<?php

namespace App\Services\Admin;

use DB;
use App\Models\Activity;
use App\Models\Filters\ActivityFilter;
use Illuminate\Support\Arr;
use App\Traits\UploadTrait;

/**
 * @method Activity getModel()
 * @method Activity|\Illuminate\Database\Query\Builder query()
 */
class ActivityService extends BaseService
{
    use UploadTrait;

    protected string $modelName = Activity::class;

    protected string $modelFilterName = ActivityFilter::class;

    protected bool $modelSortAble = true;

    protected array $withRelationshipsCount = ['logs'];

    public function store($data): bool
    {
        $columns = $this->getTableColumns();
        $model   = $this->getModel();
        $data['cover'] = $this->saveImage('cover', 'activities/cover')[0] ?? '';
        $data['share_image'] = $this->saveImage('share_image', 'activities/share_image')[0] ?? '';

        foreach ($data as $k => $v) {
            if (!in_array($k, $columns)) {
                continue;
            }

            $model->setAttribute($k, $v);
        }

        return $model->save();
    }

    public function update($primaryKey, $data): bool
    {
        $columns = $this->getTableColumns();
        $model   = $this->query()->whereKey($primaryKey)->first();
        if(isset($data['cover'])){
            $data['cover'] = $this->saveImage('cover', 'activities/cover')[0] ?? '';
        } 
        if(isset($data['share_image'])){
            $data['share_image'] = $this->saveImage('share_image', 'activities/share_image')[0] ?? '';
        }

        foreach ($data as $k => $v) {
            if (!in_array($k, $columns)) {
                continue;
            }

            $model->setAttribute($k, $v);
        }

        return $model->save();
    }

    
    public function delete(string $ids): mixed
    {
        $ids = explode(',', $ids);
        //判断活动未发布，才可删除
        if($this->query()->whereIn('id', $ids)->where('state', '<>', 0)->exists()){
            $this->setError('已发布活动不能删除');
        }
        return $this->query()->whereIn('id', $ids)->delete();
    }

    public function finishActivity(Activity $activity)
    {
        try{
            DB::beginTransaction();
            //更新活动状态；
            $activity->update(['state' => 2]);
            //获取活动奖品；
            $activityGifts = $activity->gifts()->sort()->get();
            //获取当前排名；
            $activityRanklist = $activity->logs()->sort()->get();
            //组装获奖名单，并批量插入；
            $userGifts = $userIds = [];
            foreach($activityGifts as $gift){
                $_userGift = [
                    'user_id' => $activityRanklist->get($gift->rank -1)?->user_id ?? 0,
                    'activity_id' => $activity->id,
                    'gift_id' => $gift->id,
                    'created_at' => now(),
                    'updated_at' => now(),
                ];
                if($_userGift['user_id']){
                    $userGifts[] = $_userGift;
                    $userIds[] = $_userGift['user_id'];
                }
            }
            if(count($userGifts) > 0){
                DB::table('user_gifts')->insert($userGifts);
            }
            //更新活动记录；
            $activity->logs()->whereIn('user_id', $userIds)->update([
                'has_gift' => 1
            ]);
            
            DB::commit();
        }catch(Throwable $th){
            DB::rollBack();
            report($th);
            return $this->setError('系统错误，请刷新后重试');
        }
        
        return true;
    }
}