const API_BASE = 'http://192.168.1.195:8000'
const DEV_EUI = '0586fe41112d83d9';

async function fetchConsumption({ start, end, granularity }) {
  const params = new URLSearchParams({ start, end, granularity });
  const url = `${API_BASE}/readings/${DEV_EUI}?${params}`;

  const result = await fetch(url);
  if (!result.ok) {
    const err = await result.json().catch(() => ({}));
    throw new Error(err.detail || `Erreur HTTP ${result.status}`);
  }
  const raw = await result.json();

  return raw.points;
}