#  Copyright 2026 zhaoxi826
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.

from sqlalchemy.exc import IntegrityError, OperationalError
from pydantic import ValidationError
from kilostar.utils.error import UserNotExistError, BusinessError, RetryableError

from kilostar.utils.logger import get_logger

logger = get_logger("database_exception")


def database_exception(func):
    """异步装饰器：把 SQLAlchemy / Pydantic / 业务异常归类记日志后再抛出。"""

    async def wrapper(*args, **kwargs):
        try:
            return await func(*args, **kwargs)
        except ValidationError as e:
            logger.error(f"对象校验失败:{e}")
            raise e
        except IntegrityError as e:
            logger.warning(f"数据库完整性冲突: {e.orig}")
            err = BusinessError(str(e.orig))
            err.http_status = 409
            err.code = "conflict"
            raise err from e
        except OperationalError as e:
            logger.error(f"数据库连接异常: {e}")
            raise RetryableError(f"数据库暂时不可用，请稍后重试: {e}") from e
        except (UserNotExistError, BusinessError):
            raise
        except Exception as e:
            logger.exception(f"未预期的数据库错误: {e}")
            raise e

    return wrapper