<?php

declare(strict_types=1);

namespace App\Controller\Api\v1;

use App\Controller\AbstractController;
use App\Service\QueueService;
use App\Utils\AppResult;
use App\Utils\Control\AuthUser;
use Hyperf\DbConnection\Db;

//
use App\Request\Api\v1\Question\SubmitRequest;
use App\Request\Api\v1\Question\BindjigouRequest;
use App\Master\Enum\RedisKeyEnum;
use App\Utils\RedisUtil;
use Hyperf\Di\Annotation\Inject;

/**
 * 选手接口
 * PlayerController
 */
class QuestionController extends AbstractController
{
    // 日志模块名称
    const LOG_MODULE = 'v1/QuestionController';

    #[Inject]
    protected QueueService $service;

    //用户绑定机构
    public function bindjigou(BindjigouRequest $request){

        //验证活动开始时间，结束时间
        if( time() < strtotime(site('subject_starttime')) )
        {
            return AppResult::error('活动开始时间：'.site('subject_starttime'));
        }
        if( strtotime(site('subject_endtime')) < time() )
        {
            return AppResult::error('活动在'.site('subject_endtime').'就结束了');
        }

        $params = $request->validated();// 获取校验通过的参数
        $user   = AuthUser::getInstance()->get();

        $jigou_id = $params['jigou_id'];
        $jigou_info = Db::table('vote_jigou')->where('id',$jigou_id)->first();
        if(!$jigou_info){
            return AppResult::error('不存在的单位');
        }

        $times = site('bind_jigou_times');
        if($user['bind_jigou_times'] >= $times){
            return AppResult::error('最多修改绑定单位'.$times.'次');
        }

        if($user['bind_jigou_id'] == $jigou_id){
            return AppResult::error('绑定单位没有改变');
        }

        $data = [
            'bind_jigou_id'   => $jigou_id,
            'bind_jigou_times' => $user['bind_jigou_times'] + 1,
        ];
        $rs = Db::table('user')->where('id',$user['id'])->update($data);
        if(!$rs){
            return AppResult::error('修改绑定失败');
        }

        //曾经 答题贡献的分数，用户曾经都要给到新机构
        if(!empty($user['bind_jigou_id'])){
            $this->service->bindjigouPush(['user_id' => $user['id'], 'old_jigou_id' => $user['bind_jigou_id'], 'new_jigou_id' => $jigou_id], 0);
        }


        return AppResult::success('绑定成功');
    }


    /**
     * 答题
     */
    public function submit(SubmitRequest $request)
    {
        //验证活动开始时间，结束时间
        if( time() < strtotime(site('subject_starttime')) )
        {
            return AppResult::error('活动开始时间：'.site('subject_starttime'));
        }
        if( strtotime(site('subject_endtime')) < time() )
        {
            return AppResult::error('活动在'.site('subject_endtime').'就结束了');
        }


        $params = $request->validated();// 获取校验通过的参数
        $user   = AuthUser::getInstance()->get();

        if (!RedisUtil::getInstance(RedisKeyEnum::API_REQUEST_TRAFFIC.':'.$user['id'])->tryTimes(1, 5)) {
            return AppResult::error('操作太快了,休息一下吧');
        }

        //上次绑定选手的时间不是今天
        if(empty($user['bind_jigou_id'])){
            return AppResult::response_fast(2,'先绑定单位再答题');//给不同的code，0报错，2跳到答题
        }

        //检查今日答题次数
        $exam_times_user_eday = site('exam_times_user_eday');
        $count = RedisUtil::getInstance(RedisKeyEnum::EAXM_TIMES.date('Y-m-d').':'.$user['id'])->get();
        if($count >= $exam_times_user_eday){
            return AppResult::error('今日答题次数用完了,明天再来吧');
        }

        //答题
        $user_questions = htmlspecialchars_decode($params['questions']);
        $user_questions = json_decode($user_questions,true);
        if (!$user_questions) {
            return AppResult::error('提交数据有误');
        }
        //避免超次数
        if(count($user_questions) + $count > $exam_times_user_eday){
            return AppResult::error('今日答题次数用完了,明天再来吧!');
        }
        $questions_ids  = array_column($user_questions, 'id');         // 答题id
        $answers        = array_column($user_questions, 'answer');     // 用户答案

        $is_right_number = 0;
        $log_data        = [];
        $questions = Db::table('exam_question')->select(['id','kind','answer'])->whereIn('id',$questions_ids)->orderByRaw('FIELD(id, '. implode(',', $questions_ids) .')')->get();
        $questions = json_decode(json_encode($questions),true);
        foreach($questions as $key => $question){
            $is_right = $this->paperExam($question,$answers[$key]);

            if($is_right){
                $is_right_number ++;
            }

            $log_data[] = [
                'user_id'     => $user['id'],
                'question_id' => $question['id'],
                'is_right'    => $is_right ? 1 : 0,
                'score'       => $is_right ? site('question_right_getscore') : 0,
                'jigou_id'   => $user['bind_jigou_id'],
                'createtime'  => time(),
                'createdate'  => strtotime(date('Y-m-d')),
            ];
        }


        //今日答题次数，自增一次
        $count = RedisUtil::getInstance(RedisKeyEnum::EAXM_TIMES.date('Y-m-d').':'.$user['id'])->incrby_expire(count($user_questions),86400);


        if($is_right_number > 0){
            //今日答对次数，自增一次
            RedisUtil::getInstance(RedisKeyEnum::EAXM_RIGHT.date('Y-m-d').':'.$user['id'])->incrby_expire($is_right_number,86400);
        }

        //答题日志
        $right_score = intval(bcmul((string)$is_right_number,(string)site('question_right_getscore'),0));//乘以基数，也就是答题获得的分数
        $this->service->questionPush(['log_data' => $log_data, 'is_right_number' => $right_score, 'bind_jigou_id' => $user['bind_jigou_id']], 0);
        //给机构加分


        //返回正确了几道题，剩余答题次数
        $right_vote    = intval(bcmul((string)$is_right_number,(string)site('question_right_getvotenum'),0));//乘以基数，也就是答题获得的票数
        $question_vote = intval(bcmul((string)$exam_times_user_eday,(string)site('question_right_getvotenum'),0));//乘以基数，也就是答题获得的票数
        $result = [
            'remark' => '答对'.$is_right_number.'题,获得'.$right_vote.'次投票次数,答题最多可获得'.$question_vote.'次投票机会',
            'submit_number'=> count($user_questions),
            'right_number' => $is_right_number,
            'remain'       => $exam_times_user_eday - $count,
        ];
        return AppResult::success('答题完毕',$result);
    }

    /**
     * 试题
     * @param $question_id
     * @param $answer
     * @return bool
     */
    private function paperExam($question,$answer)
    {
        $is_right = false;

        if(empty($question)){
            return false;
        }
        $question = json_decode(json_encode($question),true);
        switch ($question['kind']) {
            case 'JUDGE':   // 判断题
            case 'SINGLE':  // 单选题
            case 'MULTI':   // 多选题

                // 答题正确
                if (strtoupper($answer) == $question['answer']) {
                    $is_right = true;
                } else {
                    $is_right = false;
                }
                break;

            case 'SHORT':   // 简答题
                // 答案得分配置
                $answer_config = is_string($question['answer']) ? json_decode($question['answer'], true) : $question['answer'];
                $user_answers  = $answer;

                foreach ($answer_config['config'] as $answer_item) {

                    // 匹配答案关键词
                    if (strpos($user_answers, $answer_item['answer']) !== false) {
                        $is_right = true;
                        break;
                    }

                }

                break;
        }

        return $is_right;
    }


}