from fastapi import APIRouter, HTTPException
from fastapi.responses import FileResponse

from app.integrations.storage_client import StorageClient

router = APIRouter()


@router.get("/{key:path}")
def get_file(key: str) -> FileResponse:
    try:
        path = StorageClient().resolve(key)
    except ValueError:
        raise HTTPException(status_code=400, detail="非法路径")
    if not path.is_file():
        raise HTTPException(status_code=404, detail="文件不存在")
    return FileResponse(path)