from __future__ import annotations

from typing import Any, Dict

from openenv.core.client_types import StepResult
from openenv.core.env_client import EnvClient

from server.models import OfficeAction, OfficeObservation, OfficeState


class OfficeEnvClient(EnvClient[OfficeAction, OfficeObservation, OfficeState]):
    def _step_payload(self, action: OfficeAction) -> Dict[str, Any]:
        # The env server deserializes via Pydantic, so we send only provided fields.
        return action.model_dump(exclude_none=True)

    def _parse_result(self, payload: Dict[str, Any]) -> StepResult[OfficeObservation]:
        obs_data = payload.get("observation", {}) or {}
        reward = payload.get("reward", None)
        done = bool(payload.get("done", False))
        observation = OfficeObservation(
            **obs_data,
            done=done,
            reward=reward,
        )
        return StepResult(observation=observation, reward=reward, done=done)

    def _parse_state(self, payload: Dict[str, Any]) -> OfficeState:
        return OfficeState.model_validate(payload)