<?php

/**
 * This File contains \QUI\ERP\Shipping\EventHandler
 */

namespace QUI\ERP\Shipping;

use QUI;
use QUI\ERP\Order\Controls\OrderProcess\Checkout as OrderCheckoutStepControl;
use QUI\ERP\Products\Handler\Fields as ProductFields;
use Quiqqer\Engine\Collector;

use function array_merge;
use function explode;
use function json_decode;
use function method_exists;

/**
 * Class EventHandler
 *
 * @package QUI\ERP\Shipping
 */
class EventHandler
{
    /**
     * event for on package setup
     *
     * @throws QUI\Exception
     */
    public static function onPackageSetup(QUI\Package\Package $Package)
    {
        if ($Package->getName() !== 'quiqqer/shipping') {
            return;
        }

        // Translations
        $languages     = QUI\Translator::getAvailableLanguages();
        $StatusFactory = QUI\ERP\Shipping\ShippingStatus\Factory::getInstance();

        // create locale
        $var    = 'message.no.rule.found.order.continue';
        $params = [
            'datatype' => 'php,js',
            'package'  => 'quiqqer/shipping'
        ];

        foreach ($languages as $language) {
            $params[$language] = QUI::getLocale()->getByLang(
                $language,
                'quiqqer/shipping',
                $var
            );
        }

        try {
            QUI\Translator::addUserVar('quiqqer/shipping', $var, $params);
        } catch (QUI\Exception $Exception) {
            QUI\System\Log::addNotice($Exception->getMessage());
        }

        // create locale
        $var    = 'message.no.rule.found.order.cancel';
        $params = [
            'datatype' => 'php,js',
            'package'  => 'quiqqer/shipping'
        ];

        foreach ($languages as $language) {
            $params[$language] = QUI::getLocale()->getByLang(
                $language,
                'quiqqer/shipping',
                $var
            );
        }

        try {
            QUI\Translator::addUserVar('quiqqer/shipping', $var, $params);
        } catch (QUI\Exception $Exception) {
            QUI\System\Log::addNotice($Exception->getMessage());
        }

        // create shipping order status
        $getLocaleTranslations = function ($key) use ($languages) {
            $result = [];

            foreach ($languages as $language) {
                $result[$language] = QUI::getLocale()->getByLang($language, 'quiqqer/order', $key);
            }

            return $result;
        };

        $Handler = QUI\ERP\Shipping\ShippingStatus\Handler::getInstance();
        $list    = $Handler->getList();

        if (empty($list)) {
            $StatusFactory->createShippingStatus(1, '#dbb50c', $getLocaleTranslations('processing.status.default.1'));
            $StatusFactory->createShippingStatus(2, '#418e73', $getLocaleTranslations('processing.status.default.2'));
            $StatusFactory->createShippingStatus(3, '#4fd500', $getLocaleTranslations('processing.status.default.3'));
        }

        // Product fields
        self::createProductFields();
    }

    /**
     * event : on admin load footer
     */
    public static function onAdminLoadFooter()
    {
        echo '<script src="' . URL_OPT_DIR . 'quiqqer/shipping/bin/backend/load.js"></script>';
    }

    /**
     * event - on price factor init
     *
     * @param $Basket
     * @param QUI\ERP\Order\AbstractOrder $Order
     * @param QUI\ERP\Products\Product\ProductList $Products
     */
    public static function onQuiqqerOrderBasketToOrderEnd(
        $Basket,
        QUI\ERP\Order\AbstractOrder $Order,
        QUI\ERP\Products\Product\ProductList $Products
    ) {
        if (Shipping::getInstance()->shippingDisabled()) {
            return;
        }

        $Shipping = $Order->getShipping();

        if (!$Shipping) {
            return;
        }

        if (!$Shipping->getPrice()) {
            return;
        }

        $PriceFactors = $Products->getPriceFactors();
        $PriceFactors->addToEnd($Shipping->toPriceFactor(null, $Order));

        try {
            $Products->recalculation();
        } catch (QUI\Exception $Exception) {
            QUI\System\Log::writeDebugException($Exception);
        }

        $Order->getArticles()->calc();

        if (method_exists($Order, 'save')) {
            $Order->save();
        }
    }

    /**
     * @param QUI\ERP\Accounting\Payments\Types\Payment $Payment
     * @param QUI\ERP\Order\OrderInterface $Order
     *
     * @throws QUI\ERP\Accounting\Payments\Exceptions\PaymentCanNotBeUsed
     */
    public static function onQuiqqerPaymentCanUsedInOrder(
        QUI\ERP\Accounting\Payments\Types\Payment $Payment,
        QUI\ERP\Order\OrderInterface $Order
    ) {
        if (Shipping::getInstance()->shippingDisabled()) {
            return;
        }

        $Shipping = $Order->getShipping();

        if (!$Shipping) {
            return;
        }

        $payments = $Shipping->getAttribute('payments');

        if (empty($payments)) {
            return;
        }

        $payments = explode(',', $payments);
        $Payments = QUI\ERP\Accounting\Payments\Payments::getInstance();

        foreach ($payments as $paymentId) {
            try {
                $ShippingPayment = $Payments->getPayment($paymentId);

                if ($ShippingPayment->getId() === $Payment->getId()) {
                    return;
                }
            } catch (QUI\Exception $Exception) {
                QUI\System\Log::writeDebugException($Exception);
            }
        }

        throw new QUI\ERP\Accounting\Payments\Exceptions\PaymentCanNotBeUsed(
            QUI::getLocale()->get('This Payment can not be used, because of the shipping rules')
        );
    }

    /**
     * @param Collector $Collector
     * @param $User
     * @param $Order
     */
    public static function onOrderProcessCustomerDataEnd(
        Collector $Collector,
        $User,
        $Address,
        $Order
    ) {
        if (Shipping::getInstance()->shippingDisabled()) {
            return;
        }

        $Control = new QUI\ERP\Shipping\Order\ShippingAddress([
            'User'  => $User,
            'Order' => $Order
        ]);

        $Collector->append($Control->create());
    }

    public static function onQuiqqerOrderOrderProcessCheckoutOutputBefore(
        OrderCheckoutStepControl $Checkout
    ) {
        if (Shipping::getInstance()->shippingDisabled()) {
            return;
        }

        $Order = $Checkout->getOrder();

        if (!$Order) {
            return;
        }

        if ($Order->hasDeliveryAddress()) {
            return;
        }

        $SessionUser = QUI::getUserBySession();
        $Customer    = $Order->getCustomer();

        if ($SessionUser->getId() !== $Customer->getId()) {
            return;
        }

        $addressId = $SessionUser->getAttribute('quiqqer.delivery.address');

        if ($addressId) {
            try {
                $DeliveryAddress = $Customer->getAddress($addressId);
                $Order->setDeliveryAddress($DeliveryAddress);
                $Order->save(QUI::getUsers()->getSystemUser());
            } catch (\Exception $Exception) {
            }
        }
    }

    /**
     * quiqqer/order: onQuiqqerOrderOrderProcessCheckoutOutput
     *
     * @param OrderCheckoutStepControl $Checkout
     * @param string $text
     * @return void
     */
    public static function onQuiqqerOrderOrderProcessCheckoutOutput(OrderCheckoutStepControl $Checkout, string $text)
    {
        if (Shipping::getInstance()->shippingDisabled()) {
            return;
        }

        $Order = $Checkout->getOrder();

        if (!$Order) {
            return;
        }

        $DeliveryAddress = $Order->getDeliveryAddress();

        if ($DeliveryAddress->getId() === 0) {
            $customerId = $Order->getCustomer()->getId();
            $Customer   = QUI::getUsers()->get($customerId);

            $deliveryAddressId = $Customer->getAttribute('quiqqer.delivery.address');

            if (!empty($deliveryAddressId)) {
                try {
                    $DeliveryAddress    = $Customer->getAddress($deliveryAddressId);
                    $ErpDeliveryAddress = new QUI\ERP\Address(
                        json_decode($DeliveryAddress->toJSON(), true),
                        $Order->getCustomer()
                    );

                    $Order->setDeliveryAddress($ErpDeliveryAddress);
                    $Order->save(QUI::getUsers()->getSystemUser());
                } catch (\Exception $Exception) {
                    QUI\System\Log::writeException($Exception);
                }
            }
        }
    }

    /**
     * @param QUI\ERP\Order\Controls\OrderProcess\CustomerData $CustomerData
     *
     * @throws QUI\Exception
     * @throws QUI\Permissions\Exception
     */
    public static function onQuiqqerOrderCustomerDataSave(
        QUI\ERP\Order\Controls\OrderProcess\CustomerData $CustomerData
    ) {
        if (Shipping::getInstance()->shippingDisabled()) {
            return;
        }

        if (!isset($_REQUEST['shipping-address'])) {
            return;
        }

        // save shipping address
        $Order    = $CustomerData->getOrder();
        $Customer = $Order->getCustomer();

        try {
            $User = QUI::getUsers()->get($Customer->getId());
        } catch (QUI\Exception $Exception) {
            $User = QUI::getUserBySession();
        }

        try {
            $Address = $User->getAddress($_REQUEST['shipping-address']);
        } catch (QUI\Exception $Exception) {
            $Order->clearAddressDelivery();
            $Order->save();

            return;
        }

        $ErpAddress = new QUI\ERP\Address(
            array_merge($Address->getAttributes(), ['id' => $Address->getId()])
        );

        $Order->setDeliveryAddress($ErpAddress);
        $Order->save();
    }

    /**
     * @param Collector $Collector
     * @param QUI\Users\User $User
     */
    public static function onFrontendUsersAddressTop(
        Collector $Collector,
        QUI\Users\User $User
    ) {
        if (Shipping::getInstance()->shippingDisabled()) {
            return;
        }

        $ShippingAddress = new QUI\ERP\Shipping\FrontendUsers\ShippingAddressSelect([
            'User' => $User
        ]);

        $Collector->append($ShippingAddress->create());
    }

    /**
     * @param QUI\Users\User $User
     */
    public static function onUserSaveBegin(QUI\Users\User $User)
    {
        if (Shipping::getInstance()->shippingDisabled()) {
            return;
        }

        $Request = QUI::getRequest()->request;

        $submit  = $Request->get('submit-shipping');
        $address = (int)$Request->get('shipping-address');

        if (isset($_REQUEST['step'])
            && $_REQUEST['step'] === 'Customer'
            && !empty($_REQUEST['shipping-address'])
        ) {
            $address = (int)$_REQUEST['shipping-address'];
        }

        if ($submit === false || !$address) {
            return;
        }

        try {
            $Address = $User->getAddress($address);
            $User->setAttribute('quiqqer.delivery.address', $Address->getId());
        } catch (QUI\Exception $Exception) {
            QUI\System\Log::writeDebugException($Exception);
        }

        if (isset($Address)) {
            QUI\ERP\Utils\User::setUserCurrentAddress($User, $Address);
        }
    }

    /**
     * event: onTemplateGetHeader
     * sets the uer current address
     */
    public static function onTemplateGetHeader()
    {
        $User      = QUI::getUserBySession();
        $addressId = $User->getAttribute('quiqqer.delivery.address');

        if (!$addressId) {
            return;
        }

        try {
            QUI\ERP\Utils\User::setUserCurrentAddress(
                $User,
                $User->getAddress($addressId)
            );
        } catch (QUI\Exception $Exception) {
        }
    }

    /**
     * Create all fixed product fields that quiqqer/shipping provides
     *
     * @return void
     * @throws QUI\Exception
     */
    protected static function createProductFields()
    {
        $fields = [
            Shipping::PRODUCT_FIELD_SHIPPING_TIME => [
                'title'    => [
                    'de' => 'Lieferzeit',
                    'en' => 'Delivery time'
                ],
                'type'     => Shipping::PRODUCT_FIELD_TYPE_SHIPPING_TIME,
                'public'   => true,
                'standard' => true
            ]
        ];

        $fieldsCreated = false;

        foreach ($fields as $fieldId => $field) {
            try {
                ProductFields::getField($fieldId);
                continue;
            } catch (\Exception $Exception) {
                // Field does not exist -> create it
            }

            try {
                ProductFields::createField([
                    'id'            => $fieldId,
                    'type'          => $field['type'],
                    'titles'        => $field['title'],
                    'workingtitles' => $field['title'],
                    'systemField'   => 0,
                    'standardField' => !empty($field['standard']) ? 1 : 0,
                    'publicField'   => !empty($field['public']) ? 1 : 0,
                    'options'       => !empty($field['options']) ? $field['options'] : null
                ]);
            } catch (\Exception $Exception) {
                QUI\System\Log::writeException($Exception);
                continue;
            }

            $fieldsCreated = true;
        }

        if ($fieldsCreated) {
            QUI\Translator::publish('quiqqer/products');
        }
    }

    /**
     * Create a shipping information button
     *
     * @param Collector $Collector
     * @param QUI\ERP\Products\Controls\Price $Price
     * @throws QUI\Exception
     */
    public static function onQuiqqerProductsPriceEnd(Collector $Collector, QUI\ERP\Products\Controls\Price $Price)
    {
        $Config             = QUI::getPackage('quiqqer/shipping')->getConfig();
        $enableShippingInfo = !!$Config->getValue('shipping', 'showShippingInfoAfterPrice');

        if (!$enableShippingInfo || !$Price->getAttribute('withVatText')) {
            return;
        }

        $Engine = QUI::getTemplateManager()->getEngine();
        $html   = $Engine->fetch(dirname(__FILE__) . '/templates/shippingInformation.html');

        $Collector->append($html);
    }

    /**
     * @param \QUI\ERP\Order\AbstractOrder $Order
     * @return void
     *
     * @throws \QUI\Exception
     */
    public static function onQuiqqerOrderShippingOnEmpty(QUI\ERP\Order\AbstractOrder $Order)
    {
        if (!QUI::isBackend()) {
            return;
        }

        $Config  = QUI::getPackage('quiqqer/shipping')->getConfig();
        $default = $Config->getValue('shipping', 'defaultShipping');
        $add     = $Config->getValue('shipping', 'addDefaultShipping');

        if (empty($add)) {
            return;
        }

        try {
            $Shipping = Shipping::getInstance()->getShippingEntry($default);
            $Order->setShipping($Shipping);
        } catch (QUI\Exception $Exception) {
        }
    }
}