client.py

"""WebSocket client for the SimMart environment."""

from typing import Dict

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

from .models import SimMartAction, SimMartObservation, SimMartState


class SimMartEnv(
    EnvClient[SimMartAction, SimMartObservation, SimMartState]
):
    """
    Async/sync client for SimMart.

    Example (sync):
        >>> with SimMartEnv(base_url="http://localhost:7860").sync() as env:
        ...     result = env.reset(seed=42)
        ...     result = env.step(SimMartAction(action_type="decide"))
    """

    def _step_payload(self, action: SimMartAction) -> Dict:
        return {
            "action_type": action.action_type,
            "content": action.content,
        }

    def _parse_result(self, payload: Dict) -> StepResult[SimMartObservation]:
        obs = payload.get("observation", {})
        observation = SimMartObservation(
            output=obs.get("output", ""),
            task_description=obs.get("task_description", ""),
            step_number=obs.get("step_number", 0),
            day_of_quarter=obs.get("day_of_quarter", 0),
            week_of_quarter=obs.get("week_of_quarter", 0),
            message=obs.get("message", ""),
            done=payload.get("done", False),
            reward=payload.get("reward"),
        )
        return StepResult(
            observation=observation,
            reward=payload.get("reward"),
            done=payload.get("done", False),
        )

    def _parse_state(self, payload: Dict) -> SimMartState:
        return SimMartState(
            episode_id=payload.get("episode_id", ""),
            step_count=payload.get("step_count", 0),
            day=payload.get("day", 0),
            week=payload.get("week", 0),
            rng_seed=payload.get("rng_seed", 0),
        )