<?php

namespace app\common\service;

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

class TeacherFreeTimeService
{


    /**
     * @desc 添加空闲时间
     * @param $request
     * @return array
     * @throws \Exception
     */
    public function addFreeTime($request)
    {
        try {
            if (empty((array)$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();

            if (empty($data['free_time'])) {
                throw new Exception('请选择时间后提交');
            }

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


            $total_count = 0;
            $exit_count = 0;
            $err_free_count = 0;

            $has_msg = false;
            foreach ($free_time as $item) {
                $free_date = $item['day'];
                foreach ($item['times'] as $val) {
                    $time = $val['zh'];
                    $en_time = $val['en'];
                    $time_period = explode('-', $time);
                    $en_time_period = explode('-', $en_time);
                    $firstDate = new DateTime($free_date . ' ' . trim($time_period[0]));
                    $secondDate = new DateTime($free_date . ' ' . trim($time_period[1]));
                    $enFirstDate = new DateTime($free_date . ' ' . trim($en_time_period[0]));
                    $enSecondDate = new DateTime($free_date . ' ' . trim($en_time_period[1]));
                    $diff = $secondDate->diff($firstDate);
                    $h = $diff->h;
                    $m = round($diff->i / 60, 2);
                    $hour = round($h + $m, 2);
                    $time = $time_period[0] . ' - ' . $time_period[1];
                    $free_data = [
                        'teacher_id' => $request->teacher->id,
                        'date' => $free_date,
                        'time' => $time,
                        'en_time' => implode(' - ', $en_time_period),
                        'hour' => $hour,
                        'start_time' => date('Y-m-d H:i:s', $firstDate->getTimestamp()),
                        'end_time' => date('Y-m-d H:i:s', $secondDate->getTimestamp()),
                        'en_start_time' => date('Y-m-d H:i:s', $enFirstDate->getTimestamp()),
                        'en_end_time' => date('Y-m-d H:i:s', $enSecondDate->getTimestamp()),
                        'month' => date('Y-m', strtotime($free_date)),
                        'time_zone_id' => $teacher['time_zone_id'],
                        'time_zone_name' => $teacher['time_zone_name'],
                        'time_zone_offset' => $teacher['time_zone_offset'],
                    ];

                    //判断是否已经存在
                    $exit = TeacherFreeTime::where($free_data)->findOrEmpty();

                    if (!$exit->isEmpty()) {
                        $msg .= '【' + $free_data['en_time'] + '】';
                        $has_msg = true;
                        continue;
                    }

                    $res = TeacherFreeTime::create($free_data);
                    if (!$res) {
                        throw new Exception('保存失败');
                    }
                    if ($has_msg) {
                        $msg = $msg + '已存在添加';
                    }

                }
            }


//            foreach ($free_time as $free_date => $times) {
//                if ($times) {
//                    foreach ($times as $time) {
//                        $time_period = explode(' - ', $time);
//                        $firstDate = new DateTime($free_date . ' ' . trim($time_period[0]));
//                        $secondDate = new DateTime($free_date . ' ' . trim($time_period[1]));
//                        $diff = $secondDate->diff($firstDate);
//                        $h = $diff->h;
//                        $m = round($diff->i / 60, 2);
//                        $hour = round($h + $m, 2);
//                        $time = $time_period[0] . ' - ' . $time_period[1];
//                        $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)),
//                        ];
//
//                        //判断是否已经存在
//                        $exit = TeacherFreeTime::where($free_data)->findOrEmpty();
//                        if(!$exit->isEmpty()){
//                            continue;
//                        }
//                        $res = TeacherFreeTime::create($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 获取教师空闲时间
     * @param $request
     * @return array
     */
    public function getFreeTime($request)
    {
        try {
            $free_time = TeacherFreeTime::where(['date' => $request->get('date'), 'teacher_id' => $request->teacher->id])->findOrEmpty();

            if ($free_time->isEmpty()) {
                throw new Exception('未找到数据');
            }

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

    /**
     * @desc 获取教师一个月的空闲时间
     * @param $request
     * @return array
     */
    public function getTeacherFreeTimeOfMonth($request)
    {
        try {
            if (empty((array)$request->teacher)) {
                throw new Exception('请教师登陆后再设置');
            }

            $free_time = TeacherFreeTime::where(['month' => $request->get('month'), 'teacher_id' => $request->teacher->id])->select();

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

    public function updateFreeTime($request)
    {
        try {
            $teacher_free_time = TeacherFreeTime::where(['id' => $request->post('free_time_id')])->findOrEmpty();
            if ($teacher_free_time->isEmpty()) {
                throw new Exception('未找到数据');
            }

            $data = $request->post();

            if (empty($data['free_time'])) {
                throw new Exception('请选择时间后提交');
            }

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

            $free_time = json_decode($free_time['free_time'], true)[0];


            $free_date = $free_time['day'];
            $time = $free_time['times'][0]['zh'];
            $en_time = $free_time['times'][0]['en'];
            $time_period = explode('-', $time);
            $en_time_period = explode('-', $en_time);
            $firstDate = new DateTime($free_date . ' ' . trim($time_period[0]));
            $secondDate = new DateTime($free_date . ' ' . trim($time_period[1]));
            $diff = $secondDate->diff($firstDate);
            $h = $diff->h;
            $m = round($diff->i / 60, 2);
            $hour = round($h + $m, 2);
            $time = $time_period[0] . ' - ' . $time_period[1];

            $teacher_free_time->save([
                'date' => $free_date,
                'time' => $time,
                'hour' => $hour,
                'en_time' => implode(' - ', $en_time_period),
            ]);

            return [
                'code' => ResponseCode::SUCCESS,
                'msg' => '操作成功'
            ];

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

    /**
     * @desc 删除空闲时间
     * @param $request
     * @return array
     */
    public function delete($request)
    {
        try {
            $free_time = TeacherFreeTime::where(['id' => $request->post('free_time_id')])->findOrEmpty();
            if ($free_time->isEmpty()) {
                throw new Exception('未找到数据');
            }
            $free_time->delete();

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

}