<?php

namespace App\Service\ServiceTrait\Admin;

use App\Constants\Common\CouponCode;
use App\Constants\Common\OrderCode;
use Exception;

trait CouponDispenseTrait
{

    /**
     * @return void
     * @throws Exception
     */
    protected function getValueAndCheckDate(): void
    {
        if (empty($cycleId = $this->request->input('appoint_cycle_id'))) {
            throw new Exception('未选中点餐周期');
        }

        $cycleInfo = $this->cycleModel->getInfoById((int)$cycleId);

        if (empty($cycleInfo)) throw new Exception('未找到该点餐周期');

        $this->cycleId = $cycleInfo->id;

        $appointValue = $this->request->input('appoint_value');
//        if ($this->groupType == CouponCode::DISPENSE_APPOINT_GROUP_DESIGNATED_SITES_AND_GOODS) {
//            $this->appointValue = [
//                'site' => explode(',', $appointValue['site']),
//                'sku' => explode(',', $appointValue['goods'])
//            ];
//        } else {
//            $this->appointValue = explode(',', $this->request->input('appoint_value'));
//        }
//
        match ($this->groupType){
            CouponCode::DISPENSE_APPOINT_GROUP_DESIGNATED_USERS => $this->appointValue = explode(',', $appointValue['user_ids']),
            CouponCode::DISPENSE_APPOINT_GROUP_DESIGNATED_SITES => $this->appointValue = explode(',', $appointValue['site']),
            CouponCode::DISPENSE_APPOINT_GROUP_DESIGNATED_GOODS => $this->appointValue = explode(',', $appointValue['goods']),
            CouponCode::DISPENSE_APPOINT_GROUP_DESIGNATED_SITES_AND_GOODS => $this->appointValue = [
                'site' => explode(',', $appointValue['site']),
                'sku' => explode(',', $appointValue['goods'])
            ]
        };

        unset($cycleInfo);
    }

//    protected function getSiteAndGoodsValueAndCheckDate()
//    {
//
//    }

    /**
     * @return void
     * @throws Exception
     */
    protected function checkSite(): void
    {
        $siteCount = $this->siteModel->whereIn('id',$this->appointValue)->count();

        if ($siteCount != count($this->appointValue)) throw new Exception('请选择正确的站点');
    }

    /**
     * @return void
     * @throws Exception
     */
    protected function checkSku(): void
    {
        $skuCount = $this->skuModel->whereIn('id',$this->appointValue)->count();

        if ($skuCount!= count($this->appointValue)) throw new Exception('请选择正确的商品');
    }

    /**
     * @return array
     * @throws Exception
     */
    protected function getUserData(): array
    {
        $userIds = [];

        switch ($this->groupType) {
            case CouponCode::DISPENSE_APPOINT_GROUP_DESIGNATED_SITES:
                $userIds = $this->orderModel
                    ->where('cycle_id',$this->cycleId)
                    ->whereIn('site_id',$this->appointValue)
                    ->where('status',OrderCode::FINISH)
                    ->pluck('user_id')
                    ->toArray();

                break;
            case CouponCode::DISPENSE_APPOINT_GROUP_DESIGNATED_GOODS:
                $orderIds = $this->orderModel
                    ->where('cycle_id',$this->cycleId)
                    ->where('status',OrderCode::FINISH)
                    ->pluck('user_id','id')
                    ->toArray();

                if (empty($orderIds)) throw new Exception('未找到该周期的订单');

                $skuOrderIds = $this->orderGoodModel
                    ->whereIn('order_id',array_keys($orderIds))
                    ->whereIn('sku_id',$this->appointValue)
                    ->pluck('order_id')
                    ->toArray();
                $skuOrderIds = array_unique($skuOrderIds);

                // 将 $b 转为键数组，值无所谓（可以用 null 或任意值）
                $skuOrderIds_keys = array_flip($skuOrderIds);
                // 获取 $a 和 $b_keys 的交集
                $intersect = array_intersect_key($orderIds, $skuOrderIds_keys);
                // 提取值
                $userIds = array_values($intersect);

                break;
            case CouponCode::DISPENSE_APPOINT_GROUP_DESIGNATED_SITES_AND_GOODS:
                $orderIds = $this->orderModel
                    ->where('cycle_id',$this->cycleId)
                    ->whereIn('site_id',$this->appointValue['site'])
                    ->where('status',OrderCode::FINISH)
                    ->pluck('user_id','id')
                    ->toArray();

                if (empty($orderIds)) throw new Exception('未找到该周期该地点的订单');

                $skuOrderIds = $this->orderGoodModel
                    ->whereIn('order_id',array_keys($orderIds))
                    ->whereIn('sku_id',$this->appointValue['sku'])
                    ->pluck('order_id')
                    ->toArray();
                $skuOrderIds = array_unique($skuOrderIds);

                $skuOrderIds_keys = array_flip($skuOrderIds);
                $intersect = array_intersect_key($orderIds, $skuOrderIds_keys);
                $userIds = array_values($intersect);
                break;
        }

        return $userIds;
    }


    /**
     * @return array
     * @throws Exception
     */
    protected function handleDesignatedUsers(): array
    {
        $this->checkAppointValue();

        $appointValue = $this->request->input('appoint_value');

        return explode(',', $appointValue['user_ids']);
    }

    /**
     * @return array
     * @throws Exception
     */
    protected function handleDesignatedSitesAndGoods(): array
    {
        $this->checkAppointValue();

        $this->getValueAndCheckDate();

        $this->checkSite();

        $this->checkSku();

        return $this->getUserData();
    }

    /**
     * @return array
     * @throws Exception
     */
    protected function handleDesignatedSites(): array
    {
        $this->checkAppointValue();

        $this->getValueAndCheckDate();

        $this->checkSite();

        return $this->getUserData();
    }

    /**
     * @return array
     * @throws Exception
     */
    protected function handleDesignatedGoods(): array
    {
        $this->checkAppointValue();

        $this->getValueAndCheckDate();

        $this->checkSku();

        return $this->getUserData();
    }

    /**
     * @return void
     * @throws Exception
     */
    protected function checkAppointValue(): void
    {
        if ($this->claimRule != CouponCode::DISPENSE_CLAIM_RULE_POST_ACCOUNT) throw new Exception('该分发场景只能选择直发账户');

        if (empty($this->request->input('appoint_value'))) throw new Exception('请选择指定值');
    }
}