# test_minio_diag.py
import os
from minio import Minio
from minio.error import S3Error

print("=== 1. 环境变量检查 ===")
print(f"Endpoint: {os.getenv('MINIO_ENDPOINT')}")
print(f"Access Key: {os.getenv('MINIO_ACCESS_KEY')}")
print(f"Secret Key: {os.getenv('MINIO_SECRET_KEY')[:3]}***") # 隐藏部分
print(f"Secure: {os.getenv('MINIO_SECURE')}")
print(f"HTTP Proxy: {os.getenv('http_proxy', 'None')}") # 关键：检查是否有代理
print(f"HTTPS Proxy: {os.getenv('https_proxy', 'None')}")

print("\n=== 2. 连接测试 ===")
try:
    client = Minio(
        os.getenv("MINIO_ENDPOINT"),
        access_key=os.getenv("MINIO_ACCESS_KEY"),
        secret_key=os.getenv("MINIO_SECRET_KEY"),
        secure=os.getenv("MINIO_SECURE").lower() == "true"
    )
    
    # 尝试列出 public/ 目录下的文件
    print(">>> 尝试列出对象 (ListObjects)...")
    bucket = os.getenv("MINIO_BUCKET")
    objs = list(client.list_objects(bucket, prefix="public/", recursive=True))
    if objs:
        obj_name = objs[0].object_name
        print(f"✅ 列表成功! 发现文件: {obj_name}")
        
        # 尝试下载该文件
        print(f">>> 尝试下载对象 (GetObject): {obj_name}")
        stream = client.get_object(bucket, obj_name)
        print(f"✅ 下载成功! 文件大小: {len(stream.read())} bytes")
    else:
        print("⚠️ public/ 目录下没有文件")

except S3Error as e:
    print(f"❌ S3 错误! Code: {e.code}")
    print(f"   Message: {e.message}")
    if "AccessDenied" in str(e):
        print("\n💡 结论: 你的 minioadmin 账号缺乏读取权限。请检查 MinIO 控制台的用户策略。")
except Exception as e:
    print(f"❌ 未知错误: {e}")