"""存储目标下的文件列表 API。"""
from fastapi import APIRouter, HTTPException

from app.core.storage.factory import create_storage
from app.deps import AdminUser, DBSession
from app.models.storage import Storage

router = APIRouter(prefix="/storages", tags=["storages"])


@router.get("/{storage_id}/files")
async def list_storage_files(
    storage_id: int,
    db: DBSession,
    _: AdminUser,
    prefix: str = "",
) -> list[dict]:
    row = db.get(Storage, storage_id)
    if not row:
        raise HTTPException(status_code=404, detail="Not found")
    storage = create_storage(row)
    files = await storage.list(prefix=prefix)
    return [
        {
            "key": f.key,
            "size": f.size,
            "last_modified": f.last_modified,
        }
        for f in files
    ]