import { StepRequest, StepResponse } from './types';

const ENGINE_URL = 'http://localhost:8000/step';

export async function callEngine(request: StepRequest): Promise<StepResponse> {
  const response = await fetch(ENGINE_URL, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify(request),
  });

  if (!response.ok) {
    throw new Error(`Engine returned ${response.status}`);
  }

  return response.json() as Promise<StepResponse>;
}