<?php

/**
 * This file contains QUI\ERP\Shipping\Rules\ShippingRule
 */

namespace QUI\ERP\Shipping\Rules;

use QUI;
use QUI\CRUD\Factory;
use QUI\Permissions\Permission;

use QUI\ERP\Areas\Utils as AreaUtils;
use QUI\ERP\Shipping\Exceptions\ShippingCanNotBeUsed;

/**
 * Class ShippingEntry
 * A user created shipping entry
 *
 * @package QUI\ERP\Shipping\Types
 */
class ShippingRule extends QUI\CRUD\Child
{
    /**
     * Shipping constructor.
     *
     * @param int $id
     * @param Factory $Factory
     */
    public function __construct($id, Factory $Factory)
    {
        parent::__construct($id, $Factory);

        $this->Events->addEvent('onDeleteBegin', function () {
            Permission::checkPermission('quiqqer.shipping.delete');

            // delete locale
            $id = $this->getId();

            QUI\Translator::delete('quiqqer/shipping', 'shipping.'.$id.'.rule.title');
            QUI\Translator::delete('quiqqer/shipping', 'shipping.'.$id.'.rule.workingTitle');
        });

        $this->Events->addEvent('onSaveBegin', function () {
            Permission::checkPermission('quiqqer.shipping.edit');
        });
    }

    /**
     * Return the payment as an array
     *
     * @return array
     */
    public function toArray()
    {
        $lg = 'quiqqer/shipping';
        $id = $this->getId();

        $attributes = $this->getAttributes();
        $Locale     = QUI::getLocale();

        try {
            $availableLanguages = QUI\Translator::getAvailableLanguages();
        } catch (QUI\Exception $Exception) {
            QUI\System\Log::writeException($Exception);
            $availableLanguages = [];
        }

        foreach ($availableLanguages as $language) {
            $attributes['title'][$language] = $Locale->getByLang(
                $language,
                $lg,
                'shipping.'.$id.'.rule.title'
            );

            $attributes['workingTitle'][$language] = $Locale->getByLang(
                $language,
                $lg,
                'shipping.'.$id.'.rule.workingTitle'
            );
        }

        return $attributes;
    }

    /**
     * is the user allowed to use this shipping
     *
     * @param QUI\Interfaces\Users\User $User
     * @return boolean
     */
    public function canUsedBy(QUI\Interfaces\Users\User $User)
    {
        if ($this->isActive() === false) {
            return false;
        }

        try {
            QUI::getEvents()->fireEvent('quiqqerShippingCanUsedBy', [$this, $User]);
        } catch (ShippingCanNotBeUsed $Exception) {
            return false;
        } catch (QUI\Exception $Exception) {
            QUI\System\Log::writeDebugException($Exception);

            return false;
        }


        // usage definitions / limits
        $dateFrom  = $this->getAttribute('date_from');
        $dateUntil = $this->getAttribute('date_until');
        $now       = \time();

        if ($dateFrom && \strtotime($dateFrom) > $now) {
            return false;
        }

        if ($dateUntil && \strtotime($dateUntil) < $now) {
            return false;
        }

        // assignment
        $userGroupValue = $this->getAttribute('user_groups');
        $areasValue     = $this->getAttribute('areas');

        // if groups and areas are empty, everybody is allowed
        if (empty($userGroupValue) && empty($areasValue)) {
            return true;
        }

        // not in area
        $areasValue = \explode(',', $areasValue);

        if (!empty($areasValue) && !AreaUtils::isUserInAreas($User, $areasValue)) {
            return false;
        }

        $userGroups = QUI\Utils\UserGroups::parseUsersGroupsString(
            $this->getAttribute('user_groups')
        );

        $discountUsers  = $userGroups['users'];
        $discountGroups = $userGroups['groups'];

        if (empty($discountUsers) && empty($discountGroups)) {
            return true;
        }

        // user checking
        foreach ($discountUsers as $uid) {
            if ($User->getId() == $uid) {
                return true;
            }
        }

        // group checking
        $groupsOfUser = $User->getGroups();

        /* @var $Group QUI\Groups\Group */
        foreach ($discountGroups as $gid) {
            foreach ($groupsOfUser as $Group) {
                if ($Group->getId() == $gid) {
                    return true;
                }
            }
        }

        return false;
    }

    /**
     * is the shipping allowed in the order?
     *
     * @param QUI\ERP\Order\OrderInterface $Order
     * @return bool
     */
    public function canUsedInOrder(QUI\ERP\Order\OrderInterface $Order)
    {
        try {
            QUI::getEvents()->fireEvent('shippingCanUsedInOrder', [$this, $Order]);
        } catch (ShippingCanNotBeUsed $Exception) {
            return false;
        } catch (QUI\Exception $Exception) {
            QUI\System\Log::addDebug($Exception->getMessage());

            return false;
        }

        return true;
    }

    // region activation / deactivation

    /**
     * Activate the shipping type
     *
     * @throws QUI\ExceptionStack|QUI\Exception
     */
    public function activate()
    {
        $this->setAttribute('active', 1);
        $this->update();
        $this->refresh();
    }

    /**
     * Is the shipping active?
     *
     * @return bool
     */
    public function isActive()
    {
        return !!$this->getAttribute('active');
    }

    /**
     * Deactivate the shipping type
     *
     * @throws QUI\ExceptionStack|QUI\Exception
     */
    public function deactivate()
    {
        $this->setAttribute('active', 0);
        $this->update();
        $this->refresh();
    }

    //endregion
}