<?php

namespace app\common\service;

use app\common\model\Teacher;
use app\common\model\TeacherScheduleTime;
use app\constant\ResponseCode;
use DateTime;
use think\Exception;

class TeacherScheduleTimeService
{

    /**
     * @desc 添加空闲时间
     * @param $request
     * @return array|void
     */
    public function addScheduleTime($request)
    {
        try {
            if (empty($request->teacher)) {
                throw new Exception('请教师登陆后再设置');
            }
            $teacher = Teacher::where(['id' => $request->teacher->id])->findOrEmpty();

            if ($teacher->isEmpty()) {
                throw new Exception('未找到教师信息，设置失败');
            }
            $data = $request->post();

            $free_time = json_decode($data['schedule_time'], true);

            if (empty($free_time)) {
                throw new Exception('请选择时间段之后再提交');
            }
            foreach ($free_time as $free_date => $times) {
                if ($times) {
                    foreach ($times as $time) {
                        $time_period = explode(' - ', $time);
                        $firstDate = new DateTime($free_date . ' ' . $time_period[0]);
                        $secondDate = new DateTime($free_date . ' ' . $time_period[1]);
                        $diff = $secondDate->diff($firstDate);
                        $h = $diff->h;
                        $m = round($diff->i / 60, 2);
                        $hour = round($h + $m, 2);
                        $free_data = [
                            'teacher_id' => $request->teacher->id,
                            'date' => $free_date,
                            'time' => $time,
                            'hour' => $hour,
                            'start_time' => date('Y-m-d H:i:s', $firstDate->getTimestamp()),
                            'end_time' => date('Y-m-d H:i:s', $secondDate->getTimestamp()),
                            'month' => date('Y-m', strtotime($free_date)),
                        ];
                        //@todo:判断是否已经存在
                        $res = TeacherScheduleTime::create($free_data);
                        if (!$res) {
                            throw new Exception('保存失败');
                        }
                    }
                }
            }

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

    /**
     * @desc 获取排课列表
     * @param $request
     * @return array
     */
    public function getScheduleTime($request)
    {
        try {
            if (empty($request->teacher)) {
                throw new Exception('请教师登陆后再设置');
            }
            $teacher = Teacher::where(['id' => $request->teacher->id])->findOrEmpty();

            if ($teacher->isEmpty()) {
                throw new Exception('未找到教师信息，设置失败');
            }
            $data = $request->get();

            $schedule = TeacherScheduleTime::order('id desc')->where(['teacher_id' => $teacher->id]);
            if (isset($data['month']) && !empty($data['month'])) {
                $schedule->where('month', $data['month']);
            }
            if (isset($data['date']) && !empty($data['date'])) {
                $schedule->where('date', $data['date']);
            }

            $list = $schedule->field('id,teacher_id,date,time,en_time,hour,month,subject_id,is_publish')
                ->with(['subject', 'studentSchedule', 'teacher'])
                ->select()->toArray();

            foreach ($list as $key => &$item) {
                if ($item['studentSchedule']) {
                    foreach ($item['studentSchedule'] as $index => $value) {
                        if(!$value['is_publish']){
                            unset($item['studentSchedule'][$index]);
                        }else{
                            unset($item['studentSchedule'][$index]['deleted_at']);
                            unset($item['studentSchedule'][$index]['updated_at']);
                            unset($item['studentSchedule'][$index]['created_at']);
                            unset($item['studentSchedule'][$index]['month']);
                            unset($item['studentSchedule'][$index]['teacher_schedule_time_detail']);
                            unset($item['studentSchedule'][$index]['end_time']);
                            unset($item['studentSchedule'][$index]['start_time']);
                        }
                    }
                }
            }

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


}