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

declare(strict_types=1);

namespace App\Service\Api\Coupon;

use App\Constants\Common\CouponCode;
use App\Exception\ErrException;
use App\Extend\DateUtil;
use App\Model\CouponDispenseLog;
use App\Model\CouponDispenseUser;
use App\Model\UserCoupon;
use App\Service\Api\BaseService;
use Hyperf\DbConnection\Db;
use Hyperf\Di\Annotation\Inject;

class HomePopupsService extends BaseService
{
    /**
     * @var CouponDispenseUser
     */
    #[Inject]
    protected CouponDispenseUser $couponDispenseUserModel;

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

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

    /**
     * @return array
     */
    public function handle(): array
    {
        $dispenseIds = $this->couponDispenseUserModel->getNoReceiveCountByUserId($this->userId);

        $data = $this->couponDispenseLogModel->getNoReceiveCount();
        if (empty($dispenseIds) && empty($data['all']) && empty($data['appoint'])) return $this->returnNullRes();

        $allDispenseIds = [];
        if (!empty($data['all'])) {
            $allDispenseIds = $this->userCouponModel->getReceiveCountByUserIds($this->userId,$data['all']);
        }

        $canReceive = array_unique(array_merge(
            array_diff($data['all'], $allDispenseIds),
            array_intersect($dispenseIds,$data['appoint'])
        ));

        if (empty($canReceive)) return $this->returnNullRes();

        $res = $this->receive($canReceive);

        return $this->return->success('success',['coupon_data' => $res]);
    }

    /**
     * @param array $data
     * @return array
     */
    private function receive(array $data): array
    {
        $list = $this->couponDispenseLogModel->getListByIds($data);
        if (empty($list)) return [];

        $insertData = [];
        $appointUpdateData = [];
        $allUpdateData =[];
        $destroyDispenseData = [];

        $resCouponData = [];

        foreach ($list as $item) {
            $validityTime = [];
            switch ($item['validity_time_type']) {
                case CouponCode::VALIDITY_TIME_TYPE_CYCLE:
                    $validityValue = json_decode($item['validity_time_value'],true);
                    $validityTime = [
                        'start_time' => date('Y-m-d H:i:s'),
                        'end_time' => date('Y-m-d H:i:s', time() + ($validityValue['day_num'] * DateUtil::DAY))
                    ];
                    break;
                case CouponCode::VALIDITY_TIME_TYPE_FIX:
                    $validityTime = json_decode($item['validity_time_value'],true);
                    break;
            }

            //有效期不存在或者到期销毁当前分发逻辑
            if (($validityTime['end_time'] ?? date('Y-m-d H:i:s')) < date('Y-m-d H:i:s')) {
                $destroyDispenseData[] = $item['id'];
                continue;
            }

            $oneData = [
                'user_id' => $this->userId,
                'coupon_template_id' => $item['coupon_template_id'],
                'coupon_name' => $item['coupon_name'],
                'coupon_dispense_id' => $item['id'],
                'status' => CouponCode::COUPON_STATUS_UNUSED,
                'validity_start_time' => $validityTime['start_time'] ?? date('Y-m-d H:i:s', time()),
                'validity_end_time' => $validityTime['end_time'] ?? date('Y-m-d H:i:s', time()),
            ];

            $copies = array_map(function () use ($oneData) {
                return $oneData;
            }, array_fill(0, $item['item_count'], null));
            $insertData = array_merge($insertData, $copies);

            $oneData['count'] = $item['item_count'];

            if ($item['appoint_group'] != CouponCode::DISPENSE_APPOINT_GROUP_ALL_PEOPLE) {
                $appointUpdateData[] = [
                    'coupon_dispense_id' => $item['id'],
//                    'user_id' => $this->userId,
                    'receive_count' => $item['receive_count'],
                    'is_receive' => CouponCode::DISPENSE_STATUS_IS_RECEIVED
                ];
            }

            $allUpdateData[] = [
                'id' => $item['id'],
                'receive_count' => $item['receive_count'] +$item['item_count'],
            ];

            $resCouponData[] = $oneData;
        }

        if (empty($allUpdateData)) return [];

        if (!empty($appointUpdateData)) {
            $appointList = $this->couponDispenseUserModel->where('user_id',$this->userId)->whereIn('id',array_column($appointUpdateData,'coupon_dispense_id'))->pluck('id','coupon_dispense_id');

            foreach ($appointUpdateData as &$item) {
                $item['id'] = $appointList[$item['coupon_dispense_id']];
            }
        }

        Db::transaction(function () use($allUpdateData,$appointUpdateData,$insertData,$destroyDispenseData) {
            $appointUpdateFlag = true;
            if (!empty($appointUpdateData)) {
                $userUpdateModel = new CouponDispenseUser();
                foreach (array_chunk($appointUpdateData, 500) as $chunk) {
                    foreach ($chunk as $item) {
                        $appointUpdateFlag = $userUpdateModel
                            ->where('id',$item['id'])
                            ->update(array_diff_key($item, ['coupon_dispense_id' => null,'id' => null]));
                        if (!$appointUpdateFlag) break;
                    }
                    if (!$appointUpdateFlag) break;
                }
//                $appointUpdateFlag = (new CouponDispenseUser)->update($appointUpdateData);
            }

            $destroyDispenseFlag = true;
            if (!empty($destroyDispenseData)) {
                $destroyDispenseFlag = (new CouponDispenseLog)->whereIn('id',$destroyDispenseData)->update([
                    'status' => CouponCode::DISPENSE_NULL,
                ]);
            }

//            $allUpdateFlag = (new CouponDispenseLog)->update($allUpdateData);
            $allUpdateFlag = true;
            $updateModel = new CouponDispenseLog();
            foreach (array_chunk($allUpdateData, 500) as $chunk) {
                foreach ($chunk as $item) {
                    $allUpdateFlag = $updateModel->where('id',$item['id'])->update(array_diff_key($item, ['id' => null]));
                    if (!$allUpdateFlag) break;
                }
                if (!$allUpdateFlag) break;
            }

            $insertFlag = (new UserCoupon)->insert($insertData);

            if (!$allUpdateFlag || !$appointUpdateFlag || !$insertFlag || !$destroyDispenseFlag) throw new ErrException('领取失败');
        });

        return $resCouponData;
    }

    private function returnNullRes(): array
    {
        return $this->return->success();
    }
}