"""Dateien hochladen und löschen (→ Konzept 7.7)."""

from fastapi import APIRouter, Request, UploadFile
from fastapi.concurrency import run_in_threadpool
from fastapi.responses import Response

from app import web
from app.uploads import service as uploads


def router() -> APIRouter:
    r = APIRouter()

    @r.post("/workspaces/{workspace_id}/uploads")
    async def upload(request: Request, principal: web.Checked, workspace_id: int, file: UploadFile) -> Response:
        def work() -> None:
            with web.db(request).session() as session:
                uploads.save(session, principal, web.settings(request), workspace_id, file.filename or "",
                             file.file)
        await run_in_threadpool(work)
        return web.redirect(f"/workspaces/{workspace_id}/data#uploads")

    @r.post("/uploads/{upload_id}/delete")
    def delete(request: Request, principal: web.Checked, upload_id: int) -> Response:
        with web.db(request).session() as session:
            workspace_id = uploads.delete(session, principal, web.settings(request), upload_id)
        return web.redirect(f"/workspaces/{workspace_id}/data#uploads")

    return r