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

declare(strict_types=1);

namespace App\Service\Amqp\Coupon;

use App\Amqp\Producer\WxSubMessageProducer;
use App\Constants\Common\CouponCode;
use App\Constants\Common\WxMiniCode;
use App\Lib\Log;
use App\Model\CouponDispenseLog;
use App\Model\CouponDispenseUser;
use App\Model\CouponTemplate;
use App\Model\UserCoupon;
use App\Service\ServiceTrait\Api\CouponTrait;
use Exception;
use Hyperf\Amqp\Producer;
use Hyperf\DbConnection\Db;
use Hyperf\Di\Annotation\Inject;
use Psr\Container\ContainerExceptionInterface;
use Psr\Container\NotFoundExceptionInterface;

class AutoDispenseService
{
    use CouponTrait;

    /**
     * @var CouponDispenseLog
     */
    #[Inject]
    protected CouponDispenseLog $couponDispenseLogModel;

    /**
     * @var CouponDispenseUser
     */
    #[Inject]
    protected CouponDispenseUser $couponDispenseUserModel;

    /**
     * @var UserCoupon
     */
    #[Inject]
    protected UserCoupon $userCouponModel;

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

    /**
     * @var Producer
     */
    #[Inject]
    protected Producer $producer;

    /**
     * @var Log
     */
    #[Inject]
    protected Log $log;

    /**
     * @var int
     */
    public int $couponDispenseId;

    /**
     * @var int
     */
    public int $userId;

    /**
     * @return void
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     * @throws Exception
     */
    public function handle(): void
    {
        $dispenseInfo = $this->couponDispenseLogModel->getInfoById($this->couponDispenseId);
        if (empty($dispenseInfo)) throw new Exception('分发记录不存在');

        $this->log->debug(json_encode($dispenseInfo->toArray()));

        $templateInfo = $this->couponTemplateModel->getInfoById($dispenseInfo->coupon_template_id);
        if (empty($templateInfo)) throw new Exception('优惠券模板不存在');

        $this->log->debug(json_encode($templateInfo->toArray()));

        $validityTime = $this->getValidityTime((int)$dispenseInfo->validity_time_type, $dispenseInfo->validity_time_value);
        //有效期不存在或者到期销毁当前分发逻辑
        if (empty($validityTime) || empty($validityTime['start_time']) || empty($validityTime['end_time']) || $validityTime['end_time'] < date('Y-m-d H:i:s')) {
            $dispenseInfo->status = CouponCode::DISPENSE_NULL;
            if (!$dispenseInfo->save()) throw new Exception('修改分发记录状态失败');
            throw new Exception('该分发逻辑已失效');
        }

        $this->log->debug(json_encode($validityTime));

        $userDispenseInfo = $this->couponDispenseUserModel->getInfoByDispenseIdAndUserId($this->couponDispenseId,$this->userId);
        if (empty($userDispenseInfo)) throw new Exception('该用户不属于该分发逻辑');

        $this->log->debug(json_encode($userDispenseInfo));

        $userCount = $this->userCouponModel->where('coupon_dispense_id',$this->couponDispenseId)->where('user_id',$this->userId)->count() ?? 0;
        if ($userCount >= $dispenseInfo->item_count) throw new Exception('该用户该分发逻辑已分发完毕');

        // 数据
        $oneData = [
            'user_id' => $this->userId,
            'coupon_template_id' => $dispenseInfo->coupon_template_id,
            'coupon_name' => $dispenseInfo->coupon_name,
            'coupon_dispense_id' => $dispenseInfo->id,
            'status' => CouponCode::COUPON_STATUS_UNUSED,
            'validity_start_time' => $validityTime['start_time'],
            'validity_end_time' => $validityTime['end_time'],
        ];

        $insertData = array_map(function () use ($oneData) {
            return $oneData;
        }, array_fill(0, $dispenseInfo->item_count - $userCount, null));

        Db::transaction(function () use ($insertData,$dispenseInfo,$userDispenseInfo) {
            // 添加优惠券信息
            if (!(new UserCoupon())->insert($insertData)) throw new Exception('写入数据失败');

            // 修改分发用户信息
            $userDispenseInfo->receive_count = $userDispenseInfo->receive_count + count($insertData);
            $userDispenseInfo->is_receive = CouponCode::DISPENSE_STATUS_IS_RECEIVED;
            if (!$userDispenseInfo->save()) throw new Exception('修改分发用户信息失败');

            //修改分发 log 信息  (修改receive_count = origin_value + count($insertData)  ps : 查询还没发的用户 * item_count / total_count = 完成百分比)
            $dispenseInfo->receive_count = $dispenseInfo->receive_count + count($insertData);
            if (!$dispenseInfo->save()) throw new Exception('修改分发log信息失败');
        });

        $nominalValue = match ($templateInfo->coupon_type) {
            CouponCode::COUPON_TYPE_INSTANT_REDUCTION => $templateInfo->amount.'元',
            CouponCode::COUPON_TYPE_DISCOUNT => ($templateInfo->ratio * 10).'%',
        };

        foreach ($insertData as $item) {
            $msgData = [
                'thing2' => ['value' => $dispenseInfo->coupon_name],
                'thing9' => ['value' => $nominalValue],
                'thing8' => ['value' => $validityTime['start_time'].'/'.$validityTime['end_time']],
                'thing4' => ['value' => 'xxx'],
            ];

            $message = new WxSubMessageProducer([
                'type' => WxMiniCode::SEND_MSG_TYPE_GET_COUPON,
                'user_id' => $this->userId,
                'data' => $msgData,
                'page' => null
            ]);
            $this->producer->produce($message);
        }
    }
}