<?php

namespace app\command;

use app\model\ExamEmpResult;
use app\model\ExamPaper;
use think\console\Command;
use think\console\Input;
use think\console\Output;
use think\facade\Log;

class Exam extends Command
{
    protected function configure()
    {
        $this->setName('exam')
            ->setDescription('试卷未完成，到时间自动提交');
    }

    protected function execute(Input $input, Output $output)
    {
        Log::close(NULL);   // 关闭日志
        $output->writeln("自动提交开始处理：" . date('Y-m-d H:i:s'));
        // 批改未完成的approve_status=-1，系统批改paper.checkway=sys，考试时间结束的
        $now = time();
        $data = ExamEmpResult::with('paperInfo')->where([
            ['approve_status', '=', -1],
            ['endmaketime', '<', $now]
        ])->select();

        foreach ($data as $item) {
            // 如果考试时间结束，则自动提交，更新状态为已提交未批改，考试时间为试卷规定时间
            $item->save(['approve_status' => 0, 'time_spend' => round(($item->endmaketime - strtotime($item->startmaketime)) / 60), 'addtime' => date('Y-m-d H:i:s', $now)]);

            // 如果试卷不是机器审核的
            if ($item->paperInfo->checkway != 'sys') continue;

            // 对试卷进行机器审核
            $this->correct_papers_system($item);

            $output->writeln("处理完成:" . $item->id);
        }

        $output->writeln("自动提交结束处理: " . date('Y-m-d H:i:s'));
    }


    /**
     * 机器审核试卷
     *
     * @param [type] $paperid
     * @param [type] $employee_id
     * @param integer $from
     * @return void
     */
    public function correct_papers_system($result)
    {

        $emp_answer_arr = json_decode($result->answer, true);

        // 查找试题
        $paperInfo = ExamPaper::with('questions')->find($result->paper_id);
        // 总分
        $totalScore = 0;
        $json = [];
        foreach ($paperInfo->questions as &$item) {
            if (!isset($emp_answer_arr[$item->id])) {
                $json[$item->id] = 0;
                continue;
            }

            $json[$item->id] = $this->fraction($emp_answer_arr[$item->id], $item['answer'], $item['type'], (int)$item['pivot']['score'], $result->id, $item->id);

            //得分总和
            $totalScore += (int)$json[$item->id];
        }

        $u['final_score'] = $totalScore;
        $u['approve_status'] = 2;
        $u['aprove_time'] = date('Y-m-d H:i:s');
        $u['data'] = json_encode($json);

        $result->save($u);
    }

    //计算分数
    public function fraction($emp_answer, $answer, $type, $score = 0, $requestid = 0, $questionsid = 0)
    {
        if (!$emp_answer) return 0;

        switch ($type) {
            case '判断':
            case '单选':
                if (trim($answer) == trim($emp_answer)) return $score;
                else return 0;
            case '多选':
                $answer = explode(',', $answer);
                $emp_answer = explode(',', $emp_answer);
                $rs = array_intersect($answer, $emp_answer);
                return $score / count($answer) * count($rs);
            case '简答':
            case '问答':
                $checkedAnswer = ExamEmpResult::autoPaperAnswerCheck($emp_answer, $answer, $score);
                if ($requestid && $questionsid) {
                    $tw[] = ['id', '=', $requestid];
                    $tw[] = ['from', '=', 0];
                    $json = ExamEmpResult::where($tw)->value('answer');
                    $json = json_decode($json, true);
                    if (isset($json[$questionsid])) {
                        $json[$questionsid] = $checkedAnswer['emp_answer'];
                        ExamEmpResult::where($tw)->update(['answer' => json_encode($json)]);
                    }
                }
                return $checkedAnswer['got_score'];
        }

        return 0;
    }
}