<?php
/**
 * Wishlist counter
 *
 * @since             1.4.0
 * @package           TInvWishlist\Public
 */

// If this file is called directly, abort.
if (!defined('ABSPATH')) {
	die;
}

/**
 * Drop down widget
 */
class TInvWL_Public_WishlistCounter
{

	/**
	 * Plugin name
	 *
	 * @var string
	 */
	static $_name;
	/**
	 * This class
	 *
	 * @var \TInvWL_Public_WishlistCounter
	 */
	protected static $_instance = null;

	/**
	 * Get this class object
	 *
	 * @param string $plugin_name Plugin name.
	 *
	 * @return \TInvWL_Public_WishlistCounter
	 */
	public static function instance($plugin_name = TINVWL_PREFIX)
	{
		if (is_null(self::$_instance)) {
			self::$_instance = new self($plugin_name);
		}

		return self::$_instance;
	}

	/**
	 * Constructor
	 *
	 * @param string $plugin_name Plugin name.
	 */
	function __construct($plugin_name)
	{
		self::$_name = $plugin_name;
		$this->define_hooks();
	}

	/**
	 * Define hooks
	 */
	function define_hooks()
	{
		if (tinv_get_option('topline', 'menu') && !is_admin()) {
			add_filter('wp_get_nav_menu_items', array(__CLASS__, 'add_to_menu'), 999, 3);
		}
	}

	/**
	 * Add to menu wishlist link
	 *
	 * @param array $items An array of menu item post objects.
	 * @param object $menu The menu object.
	 * @param array $args An array of arguments used to retrieve menu item objects.
	 *
	 * @return array
	 */
	public static function add_to_menu($items, $menu, $args)
	{
		$menu_cnt = count($items) + 1;
		$menu_ids = tinv_get_option('topline', 'menu');

		if (!is_array($menu_ids)) {
			$menu_ids = array($menu_ids);
			$menu_ids = array_filter($menu_ids);
		}

		foreach ($menu_ids as $menu_id) {

			if ($menu_id == $menu->term_id && apply_filters('tinvwl_add_to_menu', true, $menu_id)) {

				$menu_order = tinv_get_option('topline', 'menu_order') ? tinv_get_option('topline', 'menu_order') : 100;

				// Item title.

				$show_icon = (bool)tinv_get_option('topline', 'icon');
				$icon_type = tinv_get_option('topline', 'icon');
				$icon_class = ($show_icon && tinv_get_option('topline', 'icon')) ? 'top_wishlist-' . tinv_get_option('topline', 'icon') : '';
				$icon_style = ($show_icon && tinv_get_option('topline', 'icon')) ? esc_attr('top_wishlist-' . tinv_get_option('topline', 'icon_style')) : '';
				$icon_upload = tinv_get_option('topline', 'icon_upload');

				$counter = tinv_get_option('topline', 'show_counter') ? '<span class="wishlist_products_counter_number"></span>' : '';

				$text = tinv_get_option('topline', 'show_text') ? apply_filters('tinvwl_wishlist_products_counter_text', tinv_get_option('topline', 'text')) : '';

				$icon = '<span class="wishlist_products_counter ' . $icon_class . ' ' . $icon_style . (empty($text) ? ' no-txt' : '') . (0 < self::counter() ? ' wishlist-counter-with-products' : '') . '" >';

				if ($icon_class && 'custom' === $icon_type && !empty($icon_upload)) {
					$icon .= sprintf('<img src="%s" />', esc_url($icon_upload));
				}

				$icon .= '</span>';

				$menu_title = apply_filters('tinvwl_wishlist_products_counter_menu_html', $icon . ' ' . $text . ' ' . $counter, $icon, $text, $counter);

				if ($menu_title) {

					$wishlist_item = (object)array(
						'ID' => $menu_cnt + 2147480000,
						'object_id' => apply_filters('wpml_object_id', tinv_get_option('page', 'wishlist'), 'page', true),
						'db_id' => $menu_cnt + 2147480000,
						'title' => $menu_title,
						'url' => esc_url(tinv_url_wishlist_default()),
						'menu_order' => $menu_order,
						'menu_item_parent' => 0,
						'type' => 'post',
						'post_parent' => 0,
						'filter' => 'raw',
						'target' => '',
						'attr_title' => '',
						'object' => get_post_type(get_post(apply_filters('wpml_object_id', tinv_get_option('page', 'wishlist'), 'page', true))),
						'classes' => array(),
						'description' => '',
						'xfn' => '',
						'status' => '',
					);

					foreach (array_keys($items) as $key) {

						if ($items[$key]->menu_order > ($menu_order - 1)) {
							$items[$key]->menu_order = $items[$key]->menu_order + 1;
						}
					}

					if ($menu_order < $menu_cnt) {
						array_splice($items, $menu_order - 1, 0, array($wishlist_item));
					} else {
						$items[] = $wishlist_item;
					}
				}
			}
		}

		return $items;
	}

	/**
	 * Output shortcode
	 *
	 * @param array $atts Shortcode attributes.
	 */
	function htmloutput($atts)
	{
		$data = array(
			'icon' => tinv_get_option('topline', 'icon'),
			'icon_class' => ($atts['show_icon'] && tinv_get_option('topline', 'icon')) ? 'top_wishlist-' . tinv_get_option('topline', 'icon') : '',
			'icon_style' => ($atts['show_icon'] && tinv_get_option('topline', 'icon')) ? esc_attr('top_wishlist-' . tinv_get_option('topline', 'icon_style')) : '',
			'icon_upload' => tinv_get_option('topline', 'icon_upload'),
			'text' => $atts['show_text'] ? $atts['text'] : '',
			'counter' => $atts['show_counter'],
			'show_counter' => $atts['show_counter'],
		);
		tinv_wishlist_template('ti-wishlist-product-counter.php', $data);
	}

	/**
	 * Get count product in all wishlist
	 *
	 * @return integer
	 */
	public static function counter()
	{
		global $wpdb;
		$count = 0;
		$wl = new TInvWL_Wishlist();
		if (is_user_logged_in()) {
			$wishlist = $wl->add_user_default();
			$wlp = new TInvWL_Product();
			$counts = $wlp->get(array(
				'external' => false,
				'wishlist_id' => $wishlist['ID'],
				'sql' => 'SELECT COUNT(`quantity`) AS `quantity` FROM {table} t1 INNER JOIN ' . $wpdb->prefix . 'posts t2 on t1.product_id = t2.ID AND t2.post_status = "publish" WHERE {where} ',
			));
			$counts = array_shift($counts);
			$count = absint($counts['quantity']);
		} else {
			$wishlist = $wl->get_by_sharekey_default();
			if (!empty($wishlist)) {
				$wishlist = array_shift($wishlist);
				$wlp = new TInvWL_Product($wishlist);
				$counts = $wlp->get_wishlist(array(
					'external' => false,
					'sql' => sprintf('SELECT %s(`quantity`) AS `quantity` FROM {table}  t1 INNER JOIN ' . $wpdb->prefix . 'posts t2 on t1.product_id = t2.ID AND t2.post_status = "publish" WHERE {where}', 'COUNT'),
				));
				$counts = array_shift($counts);
				$count = absint($counts['quantity']);
			}
		}

		return $count ? $count : (tinv_get_option('topline', 'hide_zero_counter') ? false : 0);
	}

	/**
	 * Shortcode basic function
	 *
	 * @param array $atts Array parameter from shortcode.
	 *
	 * @return string
	 */
	function shortcode($atts = array())
	{
		$default = array(
			'show_icon' => (bool)tinv_get_option('topline', 'icon'),
			'show_text' => tinv_get_option('topline', 'show_text'),
			'text' => apply_filters('tinvwl_wishlist_products_counter_text', tinv_get_option('topline', 'text')),
			'show_counter' => tinv_get_option('topline', 'show_counter'),
		);
		$atts = filter_var_array(shortcode_atts($default, $atts), array(
			'show_icon' => FILTER_VALIDATE_BOOLEAN,
			'show_text' => FILTER_VALIDATE_BOOLEAN,
			'show_counter' => FILTER_VALIDATE_BOOLEAN,
			'text' => FILTER_DEFAULT,
		));
		ob_start();
		$this->htmloutput($atts);

		return ob_get_clean();
	}
}