<?php
// +----------------------------------------------------------------------
// | Niucloud-admin 企业快速开发的多应用管理平台
// +----------------------------------------------------------------------
// | 官方网址：https://www.niucloud.com
// +----------------------------------------------------------------------
// | niucloud团队 版权所有 开源版本可自由商用
// +----------------------------------------------------------------------
// | Author: Niucloud Team
// +----------------------------------------------------------------------

namespace app\service\api\apiService;

use app\model\course_schedule\CourseSchedule;
use app\model\person_course_schedule\PersonCourseSchedule;
use app\model\student_course_usage\StudentCourseUsage;
use app\model\student\Student;
use app\model\assignment\Assignment;
use app\model\course\Course;
use app\model\student_courses\StudentCourses;
use core\base\BaseApiService;
use think\Model;
use think\facade\Db;

/**
 * 员工服务层
 * Class MemberService
 * @package app\service\api\member
 */
class CourseService extends BaseApiService
{
    public function __construct()
    {
        parent::__construct();
        $this->model = new Course();
    }

    //课程列表
    public function list($id,$data)
    {
        $where = [];
        if ($data['schedule_date']) {
            $where[] = ['course_date','=', $data['schedule_date']];
        }
        $CourseSchedule = new CourseSchedule();
        $search_model = $CourseSchedule
            ->where('coach_id', $id)
            ->where($where)
            ->with(['course' => function($query) {
                $query->select();
            },'venue' => function($query) {
                $query->select();
            }]);
        $list = $this->pageQuery($search_model);
        $PersonCourseSchedule = new PersonCourseSchedule();
        foreach ($list['data'] as $k => $v) {
            $student = Db::name('person_course_schedule')
                ->alias('pcs')
                ->where('pcs.schedule_id', $v['id']) // 建议加上表别名避免冲突
                ->join('school_student st', 'pcs.student_id = st.id')
                ->join('school_customer_resources cr', 'st.user_id = cr.id')
                ->join('school_member sm', 'cr.member_id = sm.member_id')
                ->field('st.name, sm.headimg as avatar') // 👈 正确方式取字段
                ->select();
            $list['data'][$k]['student'] = $student;
        }
        return $list;
    }
    //获取课程详情
    public function info($data)
    {
        $CourseSchedule = new CourseSchedule();
        $search_model = $CourseSchedule
            ->where('id', $data)
            ->with(['course' => function($query) {
                $query->select();
            },'venue' => function($query) {
                $query->select();
            },'coach' => function($query) {
                $query->select();
            }]);
        $list = $search_model->find();
        $student = Db::name('person_course_schedule')
            ->alias('pcs')
            ->where('pcs.schedule_id', $list['id'])
            ->join('school_student st', 'pcs.student_id = st.id')
            ->join('school_customer_resources cr', 'st.user_id = cr.id')
            ->join('school_member sm', 'cr.member_id = sm.member_id')
            ->field('st.name, sm.headimg as avatar')
            ->select();
        $list['student'] = $student;
        $student_courses = Db::name('student_courses')
            ->alias('sc')
            ->where('sc.course_id', $list['id'])
            ->join('school_student_course_usage sscu', 'sc.id = sscu.student_course_id')
            ->field('sc.student_id,sc.end_date')
            ->select()->toArray();
        foreach ($student_courses as &$v){
            $student = Db::name('student')
                ->alias('st')
                ->where('st.id', $v['student_id'])
                ->join('school_customer_resources cr', 'st.user_id = cr.id')
                ->join('school_member sm', 'cr.member_id = sm.member_id')
                ->field('st.name, sm.headimg as avatar')
                ->find();
            $v['name'] = $student['name'];
            $v['avatar'] = $student['avatar'];
        }
        $list['student_courses'] = $student_courses;

        $Assignment = new Assignment();
        $search_model = $Assignment->where('course_id', $data)
            ->with(['student' => function($query) {
                $query->with(['customerResources' => function($query) {
                    $query->with(['member' => function($query) {
                        $query->select();
                    }]);
                }]);
            }]);
        $search_model_res = $search_model->select()->toArray();
        $groupedByStatus1 = [];
        $groupedByStatus2 = [];
        $groupedByStatus3 = [];

        foreach ($search_model_res as $item) {
            if ($item['status'] == 1){
                array_push($groupedByStatus1,$item);
            } else if ($item['status'] == 2){
                array_push($groupedByStatus2,$item);
            } else if ($item['status'] == 3){
                array_push($groupedByStatus3,$item);
            }
        }
        $list['groupedByStatus1'] = $groupedByStatus1;
        $list['groupedByStatus2'] = $groupedByStatus2;
        $list['groupedByStatus3'] = $groupedByStatus3;
        return $list;
    }


    //获取添加学员列表
    public function StudentList($id)
    {
        $StudentCourses = new StudentCourses();
        $PersonCourseSchedule = new PersonCourseSchedule();
        $student_arr = $PersonCourseSchedule->where('schedule_id',$id)->column('student_id');

        $query = $StudentCourses->where('course_id', $id);
        if (!empty($student_arr)) {
            $query->whereNotIn('student_id', $student_arr);
        }
        $res = $query->field('student_id as value')->select()->toArray();
        $Student = new Student();
        foreach ($res as $k => &$v) {
            $StudentName = $Student->where('id',$v['value'])->value('name');
            $v['text'] = $StudentName;
        }
        return $res;
    }

    public function addStudent($data)
    {
        $PersonCourseSchedule = new PersonCourseSchedule();
        $res = $PersonCourseSchedule->create($data);
        return $res;
    }


    public function delStudentCourse($data)
    {
        $StudentCourseUsage = new StudentCourseUsage();
        $StudentCourses = new StudentCourses();
        $StudentCourses_id = $StudentCourses->where('student_id',$data['student_id'])->where('course_id',$data['course_id'])->value('id');
        $PersonCourseSchedule_id = $StudentCourseUsage->where('student_course_id',$StudentCourses_id)->value('id');
        if ($PersonCourseSchedule_id) {
            $StudentCourseUsage->where('student_course_id',$StudentCourses_id)->delete();
            return true;
        } else {
            return false;
        }
    }


}