<?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\admin\student;

use app\model\class_resources_rel\ClassResourcesRel;
use app\model\student\Student;
use app\model\customer_resources\CustomerResources;
use app\model\campus\Campus;
use app\model\class_grade\ClassGrade;

use app\model\student_label\StudentLabel;
use app\service\admin\student_label\StudentLabelService;
use core\base\BaseAdminService;


/**
 * 学员服务层
 * Class StudentService
 * @package app\service\admin\student
 */
class StudentService extends BaseAdminService
{
    public function __construct()
    {
        parent::__construct();
        $this->model = new Student();
    }

    /**
     * 获取学员列表
     * @param array $where
     * @return array
     */
    public function getPage(array $data = [])
    {
        $field = 'id,user_id,campus_id,class_id,name,gender,age,birthday,member_label,emergency_contact,contact_phone,note,status,created_at,updated_at,deleted_at';
        $order = 'id desc';

        $where = [];
        if($data['campus_id']){
            $where[] = ['campus_id','=',$data['campus_id']];
        }

        if($data['name']){
            $where[] = ['name','=',$data['name']];
        }

        if($data['emergency_contact']){
            $where[] = ['emergency_contact','=',$data['emergency_contact']];
        }

        if($data['contact_phone']){
            $where[] = ['contact_phone','=',$data['contact_phone']];
        }

        if($data['class_id']){
            $where[] = ['class_id','=',$data['class_id']];
        }

        if ($data['member_label']) {
            $where[] = ['a.member_label', 'like', "%" . $data['member_label'] . "%"];
        }


        $search_model = $this->model->where($where)->with(['customerResources', 'campus', 'classGrade'])->field($field)->order($order);


        if (isset($data['created_at'][0]) && isset($data['created_at'][1])) {
            $search_model->whereBetweenTime('created_at', $data['created_at'][0] . "00:00:00", $data['created_at'][1] . "23:59:59");
        }


        return $this->pageQuery($search_model, function ($item, $key) {
            $item = $this->makeUp($item);
        });
    }

    /**
     * 获取学员信息
     * @param int $id
     * @return array
     */
    public function getInfo(int $id)
    {
        $field = 'id,user_id,campus_id,class_id,name,gender,age,birthday,emergency_contact,member_label,contact_phone,note,status,created_at,updated_at,deleted_at';

        $info = $this->makeUp($this->model->field($field)->where([['id', "=", $id]])->with(['customerResources', 'campus', 'classGrade'])->findOrEmpty()->toArray());
        $info['getInfoRel'] = $this->getInfoRel($info['user_id']);
        return $info;
    }


    public function getInfoRel(int $resource_id)
    {
        $rel = new ClassResourcesRel();
        $field = 'id,class_id,resource_id,campus_id,source_id,source_type,join_time,out_time,status,create_time,update_time';

        $info = $rel->field($field)->where([['resource_id', "=", $resource_id]])->with(['classGrade','customerResources','campus'])->findOrEmpty()->toArray();
        return $info;
    }


    /**
     * 组合整理数据
     * @param $data
     */
    public function makeUp($data)
    {
        //会员标签
        if (!empty($data['member_label'])) {
            $data['member_label_array'] = (new StudentLabelService())->getMemberLabelListByLabelIds($data['member_label']);
        }
        return $data;
    }

    /**
     * 添加学员
     * @param array $data
     * @return mixed
     */
    public function add(array $data)
    {
        $res = $this->model->create($data);
        return $res->id;

    }

    /**
     * 学员编辑
     * @param int $id
     * @param array $data
     * @return bool
     */
    public function edit(int $id, array $data)
    {

        $this->model->where([['id', '=', $id]])->update($data);
        return true;
    }

    /**
     * 删除学员
     * @param int $id
     * @return bool
     */
    public function del(int $id)
    {
        $model = $this->model->where([['id', '=', $id]])->find();
        $res = $model->delete();
        return $res;
    }


    public function getCustomerResourcesAll($params = [])
    {
        $customerResourcesModel = new CustomerResources();
        
        // 构建查询条件
        $where = [];
        if (!empty($params['name'])) {
            $where[] = ['name', 'like', '%' . $params['name'] . '%'];
        }
        if (!empty($params['phone_number'])) {
            $where[] = ['phone_number', 'like', '%' . $params['phone_number'] . '%'];
        }
        
        // 查询客户资源，关联学员课程信息
        $customerResources = $customerResourcesModel
            ->where($where)
            ->field('id,name,phone_number,age,member_id')
            ->select()
            ->toArray();
            
        // 批量查询学员课程信息，减少数据库查询次数
        $memberIds = array_column($customerResources, 'member_id');
        $memberIds = array_filter($memberIds); // 移除空值
        
        $courseInfo = [];
        if (!empty($memberIds)) {
            // 查询学员课程信息表
            $courses = \think\facade\Db::table('school_student_courses')
                ->alias('sc')
                ->leftJoin('school_course c', 'sc.course_id = c.id')
                ->where([['sc.resource_id', 'in', $memberIds]])
                ->field('sc.resource_id as member_id,
                        (sc.total_hours + sc.gift_hours - sc.use_total_hours - sc.use_gift_hours) as remaining_hours,
                        sc.end_date as expiry_date,
                        c.course_name,
                        sc.status')
                ->select()
                ->toArray();
                
            // 按 member_id 分组
            foreach ($courses as $course) {
                $courseInfo[$course['member_id']][] = $course;
            }
        }
        
        // 合并数据并判断正式学员状态
        foreach ($customerResources as &$customer) {
            $customer['is_formal_student'] = false;
            $customer['course_info'] = [];
            
            if (!empty($customer['member_id']) && isset($courseInfo[$customer['member_id']])) {
                $customer['course_info'] = $courseInfo[$customer['member_id']];
                
                // 判断是否为正式学员
                $currentTime = time();
                foreach ($customer['course_info'] as $course) {
                    $isValid = true;
                    
                    // 检查到期时间
                    if (!empty($course['expiry_date'])) {
                        $expiryTime = strtotime($course['expiry_date']);
                        $isValid = $expiryTime >= $currentTime;
                    }
                    
                    // 检查剩余课时
                    if ($isValid && $course['remaining_hours'] > 0) {
                        $customer['is_formal_student'] = true;
                        break;
                    }
                }
            }
        }
        
        return $customerResources;
    }

    public function getCampusAll()
    {
        $campusModel = new Campus();
        return $campusModel->select()->toArray();
    }

    public function getClassGradeAll()
    {
        $classGradeModel = new ClassGrade();
        return $classGradeModel->select()->toArray();
    }

    public function label_all()
    {
        $field = 'label_id, label_name';
        return (new StudentLabel())->where([['label_id', '>', 0]])->field($field)->order('sort desc,create_time desc')->select()->toArray();

    }

    public function getStudentByName($name)
    {
        $query = $this->model->with(['customer_resources'])->where([['name', 'like', '%' . $name . '%']]);
        $list = $query->select()->toArray();
        foreach ($list as &$item) {
            $item['client_name'] = $item['name'] . '(家长：' . $item['customer_resources']['name'] . ' 电话：' . $item['customer_resources']['phone_number'] . ')';

        }
        return $list;
    }

}