import httpx

from core_domain import WorkflowVersionContract


class WorkflowServiceClientError(Exception):
    pass


class WorkflowServiceClient:
    def __init__(self, base_url: str, timeout_seconds: float = 10.0) -> None:
        self.base_url = base_url.rstrip("/")
        self.timeout_seconds = timeout_seconds

    def get_workflow_version(
        self,
        *,
        tenant_id: str,
        workflow_version_id: str,
    ) -> WorkflowVersionContract:
        try:
            with httpx.Client(timeout=self.timeout_seconds) as client:
                response = client.get(
                    f"{self.base_url}/workflows/versions/{workflow_version_id}",
                    params={"tenant_id": tenant_id},
                )
                response.raise_for_status()
                return WorkflowVersionContract.model_validate(response.json())
        except httpx.HTTPError as exc:
            raise WorkflowServiceClientError(f"workflow-service request failed: {exc}") from exc