disk_panic/client.py

"""Client class: EnvClient subclass wired for DiskPanic."""
from typing import Dict

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

from disk_panic.models import DiskPanicAction, DiskPanicObservation


class DiskPanicEnv(EnvClient[DiskPanicAction, DiskPanicObservation, State]):
    """HTTP / WebSocket client for the DiskPanic environment server."""

    def _step_payload(self, action: DiskPanicAction) -> Dict:
        return {"command": action.command}

    def _parse_result(self, payload: Dict) -> StepResult[DiskPanicObservation]:
        obs_data = payload.get("observation", {}) or {}
        observation = DiskPanicObservation(
            stdout=obs_data.get("stdout", ""),
            df_output=obs_data.get("df_output", ""),
            service_status=obs_data.get("service_status", "unknown"),
            task_id=obs_data.get("task_id", "easy"),
            step=obs_data.get("step", 0),
            last_error=obs_data.get("last_error"),
            done=payload.get("done", False),
            reward=payload.get("reward"),
            metadata=obs_data.get("metadata", {}) or {},
        )
        return StepResult(
            observation=observation,
            reward=payload.get("reward"),
            done=payload.get("done", False),
        )

    def _parse_state(self, payload: Dict) -> State:
        return State(
            episode_id=payload.get("episode_id"),
            step_count=payload.get("step_count", 0),
        )