<?php
namespace app\common\model;

use think\Db;
use think\Exception;

class ArticleRecord extends Base
{
    public $table = 'article_record';
    protected $validateName = 'ArticleRecord';

    public function lists($userId,$page,$size){
        $offset = ($page - 1) * $size;
        $ret=$this
            ->field('id,article_paper_id,score,create_time')
            ->where('user_id',$userId)
            ->order('id desc')
            ->page($offset,$size)
            ->select()
            ->toArray();
        foreach ($ret as $k=>$v){
            $title=Db::name('article_paper')
                ->field('title')
                ->where('id',$v['article_paper_id'])
                ->find();
            $ret[$k]['title']=$title?$title['title']:'';
            $ret[$k]['score']=(int)$v['score'];
        }
        return $ret;
    }
    public function limits($userId,$paperId){
        $totle=$this
            ->where([
                'user_id'=>$userId,
                'article_paper_id'=>$paperId,
            ])->count();
        $paperTotle=Db::name('article_paper')
            ->field('limits')
            ->where([
                'id'=>$paperId,
                'del'=>0,
                'status'=>2,
            ])->find();
        $data = $paperTotle['limits'] - $totle;
        return $data > 0?$data:0;
    }
    public function saveData($userId,$orgId,$paperId,$jsonArray){
        $score=0;
        foreach ($jsonArray as $k=>$value){
            $info = Db::name('article_question')
                ->where('id',$value['questionId'])
                ->where('del',0)
                ->find();
            if(!$info){
                $this->error = '试题有变化，请重新答题';
                return false;
            }
            $answer = $value['answer']?explode(',',$value['answer']):[];
            $error = 0;
            $answers = json_decode($info['options'],true);
            if(!$answer){
                $error = 1;
            }else{
                foreach ($answer as $k=>$v){
                    $flag = 0;
                    foreach ($answers as $kk=>$vv){
                        if($v == $vv['id']){
                            $flag = 1;
                            if($vv['answer'] == 0){
                                $error = 1;
                                break;
                            }
                        }
                    }
                    if($flag == 0){
                        $error = 0;
                        break;
                    }
                }
            }
            if($error == 0){
                $score += $info['score'];
            }
        }
        $this->startTrans();
        try{
            $data=[
                'article_paper_id'=>$paperId,
                'user_id'=>$userId,
                'score'=>$score,
                'create_time'=>date('Y-m-d H:i:s'),
            ];

            $id=$this->insertGetId($data);
            if(!$id){
                \exception('考试记录保存失败');
            }
            $a =[];
            foreach ($jsonArray as $k=>$val){
                $data=[
                    'article_record_id'=>$id,
                    'article_question_id'=>$val['questionId'],
                    'answer'=>$val['answer'],
                ];
                $a[] = $data;

            }
            $res = Db::name('article_record_answer')
                ->insertAll($a);
            if(!$res){
               \exception('问题保存失败');
            }
            $this->commit();
            return true;
        }catch (Exception $e){
            $this->rollback();
            $this->error = $e->getMessage();
            return false;

        }

    }
}