<?php

require_once plugin_dir_path(__FILE__) . 'PolkurierAPI.php';


/**
 * Class Polkurier_OrderStatusUpdater
 */
class PolkurierOrderStatusUpdater
{

    /**
     * Co ile sekund sprawdzać status
     * @var int
     */
    private static $UPDATE_STATUS_INTERVAL = 1440; // 4H

    /**
     * Przez ile dni po utworzeniu zamówienia sprawdzać status
     * @var int
     */
    private static $UPDATE_STATUS_DAYS = 21;

    /**
     * @var \Polkurier\ApiClient
     */
    private $api;


    public function __construct()
    {
        $this->api = new \Polkurier\ApiClient(get_option('polkurier_account_id'), get_option('polkurier_apikey'));
    }


    /**
     * @param PolkurierOrder $polkurierOrder
     * @return bool
     * @throws Exception
     */
    public function shouldUpdateOrderStatus($polkurierOrder)
    {
        $lastStatusUpdateTime = (int)$polkurierOrder->lastStatusUpdateTime;
        $dateTo = (clone $polkurierOrder->getDateCreated());
        $dateTo->add(new DateInterval('P' . self::$UPDATE_STATUS_DAYS . 'D'));
        return
            !empty($polkurierOrder['order_number']) &&
            $lastStatusUpdateTime + self::$UPDATE_STATUS_INTERVAL < time() &&
            $dateTo >= new DateTime() &&
            in_array((string)$polkurierOrder->status_code, array('', 'O', 'OC', 'P', 'WP', 'PZ', 'Z'))
        ;
    }


    /**
     * @param PolkurierOrder $polkurierOrder
     * @throws \Polkurier\Exception\ApiException
     */
    public function updateOrderStatus($polkurierOrder)
    {
        if (!empty($polkurierOrder['order_number'])) {
            try {
                $polkurierStatus = $this->api->getStatus($polkurierOrder['order_number']);
                if (!empty($polkurierStatus)) {
                    $polkurierOrder->status = $polkurierStatus['status'];
                    $polkurierOrder->status_code = $polkurierStatus['status_code'];
                    $polkurierOrder->status_date = isset($polkurierStatus['status_date']) ? $polkurierStatus['status_date'] : null;
                    $polkurierOrder->delivered_date = $polkurierOrder->params['status_code'] === 'D' ? $polkurierStatus['delivered_date'] : '';
                    $polkurierOrder->lastStatusUpdateSuccess = true;
                } else {
                    $polkurierOrder->lastStatusUpdateSuccess = false;
                }
                $polkurierOrder->lastStatusUpdateTime = time();
                $polkurierOrder->save();
            } catch (Exception $e) {
            }
        }
    }


    /**
     * Aktualizuje wszystkie statusy
     */
    public function updateAllOrdersStatuses()
    {
        $orders = PolkurierOrder::getAll(["status_code IN ('', 'O', 'OC', 'P', 'WP', 'PZ', 'Z')" => null]);
        foreach ($orders as $order) {
            $this->updateOrderStatus($order);
        }
    }

}