"""ForensicShell Environment Client."""

from typing import Any, Dict

from openenv.core import EnvClient
from openenv.core.client_types import StepResult
from openenv.core.env_server.types import State

from .models import ForensicShellAction, ForensicShellObservation


class ForensicShellEnv(
    EnvClient[ForensicShellAction, ForensicShellObservation, State]
):
    """
    Client for the ForensicShell Environment.

    Async usage:
        >>> async with ForensicShellEnv(base_url="http://localhost:8000") as client:
        ...     result = await client.reset()
        ...     result = await client.step(
        ...         ForensicShellAction(action_type="list_dir", path="/var/log")
        ...     )

    Docker usage:
        >>> client = ForensicShellEnv.from_docker_image("forensic-shell:latest")
        >>> result = await client.reset()
    """

    def _step_payload(self, action: ForensicShellAction) -> Dict[str, Any]:
        # Full Pydantic dump so nested report/TimelineEvent serializes correctly.
        return action.model_dump(mode="json", exclude_none=False)

    def _parse_result(self, payload: Dict) -> StepResult[ForensicShellObservation]:
        obs_data = payload.get("observation", {}) or {}
        observation = ForensicShellObservation(
            output=obs_data.get("output", ""),
            task_id=obs_data.get("task_id", ""),
            task_description=obs_data.get("task_description", ""),
            steps_remaining=obs_data.get("steps_remaining", 0),
            action_error=obs_data.get("action_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),
        )