<?php

namespace app\api\controller;

use app\model\DayStudy as DayStudyModel;
use app\model\DayStudySetting;
use app\model\ExamEmpResult;
use app\model\ExamQuestion;
use app\model\TrainCourse;

/**
 * 每日学练
 * Class DayStudy
 * @package app\api\controller
 */
class DayStudy extends Base
{
    /**
     * 设置详情
     */
    public function setting(){
        $root_id = $this->request->token['root_org'];
        $setting = DayStudySetting::where('root_id', '=', $root_id)->find();

        return json(['code'=> 0, 'msg'=> '请求成功', 'data'=> $setting]);
    }
    /**
     * 开始学习
     */
    public function study(){
        $employee_id = $this->request->token['employee_id'];
        $find = DayStudyModel::where([['employee_id', '=', $employee_id], ['studyday', '=', date('Y-m-d')]])->find();
        // 生成每日学练
        $root_id = $this->request->token['root_org'];
        $study_setting = DayStudySetting::where('root_id', '=', $root_id)->find();

        $setting = json_decode($study_setting['setting'], true);

        if (empty($find)) {
            $select_train = [];
            $select_question = [];
            if (!empty($setting)) {
                foreach ($setting as $k => $v) {
                    $select_data_ids = [];
                    if ($v['type'] == 'train') {
                        // 课程
                        $course_id = TrainCourse::where([['type_id', '=', $v['id']], ['delete_time', '=', 0]])->column('id');
                        if ($v['percent'] == 0) {
                            continue;
                        } else if ($v['percent'] < count($course_id)) {
                            $array_rand = array_rand($course_id, $v['percent']);
                            if (is_array($array_rand)) {
                                foreach ($array_rand as $v_arr_round) {
                                    $select_data_ids[] = $course_id[$v_arr_round];
                                }
                            } else {
                                $select_data_ids[] = $course_id[$array_rand];
                            }
                        } else {
                            // 拥有的课程数不足时
                            $select_data_ids = $course_id;
                        }

                        $select_train = array_merge($select_data_ids, $select_train);
                    }
                    if ($v['type'] == 'question') {
                        // 试题
                        $question_id = ExamQuestion::where([['cate', '=', $v['id']], ['state', '=', 1]])->column('id');
                        if ($v['percent'] == 0) {
                            continue;
                        } else if ($v['percent'] < count($question_id)) {
                            $array_rand = array_rand($question_id, $v['percent']);
                            $select_data_ids = [];
                            if (is_array($array_rand)) {
                                foreach ($array_rand as $v_arr_round) {
                                    $select_data_ids[] = $question_id[$v_arr_round];
                                }
                            } else {
                                $select_data_ids[] = $question_id[$array_rand];
                            }
                        } else {
                            // 拥有的课程数不足时
                            $select_data_ids = $question_id;
                        }
                        $select_question = array_merge($select_data_ids, $select_question);
                    }
                }
            }
            $content = []; //学习内容
            // 要求是课程在先
            foreach ($select_train as $k => $v) {
                // 课程
                $content[] = [
                    'type'=> 'train',
                    'id'=> $v
                ];
            }
            foreach ($select_question as $k => $v) {
                // 试题
                $content[] = [
                    'type'=> 'question',
                    'id'=> $v
                ];
            }

            foreach ($content as $k => $v) {
                $content[$k]['study'] = 0; //是否学习
                $content[$k]['answer'] = ''; // 试题答案
                $content[$k]['answer_check'] = ''; // 试题答案是否正确
            }

            $save_data['studyday'] = date('Y-m-d', time());
            $save_data['employee_id'] = $employee_id;
            $save_data['content'] = json_encode($content);
            $save_data['root_id'] = $root_id;
            $save_data['status'] = 0;

            $result = DayStudyModel::create($save_data);
            $find = DayStudyModel::find($result->id);
        }

        $train_count = 0;
        $train_type = [];
        $train_done = 0; //课程学习完成量
        $question_count = 0;
        $question_type = [];
        $question_done = 0; //试题完成量

        // 已经生成每日学练
        $content = json_decode($find['content'], true);
        foreach ($content as $k => $v) {
            $content[$k]['info'] = [];
            if ($v['type'] == 'train') {
                $train_course = TrainCourse::find($v['id']);
                if (!empty($train_course)) {
                    $content[$k]['info'] = $train_course->toArray();
                    $train_count ++;
                    $train_type[] = $train_course['type'];
                } else {
                    unset($content[$k]);
                    continue;
                }

                if (isset($v['study']) && $v['study']){
                    $train_done++;
                }
            }
            if ($v['type'] == 'question') {
                $examQuestion = ExamQuestion::find($v['id']);
                $question_count ++;
                $question_type[] = $examQuestion['type'];

                $examQuestion['ask'] = str_replace('\\','',$examQuestion['ask']);
                if ($examQuestion['type'] == '单选' || $examQuestion['type'] == '多选') {
                    $examQuestion['types'] = 1;
                    if (!empty($examQuestion['content'])) {
                        $con = json_decode($examQuestion['content'],true);
                        $op = [];
                        if (!empty($con)) {
                            foreach ($con as $v2) {
                                if (!empty($v2['title'])) {
                                    $op[$v2['title']] = $v2['content'];
                                }
                            }
                        }
                        $examQuestion['content'] = $op;
                        if (!empty($examQuestion['answer'])) {
                            $examQuestion['answer'] = explode(',',$examQuestion['answer']);
                        } else {
                            $examQuestion['answer'] = [];
                        }
                    }
                }elseif ($examQuestion['type']=='判断') {
                    $examQuestion['types'] = 2;
                }elseif ($examQuestion['type']=='简答') {
                    $examQuestion['types'] = 3;
                }
                $content[$k]['info'] = $examQuestion->toArray();

                if (isset($v['answer_check']) && $v['answer_check']){
                    $question_done++;
                }
            }
        }

        $find['content'] = array_values($content);

        $train_type_list = [
            'video'=> '视频',
            'image'=> '图文',
            'audio'=> '音频'
        ];
        $train_type_name = '';
        foreach ($train_type_list as $k => $v) {
            if (in_array($k, $train_type)) {
                $train_type_name .= $v.'/';
            }
        }
        $question_type_name = implode('/', array_unique($question_type));
        $find['train_count'] = $train_count;
        $find['train_type'] = $train_type_name;
        $find['question_count'] = $question_count;
        $find['question_type'] = $question_type_name;
        $find['timelimit'] = $study_setting['timelimit'];
        $find['setting_starttime'] = $study_setting['starttime'];
        $find['setting_endtime'] = $study_setting['endtime'];
        $find['train_done_percent'] = $train_count > 0 ? round($train_done / $train_count *100) : 0;
        $find['question_done_percent'] = $question_count > 0 ? round($question_done / $question_count *100) : 0;
        $find['study_long'] = ceil($find['study_long']/60);

        return json(['code'=> 0, 'data'=> $find, 'msg'=> '获取成功']);
    }

    /**
     * 修改学习进度
     */
    public function update_study(){
        $param = $this->request->only(['type', 'id', 'answer', 'status', 'end']);

        $employee = $this->request->token['employee_id'];
        $study = DayStudyModel::where([['studyday', '=', date('Y-m-d', time())], ['employee_id', '=', $employee]])->find();
        $result = 0;
        if (!empty($param['end'])) {
            $study->endtime = date('Y-m-d H:i:s', time());
            $study->status = 1;
            $result = $study->save();
        }
        if (isset($param['status'])) {
            if ($param['type'] && $param['id']) {
                $content = json_decode($study->content, true);

                foreach ($content as $k => $v) {
                    if ($v['type'] == $param['type'] && $v['id'] == $param['id']) {
                        $content[$k]['status'] = 1;
                        $content[$k]['study'] = $param['status'];
                        $content[$k]['answer'] = $param['answer']??'';
                        if ($param['type'] == 'question' && empty($param['answer'])){
                            //return json(['code'=> 1, 'msg'=> '请填写答案']);
                            $content[$k]['answer_check'] = 0;
                        } elseif($param['type'] == 'question'){
                            $examQuestion = ExamQuestion::find($param['id']);
                            $examQuestion['ask'] = str_replace('\\','',$examQuestion['ask']);
                            if ($examQuestion['type']=='单选' || $examQuestion['type']=='多选' || $examQuestion['type'] == '判断') {
                                if ($param['answer'] == $examQuestion['answer']){
                                    $content[$k]['answer_check'] = 1;
                                } else {
                                    $content[$k]['answer_check'] = 0;
                                }
                            } elseif ($examQuestion['type']=='简答') {
                                $calldata = ExamEmpResult::autoPaperAnswerCheck($param['answer'], $examQuestion['answer'], 0);
                                $keywordsarr = array_filter(explode('|',$examQuestion['answer']));
                                if (count($keywordsarr) > 0){
                                    if ((count($keywordsarr) > 1 && $calldata['gotkeys'] > 1) || (count($keywordsarr) == 1 && $calldata['gotkeys'] == 1)) {
                                        $content[$k]['answer_check'] = 1;
                                    } else {
                                        $content[$k]['answer_check'] = 0;
                                    }
                                } else {
                                    // 没有关键词
                                    $content[$k]['answer_check'] = 1;
                                }
                            }
                        }
                    }
                }
                $study->content = json_encode($content);
                $result = $study->save();
            }
        }

        if ($result !== false) {
            return json(['code'=> 0, 'msg'=> '操作成功']);
        } else {
            return json(['code'=> 1, 'msg'=> '操作失败']);
        }
    }

    /**
     * 调整学习时长
     */
    public function change_study_long(){
        $time = input('time', 0, 'intval');

        $employee_id = $this->request->token['employee_id'];
        $find = DayStudyModel::where([['employee_id', '=', $employee_id], ['studyday', '=', date('Y-m-d')]])->find();
        if (!empty($find)){
            $find->study_long = (int)$find['study_long'] + $time;
            $find->save();
        } else {
            DayStudyModel::where([['employee_id', '=', $employee_id], ['studyday', '=', date('Y-m-d')]])->save(['study_long'=> $time]);
        }
        return json(['code'=> self::success, 'msg'=> '']);
    }
}