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

declare(strict_types=1);

namespace App\Service\Admin\Coupon;

use App\Amqp\Producer\CouponAutoDispenseProducer;
use App\Constants\Common\CouponCode;
use App\Exception\ErrException;
use App\Model\CouponDispenseLog;
use App\Model\CouponDispenseUser;
use App\Model\CouponTemplate;
use App\Model\Cycle;
use App\Model\Order;
use App\Model\OrderGood;
use App\Model\Site;
use App\Model\Sku;
use App\Service\Admin\BaseService;
use App\Service\ServiceTrait\Admin\CouponDispenseTrait;
use Exception;
use Hyperf\Amqp\Producer;
use Hyperf\Context\ApplicationContext;
use Hyperf\DbConnection\Db;
use Hyperf\Di\Annotation\Inject;
use Psr\Container\ContainerExceptionInterface;
use Psr\Container\NotFoundExceptionInterface;

class DispenseAddService extends BaseService
{
    use CouponDispenseTrait;

    /**
     * @var Order
     */
    #[Inject]
    protected Order $orderModel;

    /**
     * @var Sku
     */
    #[Inject]
    protected Sku $skuModel;

    /**
     * @var OrderGood
     */
    #[Inject]
    protected OrderGood $orderGoodModel;

    /**
     * @var Site
     */
    #[Inject]
    protected Site $siteModel;

    /**
     * @var Cycle
     */
    #[Inject]
    protected Cycle $cycleModel;

    /**
     * @var CouponTemplate
     */
    #[Inject]
    protected CouponTemplate $couponTemplateModel;

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

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

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

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

    /**
     * @var mixed
     */
    private mixed $couponTemplateInfo;

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

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

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


    /**
     * @return array
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     */
    public function handle(): array
    {
        try {
            $this->userIds = $this->beneficiary();

            $this->checkCouponTemplate();

            $this->checkClaimRuleData();

            Db::transaction(function () {
                $this->dispenseId = $this->addMasterTableInformation();

                $this->addSubTableInformation($this->dispenseId);
            });

            if ($this->claimRule == CouponCode::DISPENSE_CLAIM_RULE_POST_ACCOUNT) {
                //mq发放优惠券
                $message = new CouponAutoDispenseProducer([
                    'coupon_dispense_id' => $this->dispenseId,
                ]);
                $producer = ApplicationContext::getContainer()->get(Producer::class);
                $producer->produce($message);
            }

            return $this->return->success();
        }catch (Exception $e) {
            throw new ErrException($e->getMessage());
        }
    }

    /**
     * @param int $dispenseId
     * @return void
     * @throws Exception
     */
    private function addSubTableInformation(int $dispenseId): void
    {
        if ($this->groupType == CouponCode::DISPENSE_APPOINT_GROUP_ALL_PEOPLE) return;

        if ($this->claimRule == CouponCode::DISPENSE_CLAIM_RULE_SINGLE_PAGE) return;

        if (empty($this->userIds)) return;

        $insertData = [];
        foreach ($this->userIds as $userId) {
            $insertData[] = [
                'coupon_dispense_id' => $dispenseId,
                'user_id' => $userId,
                'total_count' => $this->itemCount,
                'create_time' => date('Y-m-d H:i:s'),
            ];
        }

        if (empty($insertData)) throw new Exception('添加失败');

        if (!((new CouponDispenseUser)->insert($insertData))) throw new Exception('添加失败');
    }

    /**
     * @return int
     * @throws Exception
     */
    private function addMasterTableInformation(): int
    {
        $insertModel = new CouponDispenseLog();

        $insertModel->title = $this->request->input('title',date('Ymd').'分发优惠券');
        $insertModel->coupon_name = $this->request->input('coupon_name', $this->couponTemplateInfo->name);
        $insertModel->coupon_template_id = $this->couponTemplateInfo->id;
        $insertModel->total_count = $this->request->input('total_count',count($this->userIds) * $this->itemCount);
        $insertModel->receive_count = 0;
        $insertModel->item_count = $this->itemCount;
        $insertModel->appoint_group = $this->groupType;
        $insertModel->claim_rule = $this->claimRule;
        $insertModel->claim_value = $this->request->input('claim_value');
        $insertModel->appoint_value = !empty($this->appointValue) ? json_encode($this->appointValue) : null;
        $insertModel->validity_time_type = $this->request->input('validity_time_type');
        $insertModel->validity_time_value = json_encode($this->request->input('validity_time_value'));
        $insertModel->remark = $this->request->input('remark');

        if (!$insertModel->save()) throw new Exception('添加分发记录失败');

        return $insertModel->id;
    }

    /**
     * @return void
     * @throws Exception
     */
    private function checkClaimRuleData(): void
    {
        $this->claimRule = (int)$this->request->input('claim_rule',CouponCode::DISPENSE_CLAIM_RULE_HOME_POPUPS);
        if ($this->claimRule == CouponCode::DISPENSE_CLAIM_RULE_SINGLE_PAGE && empty($this->request->input('claim_value'))) {
            throw new Exception('单页请输入路径');
        }
    }

    /**
     * @return void
     * @throws Exception
     */
    private function checkCouponTemplate(): void
    {
        $this->couponTemplateInfo = $this->couponTemplateModel->getInfoById((int)$this->request->input('coupon_template_id'));
        $this->itemCount = (int)$this->request->input('item_count',1);

        if (empty($this->couponTemplateInfo)) throw new Exception('未找到该优惠券模板');

        if ($this->couponTemplateInfo->status == CouponCode::COUPON_TEMPLATE_STATUS_ENABLE) throw new Exception('该优惠券模板已被禁用');
    }

    /**
     * @return array
     * @throws Exception
     */
    private function beneficiary(): array
    {
        return match ($this->groupType = (int)$this->request->input('appoint_group',CouponCode::DISPENSE_APPOINT_GROUP_ALL_PEOPLE))
        {
            CouponCode::DISPENSE_APPOINT_GROUP_DESIGNATED_USERS => $this->handleDesignatedUsers(),
            CouponCode::DISPENSE_APPOINT_GROUP_DESIGNATED_SITES => $this->handleDesignatedSites(),
            CouponCode::DISPENSE_APPOINT_GROUP_DESIGNATED_GOODS => $this->handleDesignatedGoods(),
            CouponCode::DISPENSE_APPOINT_GROUP_DESIGNATED_SITES_AND_GOODS => $this->handleDesignatedSitesAndGoods(),
            default => []
        };
    }

}