<?php

namespace Awps\Core;

/**
 * Tags.
 */
class Tags
{
	/**
	 * register default hooks and actions for WordPress
	 * @return
	 */
	public function register()
	{
		add_action( 'edit_category', array( $this, 'category_transient_flusher' ) );
		add_action( 'save_post', array( $this, 'category_transient_flusher' ) );
	}

	public static function 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$s</time><time class="updated hide" datetime="%3$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() )
		);
		$posted_on = sprintf(
			esc_html_x('Posted on %s', 'post date', 'awps'),
			'<a href="'.esc_url(get_permalink()).'" rel="bookmark">'.$time_string.'</a>'
		);
		$byline = sprintf(
			esc_html_x('by %s', 'post author', 'awps'),
			'<span class="author vcard"><a class="url fn n" href="'.esc_url(get_author_posts_url(get_the_author_meta('ID'))).'">'.esc_html(get_the_author()).'</a></span>'
		);
		echo '<span class="posted-on">'.$posted_on.'</span><span class="byline"> '.$byline.'</span>'; // WPCS: XSS OK.
	}

	public static function 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 */
			$categories_list = get_the_category_list(esc_html__(', ', 'awps'));
			if ($categories_list && self::categorized_blog()) {
				printf('<span class="cat-links">'.esc_html__('Posted in %1$s', 'awps').'</span>', $categories_list); // WPCS: XSS OK.
			}
			/* translators: used between list items, there is a space after the comma */
			$tags_list = get_the_tag_list('', esc_html__(', ', 'awps'));
			if ($tags_list) {
				printf('<span class="tags-links">'.esc_html__('Tagged %1$s', 'awps').'</span>', $tags_list); // WPCS: XSS OK.
			}
		}
		if (!is_single() && !post_password_required() && (comments_open() || get_comments_number())) {
			echo '<span class="comments-link">';
			/* translators: %s: post title */
			comments_popup_link(sprintf(wp_kses(__('Leave a Comment<span class="screen-reader-text"> on %s</span>', 'awps'), array('span' => array('class' => array()))), get_the_title()));
			echo '</span>';
		}
		edit_post_link(
			sprintf(
				/* translators: %s: Name of current post */
				esc_html__('Edit %s', 'awps'),
				the_title('<span class="screen-reader-text">"', '"</span>', false)
			),
			'<span class="edit-link">',
			'</span>'
		);
	}

	public static function categorized_blog()
	{
		if (false === ($all_the_cool_cats = get_transient('awps_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('awps_categories', $all_the_cool_cats);
		}
		if ($all_the_cool_cats > 1) {
			// This blog has more than 1 category so awps_categorized_blog should return true.
			return true;
		} else {
			// This blog has only 1 category so awps_categorized_blog should return false.
			return false;
		}
	}

	public function category_transient_flusher()
	{
		if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
			return;
		}
		delete_transient('awps_categories');
	}
}
