<?php

class Wiaas_Shop {

	public static function init() {

		// registers special prices taxonomy that will enable package search based on
		// set and visible price types (default and customer specific ones)
		add_action('woocommerce_after_register_taxonomy', array(__CLASS__, 'register_prices_taxonomy'));

		// update prices search terms for package after prices extras have been updated
		add_action('wiaas_package_prices_extras_set', array(__CLASS__, 'update_package_prices_search_terms'), 10, 4);
	}

	/**
	 * Register special prices taxonomy to enable search of packages by prices inside every shop
	 */
	public static function register_prices_taxonomy() {
		$args = array(
			'hierarchical'      => false,
			'query_var'         => true,
			'rewrite'           => false,
			'public'            => true,
			'capabilities'          => array(
				'manage_terms' => 'manage_wiaas_package_price_terms',
				'edit_terms'   => 'edit_wiaas_package_price_terms',
				'delete_terms' => 'delete_wiaas_package_price_terms',
				'assign_terms' => 'assign_wiaas_package_price_terms',
			),
		);

		register_taxonomy( '_wiaas_shop_prices', array( 'product' ), $args );
	}

	/**
	 * Relate pricing search terms to package so customer can retrieve packages with default or
	 * their own specific prices.
	 * (ex: Package which will be hidden fro Customer 1 because default price
	 * is hidden can be visible for Customer 2 because specific prices are set for that customer)
	 *
	 * @param int $owner_id
	 * @param int $package_id
	 * @param array $cl_extras {
	 *			        $extra_price_payment_type =>  {
	 *                      @type bool visible      Indicates if payment type is visible to customer
	 *                  }
     *               }
	 * @param array $old_cl_extras {
	 *			        $extra_price_payment_type =>  {
	 *                      @type bool visible      Indicates if payment type is visible to customer
	 *                  }
	 *               }
	 */
	public static function update_package_prices_search_terms($owner_id, $package_id, $cl_extras, $old_cl_extras) {
		// remove pricing terms for previous prices
		if (! empty($old_cl_extras)) {

			$old_visible_price_types = array_keys(wp_list_filter($old_cl_extras, array( 'visible' => true )));

			$old_terms_names = preg_filter('/^/', '_' . $owner_id . '_', $old_visible_price_types);

			wp_remove_object_terms($package_id, $old_terms_names, '_wiaas_shop_prices');
		}

		// get visible price types set by shop owner (commercial lead)
		$visible_price_types = array_keys(wp_list_filter($cl_extras, array('visible' => true)));

		$new_terms_names = preg_filter('/^/', '_' . $owner_id . '_', $visible_price_types);

		// create term for every visible pricing type and link them to package so package can be queried
		wp_set_object_terms($package_id, $new_terms_names, '_wiaas_shop_prices');
	}
}

Wiaas_Shop::init();