<?php

class Wiaas_Package {

	public static function init() {
		require_once dirname( __FILE__ ) . '/package/class-wiaas-package-pricing.php';
		require_once dirname( __FILE__ ) . '/package/class-wiaas-package-addon.php';
		require_once dirname( __FILE__ ) . '/package/class-wiaas-package-option-groups.php';

		add_action( 'woocommerce_checkout_create_order_line_item', array( __CLASS__, 'add_order_item_meta' ), 10, 3 );

		add_filter('woocommerce_rest_prepare_product_object', array(__CLASS__, 'transform_rest_package'), 999, 3);

		add_filter( 'woocommerce_hidden_order_itemmeta', array( __CLASS__, 'hidden_order_item_meta' ) );
	}

	public static function add_order_item_meta( $order_item, $cart_item_key, $cart_item ){
		if (isset($cart_item['_wiaas_standard_package'])) {
			$order_item->add_meta_data( '_wiaas_standard_package', $cart_item['_wiaas_standard_package'], true );
		}
	}

	public static function hidden_order_item_meta( $hidden ) {

		return array_merge( $hidden, array(
			'_wiaas_standard_package',
		) );
	}

	/**
	 * Transform package json response with wiaas information
	 * @param $response
	 * @param $package
	 * @param $request
	 *
	 * @return mixed
	 */
	public static function transform_rest_package($response, $package, $request) {
		$data = $response->get_data();

		$data = self::_append_package_prices($data, $package, $request);

		$data = self::_append_grouped_products($data, $package, $request);

		$response->set_data($data);

		return $response;
	}

	private static function _append_grouped_products($data, $package, $request) {

		$data['additional_packages'] = array();
		$addons = Wiaas_Package_Addon::get_package_addons($package);
		foreach ($addons as $addon) {
			$data['additional_packages'][] = array(
				'id' => $addon->get_id(),
				'name' => $addon->get_name(),
				'description' => $addon->get_description(),
				'prices' => array_values(Wiaas_Package_Pricing::get_package_prices($addon))
			);
		}

		$data['groups'] = array();
		$option_groups = Wiaas_Package_Option_Groups::get_package_option_groups($package);
		foreach ($option_groups as $option_group) {
			$data['groups'][$option_group['id']] = array(
				'id' => $option_group['id'],
				'name' => $option_group['name'],
				'options' => array()
			);
			foreach ($option_group['options'] as $option_package) {
				$data['groups'][$option_group['id']]['options'][] = array(
					'id' => $option_package->get_id(),
					'name' => $option_package->get_name(),
					'description' => $option_package->get_description(),
					'default' => 0,
					'prices' => array_values(Wiaas_Package_Pricing::get_package_prices($option_package))
				);
			}
		}

		return $data;
	}

	/**
	 * Append configured package prices on package json response
	 * @param $data
	 * @param $package
	 * @param $request
	 *
	 * @return mixed
	 */
	private static function _append_package_prices($data, $package, $request) {
		$package_prices = array_values(Wiaas_Package_Pricing::get_package_prices($package));

		$data['prices'] = $package_prices;

		return $data;
	}
}

Wiaas_Package::init();