#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
测试班级列表获取
在批量创建学生之前，先检查系统中的班级信息
"""

import requests
import json

def test_class_list():
    """测试获取班级列表"""
    base_url = "http://localhost:8080"
    
    try:
        url = f"{base_url}/classMsg/classMsg/list"
        params = {
            'pageNum': 1,
            'pageSize': 1000
        }
        
        print("正在获取班级列表...")
        response = requests.get(url, params=params)
        response.raise_for_status()
        
        data = response.json()
        print(f"响应状态码: {response.status_code}")
        print(f"响应内容: {json.dumps(data, ensure_ascii=False, indent=2)}")
        
        if data.get('code') == 200:
            classes = data.get('rows', [])
            print(f"\n✅ 成功获取到 {len(classes)} 个班级")
            
            if classes:
                print("\n班级列表:")
                for i, class_info in enumerate(classes[:5], 1):  # 只显示前5个
                    print(f"  {i}. 班级ID: {class_info.get('id')}")
                    print(f"     班级名称: {class_info.get('className', class_info.get('class_name', '未知'))}")
                    print(f"     班级代码: {class_info.get('classCode', class_info.get('class_code', '未知'))}")
                    print(f"     学院: {class_info.get('collegeName', class_info.get('college_name', '未知'))}")
                    print(f"     专业: {class_info.get('majorName', class_info.get('major_name', '未知'))}")
                    print(f"     年级: {class_info.get('grade', '未知')}")
                    print()
                
                if len(classes) > 5:
                    print(f"   ... 还有 {len(classes) - 5} 个班级")
            else:
                print("⚠️ 系统中暂无班级信息")
        else:
            print(f"❌ 获取班级列表失败: {data.get('msg')}")
            
    except requests.exceptions.ConnectionError:
        print("❌ 连接失败: 无法连接到后端服务，请确认：")
        print("   1. 后端服务是否已启动")
        print("   2. API地址是否正确")
        print("   3. 网络连接是否正常")
    except Exception as e:
        print(f"❌ 请求异常: {str(e)}")

if __name__ == "__main__":
    test_class_list()