'By %s', 'post author', 'accesspress-parallax' ), '<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>'
        );

        $post_date = accesspress_parallax_of_get_option( 'post_date' );
        $post_author = accesspress_parallax_of_get_option( 'post_author' );
        if ( $post_date == 1 ) :
            echo '<div class="entry-meta">';
            echo '<span class="posted-on">' . $time_string . '</span>'; // WPCS: XSS OK.
            echo '</div>';
        endif;

        if ( $post_author == 1 ) :
            echo '<div class="byline"> ' . $byline . '</div>'; // WPCS: XSS OK.
        endif;
    }

endif;

/**
 * Returns true if a blog has more than 1 category.
 *
 * @return bool
 */
function accesspress_parallax_categorized_blog() {
    if ( false === ( $all_the_cool_cats = get_transient( 'accesspress_parallax_categories' ) ) ) {
        // Create an array of all the categories that are attached to posts.
        $all_the_cool_cats = get_categories( array(
            'fields' => 'ids',
            'hide_empty' => 1,
            // We only need to know if there is more than one category.
            'number' => 2,
                ) );

        // Count the number of categories that are attached to the posts.
        $all_the_cool_cats = count( $all_the_cool_cats );

        set_transient( 'accesspress_parallax_categories', $all_the_cool_cats );
    }

    if ( $all_the_cool_cats > 1 ) {
        // This blog has more than 1 category so accesspress_parallax_categorized_blog should return true.
        return true;
    } else {
        // This blog has only 1 category so accesspress_parallax_categorized_blog should return false.
        return false;
    }
}

/**
 * Flush out the transients used in accesspress_parallax_categorized_blog.
 */
function accesspress_parallax_category_transient_flusher() {
    // Like, beat it. Dig?
    delete_transient( 'accesspress_parallax_categories' );
}

add_action( 'edit_category', 'accesspress_parallax_category_transient_flusher' );
add_action( 'save_post', 'accesspress_parallax_category_transient_flusher' );
