from __future__ import annotations

from typing import Any

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

from models import BDOAction, BDOObservation, BDOState


class BDOEnvClient(EnvClient[BDOAction, BDOObservation, BDOState]):
    """Typed OpenEnv client for the BDO.ai environment."""

    def _step_payload(self, action: BDOAction) -> dict[str, Any]:
        return action.model_dump(mode="json", exclude_none=True)

    def _parse_result(self, payload: dict[str, Any]) -> StepResult[BDOObservation]:
        obs_data = dict(payload.get("observation", {}))
        obs_data["reward"] = payload.get("reward")
        obs_data["done"] = payload.get("done", False)
        observation = BDOObservation.model_validate(obs_data)
        if not observation.metadata and observation.info:
            observation.metadata = dict(observation.info)
        return StepResult(
            observation=observation,
            reward=payload.get("reward"),
            done=payload.get("done", False),
        )

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