import oss2,redis

# 连接oss - 单例模式
class OSSClientSingleton:
    _instance = None
    _client = None
    
    def __new__(cls):
        if cls._instance is None:
            cls._instance = super(OSSClientSingleton, cls).__new__(cls)
        return cls._instance
    
    def get_client(self):
        if self._client is None:
            AccessKeyId = 'LTAI5tSReWm8hz7dSYxxth8f'
            AccessKeySecret = '8ywTDF9upPAtvgXtLKALY2iMYHIxdS'
            Endpoint = 'oss-cn-shanghai.aliyuncs.com'
            Bucket = 'suwa3d-securedata'
            self._client = oss2.Bucket(oss2.Auth(AccessKeyId, AccessKeySecret), Endpoint, Bucket)
        return self._client

def ossClient():
    """获取OSS客户端单例"""
    return OSSClientSingleton().get_client()


#连接redis,单例模式
class RedisClientSingleton:
    _instance = None
    _client = None
    
    def __new__(cls):
        if cls._instance is None:
            cls._instance = super(RedisClientSingleton, cls).__new__(cls)
        return cls._instance
    
    def get_client(self):
        if self._client is None:
            # 添加超时参数，防止连接超时
            # socket_timeout: 每次操作的超时时间（秒）
            # socket_connect_timeout: 连接超时时间（秒）
            # socket_keepalive: 启用 TCP keepalive
            # socket_keepalive_options: keepalive 选项
            self._client = redis.Redis(
                host='mp.api.suwa3d.com', 
                password='kcV2000', 
                port=6379, 
                db=6,
                socket_timeout=30,  # 操作超时30秒
                socket_connect_timeout=10,  # 连接超时10秒
                socket_keepalive=True,  # 启用 TCP keepalive
                socket_keepalive_options={},  # keepalive 选项
                health_check_interval=30  # 健康检查间隔30秒
            )
        else:
            # 检查连接是否有效，如果断开则重新连接
            try:
                self._client.ping()
            except (redis.ConnectionError, redis.TimeoutError, AttributeError):
                # 连接断开，重新创建连接
                self._client = None
                self._client = redis.Redis(
                    host='mp.api.suwa3d.com', 
                    password='kcV2000', 
                    port=6379, 
                    db=6,
                    socket_timeout=30,
                    socket_connect_timeout=10,
                    socket_keepalive=True,
                    socket_keepalive_options={},
                    health_check_interval=30
                )
        return self._client



def redisClient():
    """获取Redis客户端单例"""
    return RedisClientSingleton().get_client()