<?php

declare(strict_types=1);

namespace External\FlexiBeeBundle\Synchronizers;

use AbraFlexi\SkladovaKarta;
use KupShop\StoresBundle\Utils\StoresInStore;

class SupplySynchronizer extends BaseSynchronizer
{
    protected static string $type = 'supply';
    protected static ?string $evidenceClass = SkladovaKarta::class;

    private ?StoresInStore $storesInStore = null;

    /**
     * @required
     */
    public function setStoresInStore(?StoresInStore $storesInStore): void
    {
        $this->storesInStore = $storesInStore;
    }

    public function syncSingleItem(int $id, ?int $flexiId = null): void
    {
        $flexiId ??= $this->flexiBeeUtil->getProductFlexiId($id);

        if (!$flexiId) {
            return;
        }

        foreach ($this->flexiBeeApi->getStockCards(flexiProductIds: [$flexiId]) as $item) {
            $this->processItem($item);
        }
    }

    protected function process(?int $lastSyncTime = null): void
    {
        parent::process($lastSyncTime);

        $this->flexiBeeUtil->recalculateStores();
    }

    protected function getItems(?int $lastSyncTime = null): iterable
    {
        if ($this->mode === self::MODE_NORMAL) {
            return parent::getItems($lastSyncTime);
        }

        if ($this->mode === self::MODE_FULL) {
            return $this->flexiBeeApi->getStockCards();
        }

        return [];
    }

    protected function processItem(array $item): void
    {
        $flexiId = $this->flexiBeeUtil->getFlexiIdFromRef($item['cenik']->ref);

        // nemame product
        if (!($mapping = $this->flexiBeeUtil->getItemMapping($flexiId))) {
            return;
        }

        [$productId, $variationId] = $mapping;

        // najdu ID skladu
        $storeId = $this->getStoreId(
            $this->flexiBeeUtil->getFlexiIdFromRef($item['sklad']->ref)
        );

        // pokud nemam ID skladu, tak ten sklad pravdepodobne nesynchronizujeme, takze muzu ignorovat
        if (!$storeId) {
            return;
        }

        // aktualizuju sklad produktu na danem skladu
        $this->storesInStore->updateStoreItem(
            [
                'id_store' => $storeId,
                'id_product' => $productId,
                'id_variation' => $variationId,
                // use floor so for example 0.5 is floored to 0
                'quantity' => floor((float) $item['dostupMj']),
            ],
            false
        );
    }

    protected function getStoreId(int $flexiId): ?int
    {
        static $storeIdCache = [];

        if ($storeIdCache[$flexiId] ?? false) {
            return $storeIdCache[$flexiId];
        }

        if (!($storeId = $this->flexiBeeUtil->getMapping(StoreSynchronizer::getType(), $flexiId))) {
            return null;
        }

        return $storeIdCache[$flexiId] = $storeId;
    }

    protected function getItemsFilter(): array
    {
        return ['ucetObdobi' => 'code:'.$this->flexiBeeApi->getCurrentAccountingPeriod()];
    }
}