import json
from copy import deepcopy
from typing import Any, Dict
from flow_modules.aiflows.ChatFlowModule import ChatAtomicFlow



class PlanGeneratorAtomicFlow(ChatAtomicFlow):
    """This class wraps around the Chat API to generate plan from a goal.

    *Input Interface Non Initialized*:
    - `goal`

    *Input Interface Initialized*:
    - `goal`

    *Output Interface*:
    - `plan`
    """
    def __init__(self, **kwargs):
        super().__init__(**kwargs)
        self.hint_for_model = """
        Make sure your response is in the following format:
              Response Format:
              {
              "plan": "A step-by-step plan to finish the given goal, each step of plan should contain full information about writing a function",
              }
        """

    @classmethod
    def instantiate_from_config(cls, config):
        flow_config = deepcopy(config)

        kwargs = {"flow_config": flow_config}

        # ~~~ Set up prompts ~~~
        kwargs.update(cls._set_up_prompts(flow_config))

        # ~~~ Set up backend ~~~
        kwargs.update(cls._set_up_backend(flow_config))

        # ~~~ Instantiate flow ~~~
        return cls(**kwargs)

    def _update_prompts_and_input(self, input_data: Dict[str, Any]):
        if 'goal' in input_data:
            input_data['goal'] += self.hint_for_model

    def run(self, input_data: Dict[str, Any]) -> Dict[str, Any]:
        self._update_prompts_and_input(input_data)
        while True:
            api_output = super().run(input_data)["api_output"].strip()
            try:
                response = json.loads(api_output)
                return response
            except (json.decoder.JSONDecodeError, json.JSONDecodeError):
                new_goal = "The previous respond cannot be parsed with json.loads. Next time, do not provide any comments or code blocks. Make sure your next response is purely json parsable."
                new_input_data = input_data.copy()
                new_input_data['goal'] = new_goal
                input_data = new_input_data