<?php

/**
 * Class Wiaas_Order
 *
 * Integrates Woocommerce order with Wiaas order
 */

class Wiaas_Order {

	private static $object_order_type = 'shop_order';

	private static $wiaas_order_status = array(

	);

	public static function init() {
		add_filter('woocommerce_rest_prepare_shop_order_object', array(__CLASS__, 'transform_rest_order'), 10, 3);

		add_action('woocommerce_new_order', array( __CLASS__, 'assign_order_to_organization' ));

		add_filter('woocommerce_rest_check_permissions', array( __CLASS__, 'check_order_access'), 10, 4);
	}


	/**
	 * Checks if current user has access to requested order/{orderId} via woocommerce REST API.
	 * Endpoint `/orders` is filtered correctly by groups, but endpoint `/orders/{orderId}` will return order even if
	 * user does not have access to it.
	 * Groups has general support for this using rest_prepare_{$post_type} but woocommerce api does not
	 * use this filter anymore. So we will just call the same function just with woocommerce filter.
	 *
	 * @param $permission
	 * @param $context
	 * @param $object_id
	 * @param $post_type
	 * @return bool
	 */
	public static function check_order_access($permission, $context, $object_id, $post_type) {
		if ($post_type === 'shop_order' && $object_id !== 0) {
			return Groups_Post_Access::user_can_read_post($object_id);
		}
		#return Groups_Post_Access::user_can_read_post($object_id);
		return $permission;
	}

	/**
	 * Assignees order to corresponding user organization when order is created.
	 *
	 * @param $order_id
	 */
	public static function assign_order_to_organization($order_id) {
		$user = wp_get_current_user();
		Wiaas_User_Organization::assign_post_to_user_organization($order_id, $user->ID);
	}

	/**
	 * Apply wiaas custome tranformation on retrieved JSON order object
	 *
	 * @param $response
	 * @param $order
	 * @param $request
	 *
	 * @return mixed
	 */
	public static function transform_rest_order($response, $order, $request) {
		$data = $response->get_data();

		$is_customer = wcj_is_user_role('customer');

		if ($is_customer || true) {
			// Format date values.
			$data['date_created'] = self::_format_order_date($order->get_date_created());
			$data['date_modified'] = self::_format_order_date($order->get_date_modified());
			$data['date_completed'] = self::_format_order_date($order->get_date_completed());
		}

		# apply overrides
		$data = self::_append_products_info($data, $order, $request);

		$data = self::_append_order_process($data, $order, $request);

		$data = self::_append_customer_info($data, $order, $request);

		$data = self::_append_commercial_lead_info($data, $order, $request);

		$response->set_data($data);

		return $response;
	}

	private static function _append_commercial_lead_info($data, $order, $request) {

		$data['commercial_lead'] = array(
			'name' => 'Coor Service Management',
			'phone' => '123456789',
			'email' => 'rikard@co-ideation.com'
		);

		return $data;
	}

	private static function _append_customer_info($data, $order, $request) {

		$customer_id = $data['customer_id'];

		$customer_user = get_user_by('id', $customer_id);
		$data['customer'] = array(
			'email' => $customer_user->user_email,
			'name' => $customer_user->display_name,
			'phone' => get_user_meta($customer_id, 'wiaas_customer_phone', true)
		);

		return $data;
	}

	private static function _append_products_info($data, $order, $request) {
		foreach ($data['line_items'] as $index => $product_line) {
			# lock all products to `Purchase` payment type
			$product_line['payment_type'] = 'Purchase';

			# lock all products to have no service
			$product_line['service_price'] = 0;
			$product_line['service_contract_period'] = 0;
			$product_line['max_contract_period'] = 36;
			$product_line['period_unit'] = 'month';

			# simplify payment for all products
			$product_line['recurring_price'] = 0;
			$product_line['pay_period'] = 0;

			# collect status from  order
			$product_line['status'] = $data['status'];
			$product_line['short_desc'] = $product_line['status'];

			# collect completion data from order
			$product_line['date_completed'] = $data['date_completed'];

			$data['line_items'][$index] = $product_line;
		}
		return $data;
	}

	/**
	 * Append order delivery process info if single order is requested
	 * @param $data
	 * @param $order
	 * @param $request
	 *
	 * @return mixed
	 */
	private static function _append_order_process($data, $order, $request) {

		# if this is response to `/order/[id]`
		if (isset($request['id'])) {
			$data['delivery-process'] = Wiaas_Delivery_Process::get_order_delivery_process($order->get_id());
		}

		return $data;
	}

	private static function _format_order_date($date) {
		$date = new WC_DateTime( $date, new DateTimeZone( 'UTC' ) );
		$date->setTimezone( new DateTimeZone( wc_timezone_string() ) );
		return gmdate('jS F, Y', $date->getTimestamp());
	}
}

Wiaas_Order::init();