<?php
/**
 * This service file is part of item.
 *
 * @author   ctexthuang
 * @contact  ctexthuang@qq.com
 */

declare(strict_types=1);

namespace App\Service\Api\Order;

use App\Cache\Redis\Api\ApiRedisKey;
use App\Cache\Redis\Api\GoodCache;
use App\Cache\Redis\RedisCache;
use App\Constants\ApiCode;
use App\Exception\ErrException;
use App\Service\Api\BaseService;
use App\Service\ServiceTrait\Api\OrderTrait;
use App\Service\ServiceTrait\Common\CycleTrait;
use Hyperf\Di\Annotation\Inject;
use Psr\Container\ContainerExceptionInterface;
use Psr\Container\NotFoundExceptionInterface;
use function Hyperf\Config\config;

class CheckCartService extends BaseService
{
    use CycleTrait,OrderTrait;

    /**
     * @var int 周期id
     */
    private int $cycleId;

    /**
     * @var array
     */
    private array $goodIds = [];

    /**
     * @var string 库存key
     */
    private string $stockKey;

    /**
     * @var RedisCache $redis
     */
    #[Inject]
    protected RedisCache $redis;

    /**
     * @var array
     */
    private array $cartSecondData;

    /**
     * @var array
     */
    private array $cartFirstData;

    /**
     * @var int
     */
    private int $copies;

    /**
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     */
    public function __construct()
    {
        parent::__construct();
        $this->cycleId = (int)$this->initTodayCycleId();
        $this->cartFirstData = [];
        $this->cartSecondData = [];
        $this->copies = 0;
    }

    /**
     * @return array
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     */
    public function handle(): array
    {
        throw new ErrException(ApiCode::getMessage(ApiCode::LOGIN_ERROR),ApiCode::LOGIN_ERROR);
        $kitchenId = (int)$this->request->input('kitchen_id');

        $this->getGoodInfo($kitchenId);

        $this->buildCartData(json_decode($this->request->input('cart'), true));

        $this->checkGood($this->goodIds);

        $this->checkStock();

        $this->return->success();
    }

    /**
     * 获取商品信息
     * @param int $kitchenId
     * @return void
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     */
    private function getGoodInfo(int $kitchenId): void
    {
        $this->stockKey = ApiRedisKey::goodStockKey($this->cycleId,$kitchenId);
        $mealGoodKey = ApiRedisKey::mealGoodListKey($this->cycleId,$kitchenId);
        $optionalGoodKey = ApiRedisKey::optionalGoodListKey($this->cycleId,$kitchenId);

        $mealGood = $this->redis->get($mealGoodKey);
        $optionalGood = $this->redis->get($optionalGoodKey);

        if (empty($mealGood) || empty($optionalGood)) throw new ErrException('商品不存在');

        if ($this->redis->exists($this->stockKey)) throw new ErrException('库存不足');

        $mealGood = json_decode($mealGood, true);
        $optionalGood = json_decode($optionalGood, true);

        $this->goodIds = array_merge(array_column($mealGood, 'id'), array_column($optionalGood, 'id'));
    }
}