<?php

namespace app\common\service;

use app\common\model\Student;
use app\common\model\StudentHomework;
use app\common\model\SubjectHomework;
use app\common\model\TeacherScheduleTime;
use app\constant\ResponseCode;
use think\Exception;

class StudentHomeworkService
{

    /**
     * @desc 添加学生家庭作业
     * @param $request
     * @return array
     */
    public function addStudentHomework($request)
    {
        try {
            if (empty((array)$request->student) && empty((array)$request->parent)) {
                throw new Exception('请登陆后再查看');
            }
            if (!empty((array)$request->student)) {
                $student = Student::where(['id' => $request->student->id])->findOrEmpty();
                if ($student->isEmpty()) {
                    throw new Exception('未找到用户信息');
                }
            }
            if (!empty((array)$request->parent)) {
                $student = Student::where(['parent_id' => $request->parent->id])->findOrEmpty();
                if ($student->isEmpty()) {
                    throw new Exception('未找到用户信息');
                }

            }

            $data = $request->post();


            $subject_homework = SubjectHomework::where(['teacher_schedule_time_id' => $data['subject_homework_id'], 'is_publish' => 1])->findOrEmpty();
            if ($subject_homework->isEmpty()) {
                throw new Exception('老师还未布置课程作业');
            }
            $feedback_file_url = '';
            if(isset($data['feedback_file_url'])){
                if(!empty(json_decode($data['feedback_file_url'],true))){
                    $feedback_file_url = $data['feedback_file_url'];
                }
            }

            $homework = StudentHomework::where(['student_id' => $student->id, 'subject_homework_id'=> $subject_homework->id])->findOrEmpty();
            if($homework->isEmpty()){
                $homework = new StudentHomework();
            }

            $homework->save([
                'student_id' => $student->id,
                'subject_homework_id' => $subject_homework->id,
                'teacher_id' => $subject_homework->teacher_id,
                'teacher_schedule_time_id' => $subject_homework->teacher_schedule_time_id,
                'subject_id' => $subject_homework->subject_id,
                'date'=> $subject_homework->date,
                'time'=> $subject_homework->time,
                'en_time'=> $subject_homework->en_time,
                'hour'=> $subject_homework->hour,
                'start_time'=> $subject_homework->start_time,
                'end_time'=> $subject_homework->end_time,
                'en_start_time'=> $subject_homework->start_time,
                'en_end_time'=> $subject_homework->end_time,
                'month'=> $subject_homework->month,
                'feedback_file_url' => $feedback_file_url,
            ]);

            return [
                'code' => ResponseCode::SUCCESS,
                'msg' => '操作成功'
            ];
        } catch (Exception $e) {
            return [
                'code' => ResponseCode::FAIL,
                'msg' => $e->getMessage()
            ];
        }
    }


    /**
     * @desc 获取学生的课程作业
     * @param $request
     * @return array|void
     */
    public function getStudentSubjectHomework($request)
    {
        try {
            $data = $request->get();
            $homework = StudentHomework::where(['teacher_schedule_time_id' => $data['teacher_schedule_time_id']])->order('id asc');
            $page = isset($data['page']) ? $data['page'] : 1;
            $limit = isset($data['limit']) ? $data['limit'] : 10;
            $total = $homework->count();

            $list = $homework->page($page, $limit)->bind(['student', 'subject'])->select();

            return [
                'code' => ResponseCode::SUCCESS,
                'data' => [
                    'list' => $list,
                    'total' => $total,
                    'page' => $page,
                ],
                'msg' => 'success'
            ];

        } catch (Exception $e) {
            return [
                'code' => ResponseCode::FAIL,
                'msg' => $e->getMessage()
            ];
        }
    }

}