from fastapi import APIRouter
from infra.token.token_manager import TokenManager
from fastapi import APIRouter, Depends
from fastapi.encoders import jsonable_encoder
from fastapi.responses import JSONResponse
from fastapi import Depends, HTTPException
from starlette.status import HTTP_401_UNAUTHORIZED
from fastapi.encoders import jsonable_encoder
from fastapi.responses import JSONResponse
from infra.token.token_manager import TokenManager
from app.central_storage.backend.application.document_hub import DocumentHub

router = APIRouter()
token_manager = TokenManager()


# Web API
# Fetch document by ID
@router.get(
    "/retrieve_document_info/{document_id}",
    operation_id="retrieve_document_info",
    summary="Fetch a document by its ID",
    description="Retrieve a specific document by its document ID and return file name and download URL",
    response_description="The document details including file name and download URL",
)
async def retrieve_document_info(
    document_id: str
):

    # Fetch the document using DocumentHub
    document = await DocumentHub().retrieve_document_info(document_id)

    # If document is not found, raise 404 error
    if not document:
        raise HTTPException(status_code=404, detail="Document not found")

    # Return the document details
    return JSONResponse(content=jsonable_encoder({"document": document}))