<?php

namespace Selection\Action;

use Propel\Runtime\ActiveQuery\ModelCriteria;
use Propel\Runtime\Connection\ConnectionInterface;
use Propel\Runtime\Propel;
use Selection\Event\SelectionEvent;
use Selection\Event\SelectionEvents;
use Selection\Model\Map\SelectionTableMap;
use Selection\Model\Selection;
use Selection\Model\SelectionContainerAssociatedSelection;
use Selection\Model\SelectionContainerAssociatedSelectionQuery;
use Selection\Model\SelectionQuery;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Thelia\Action\BaseAction;
use Thelia\Core\Event\UpdateSeoEvent;
use Thelia\Core\Event\UpdatePositionEvent;
use Selection\Model\Base\SelectionProductQuery;
use Thelia\Log\Tlog;
use Thelia\Model\ConfigQuery;
use Thelia\Model\RewritingUrlQuery;

class SelectionAction extends BaseAction implements EventSubscriberInterface
{
    /** @var EventDispatcherInterface */
    protected $eventDispatcher;

    /**
     * @param SelectionEvent $event
     * @throws \Exception
     */
    public function create(SelectionEvent $event)
    {
        $this->createOrUpdate($event, new Selection());
    }

    /**
     * @param SelectionEvent $event
     * @throws \Exception
     */
    public function update(SelectionEvent $event)
    {
        $model = $this->getSelection($event);

        $this->createOrUpdate($event, $model);
    }

    /**
     * @param UpdateSeoEvent $event
     * @param $eventName
     * @param EventDispatcherInterface $dispatcher
     * @return mixed
     */
    public function updateSeo(
        UpdateSeoEvent $event,
        /** @noinspection PhpUnusedParameterInspection  */
        $eventName,
        EventDispatcherInterface $dispatcher
    ) {
        return $this->genericUpdateSeo(SelectionQuery::create(), $event, $dispatcher);
    }

    /**
     * {@inheritDoc}
     */
    public function getRewrittenUrlViewName()
    {
        return 'selection';
    }

    /**
     * @param SelectionEvent $event
     * @throws \Propel\Runtime\Exception\PropelException
     */
    public function delete(SelectionEvent $event)
    {
        $this->getSelection($event)->delete();

        RewritingUrlQuery::create()
            ->filterByView($this->getRewrittenUrlViewName())
            ->filterByViewId($event->getId())
            ->update(array(
                "View" => ConfigQuery::getObsoleteRewrittenUrlView()
            ));
    }

    protected function getSelection(SelectionEvent $event)
    {
        $model = SelectionQuery::create()
            ->findPk($event->getId());

        if (null === $model) {
            throw new \RuntimeException(sprintf(
                "Selection id '%d' doesn't exist",
                $event->getId()
            ));
        }
        return $model;
    }

    /**
     * @param SelectionEvent $event
     * @param Selection $model
     * @throws \Exception
     */
    protected function createOrUpdate(SelectionEvent $event, Selection $model)
    {
        $con = Propel::getConnection(SelectionTableMap::DATABASE_NAME);
        $con->beginTransaction();
        try {
            if (null !== $locale = $event->getLocale()) {
                $model->setLocale($locale);
            }
            if (null !== $id = $event->getId()) {
                $model->setId($id);
            }

            if (null !== $code = $event->getCode()) {
                $model->setCode($code);
            }

            if (null !== $title = $event->getTitle()) {
                $model->setTitle($title);
            }

            if (null !== $chapo = $event->getChapo()) {
                $model->setChapo($chapo);
            }

            if (null !== $description = $event->getDescription()) {
                $model->setDescription($description);
            }

            if (null !== $postscriptum = $event->getPostscriptum()) {
                $model->setPostscriptum($postscriptum);
            }
            $model->save();

            $event->setSelection($model);

            $this->updateContainerAssociatedToSelection($event, $con);

            $con->commit();
        } catch (\Exception $e) {
            $con->rollBack();
            Tlog::getInstance()->error($e->getMessage());
            throw $e;
        }
    }

    /**
     * @param SelectionEvent $event
     * @param ConnectionInterface $con
     * @throws \Propel\Runtime\Exception\PropelException
     */
    protected function updateContainerAssociatedToSelection(SelectionEvent $event, ConnectionInterface $con)
    {
        $associationQuery = SelectionContainerAssociatedSelectionQuery::create();
        $association = $associationQuery->findOneBySelectionId($event->getId());
        $containerId = $event->getContainerId();
        if ($association === null) {
            if (empty($containerId)) {
                return;
            }
            $association = new SelectionContainerAssociatedSelection();
            $association->setSelectionId($event->getId());
        } else if ($association->getSelectionContainerId() === $containerId) {
            return;
        } else if (empty($containerId)) {
            $association->delete($con);
            return;
        }
        $association->setSelectionContainerId($containerId);
        $association->save($con);
    }

    /**
     * @param SelectionEvent $event
     * @throws \Propel\Runtime\Exception\PropelException
     */
    public function toggleVisibility(SelectionEvent $event)
    {
        $selection = $event->getSelection();

        $selection
            ->setVisible($selection->getVisible() ? false : true)
            ->save()
        ;

        $event->setSelection($selection);
    }/** @noinspection PhpUnusedParameterInspection */

    /**
     * Changes position, selecting absolute or relative change.
     *
     * @param UpdatePositionEvent $event
     * @param $eventName
     * @param EventDispatcherInterface $dispatcher
     */
    public function updateProductPosition(
        UpdatePositionEvent $event,
        /** @noinspection PhpUnusedParameterInspection  */
        $eventName,
        /** @noinspection PhpUnusedParameterInspection  */
        EventDispatcherInterface $dispatcher
    ) {
        $this->genericUpdateDelegatePosition(
            SelectionProductQuery::create()
                ->filterByProductId($event->getObjectId())
                ->filterBySelectionId($event->getReferrerId()),
            $event
        );
    }

    /**
     * @param UpdatePositionEvent $event
     * @param $eventName
     * @param EventDispatcherInterface $dispatcher
     */
    public function updatePosition(
        UpdatePositionEvent $event,
        /** @noinspection PhpUnusedParameterInspection */
        $eventName,
        EventDispatcherInterface $dispatcher
    ) {
        $modelCriteria = SelectionQuery::create()->filterById($event->getObjectId());
        $this->genericUpdateDelegatePosition(
            $modelCriteria,
            $event,
            $dispatcher
        );
    }

    protected function genericUpdateDelegatePosition(
        ModelCriteria $query,
        UpdatePositionEvent $event,
        EventDispatcherInterface $dispatcher = null
    ) {

        if (null !== $object = $query->findOne()) {
            if (!isset(class_uses($object)['Thelia\Model\Tools\PositionManagementTrait'])) {
                throw new \InvalidArgumentException("Your model does not implement the PositionManagementTrait trait");
            }

            if (!is_null($dispatcher)) {
                $object->setDispatcher($dispatcher);
            }

            $mode = $event->getMode();

            if ($mode == UpdatePositionEvent::POSITION_ABSOLUTE) {
                $object->changeAbsolutePosition($event->getPosition());
            } elseif ($mode == UpdatePositionEvent::POSITION_UP) {
                $object->movePositionUp();
            } elseif ($mode == UpdatePositionEvent::POSITION_DOWN) {
                $object->movePositionDown();
            }
        }
    }

    public static function getSubscribedEvents()
    {
        return array(
            SelectionEvents::SELECTION_CREATE                   => array("create", 128),
            SelectionEvents::SELECTION_UPDATE                   => array("update", 128),
            SelectionEvents::SELECTION_DELETE                   => array("delete", 128),
            SelectionEvents::SELECTION_UPDATE_SEO               => array("updateSeo", 128),
            SelectionEvents::SELECTION_UPDATE_POSITION          => array("updatePosition", 128),
            SelectionEvents::SELECTION_TOGGLE_VISIBILITY        => array("toggleVisibility", 128),
            SelectionEvents::RELATED_PRODUCT_UPDATE_POSITION    => array("updateProductPosition", 128),
        );
    }
}