<?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 $request
     * @return array|void
     */
    public function addFreeTime($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');
            }

//            $free_time = [
//                '2024-7-14'=>[
//                  '9:00-10:00',
//                  '10:00-11:00',
//                  '11:00-12:00',
//                ],
//                '2024-7-15'=>[
//                  '14:00-15:00',
//                  '15:00-16:00',
//                  '16:00-17:00',
//                ],
//                '2024-7-16'=>[
//                  '9:00-10:00',
//                  '10:00-11:00',
//                  '11:00-12:00',
//                ],
//                '2024-7-17'=>[
//                  '9:00-10:00',
//                  '10:00-11:00',
//                  '11:00-12:00',
//                ]
//            ];
            $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' => $hour,
                            'month' => date('Y-m', strtotime($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()
            ];
        }
    }

}