from typing import Dict, Any

from aiflows.base_flows import CircularFlow
from aiflows.utils import logging
from abc import ABC, abstractmethod


logging.set_verbosity_debug()
log = logging.get_logger(__name__)


class ContentWriterFlow(CircularFlow, ABC):
    @abstractmethod
    def _on_reach_max_round(self):
        """
        should update flow state dictionary about the output variables and status.
        """
        pass

    @abstractmethod
    @CircularFlow.output_msg_payload_processor
    def detect_finish_or_continue(self, output_payload: Dict[str, Any], src_flow) -> Dict[str, Any]:
        """
        1. Writing content to file;
        2. Finish and early exit.
        """
        pass