from flask_smorest import abort
from flask.views import MethodView

from database import Database
from models.requests import UuidSchema, RequestsInteraction, RequestsInteractionDelete, RequestStatus
from models.requestentry import RequestDatabaseEntry
from . import routes_requests as blp

db = Database.get_instance().db

@blp.route("/<string:uuid>")
class InteractRequest(MethodView):
    @blp.doc(summary="Returns a specific request by its UID")
    @blp.arguments(UuidSchema, location='path', as_kwargs=True)
    @blp.response(200, RequestDatabaseEntry, description="Successful operation")
    @blp.alt_response(404)
    def get(self, uuid):
        response = db.at("requests", key=uuid).read()
        if response is None:
            abort(404, message=f"Request {uuid} does not exist.")
        response.update({
            "status": RequestStatus(response["status"])
        })
        return response

    @blp.doc(summary="Deletes a specific request by its UID")
    @blp.arguments(UuidSchema, location='path', as_kwargs=True)
    @blp.response(200, RequestsInteractionDelete, description="Successful operation")
    @blp.alt_response(404)
    def delete(self, uuid):
        if not db.at("requests", key=uuid).exists():
            abort(404, message=f"Request {uuid} does not exist.")
        with db.at("requests").session() as (session, requests):
            del requests[uuid]
            session.write()
        response = {
            "status": RequestStatus.DELETED,
            "message": f"Request {uuid} was deleted."
        }
        return response