# coding=utf-8
"""
存储模块 - 支持多种存储后端
支持的存储后端:
- local: 本地 SQLite + TXT/HTML 文件
- remote: 远程云存储（S3 兼容协议：R2/OSS/COS/S3 等）
- auto: 根据环境自动选择（GitHub Actions 用 remote，其他用 local）
"""
from trendradar.storage.base import (
StorageBackend,
NewsItem,
NewsData,
convert_crawl_results_to_news_data,
convert_news_data_to_results,
)
from trendradar.storage.local import LocalStorageBackend
from trendradar.storage.manager import StorageManager, get_storage_manager
# 远程后端可选导入（需要 boto3）
try:
from trendradar.storage.remote import RemoteStorageBackend
HAS_REMOTE = True
except ImportError:
RemoteStorageBackend = None
HAS_REMOTE = False
__all__ = [
# 基础类
"StorageBackend",
"NewsItem",
"NewsData",
# 转换函数
"convert_crawl_results_to_news_data",
"convert_news_data_to_results",
# 后端实现
"LocalStorageBackend",
"RemoteStorageBackend",
"HAS_REMOTE",
# 管理器
"StorageManager",
"get_storage_manager",
]
