from __future__ import annotations

from typing import Any

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

from models import GPUSchedulerAction, GPUSchedulerObservation, GPUSchedulerState


class GPUSchedulerEnvClient(EnvClient[GPUSchedulerAction, GPUSchedulerObservation]):
    def _step_payload(self, action: GPUSchedulerAction) -> dict[str, Any]:
        return action.model_dump(mode="json")

    def _parse_result(self, payload: dict[str, Any]) -> StepResult[GPUSchedulerObservation]:
        observation = GPUSchedulerObservation.model_validate(payload["observation"])
        return StepResult(
            observation=observation,
            reward=payload.get("reward"),
            done=payload.get("done", False),
        )

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