import logging

import azure.functions as func

from json import dump as jsondump, loads as jsonload
from dataclasses import dataclass, asdict
from typing import Optional



@dataclass(frozen=True)
class AiKompasMessage:
    msg_type: int
    obj_id: Optional[str]


    @classmethod
    def fromServiceBusMessage(cls, msg: func.ServiceBusMessage) -> 'AiKompasMessage':
        s = msg.get_body().decode('utf-8')

        return AiKompasMessage(**jsonload(s))


    def toJson(self) -> str:
        return jsondump(asdict(self))



def main(msg: func.ServiceBusMessage):
    logging.info('[Analyzer] Starting')
    msg = AiKompasMessage.fromServiceBusMessage(msg)

    logging.info(f'[Analyzer] Received Message with obj_id: {msg.obj_id}')