import { api } from './client';

export interface DeviceWithSite {
  id: string;
  name: string;
  externalId: string;
  isActive: boolean;
  siteId: string;
  siteName: string;
}

export interface RawMeasurementRow {
  time: string;
  deviceName: string;
  siteName: string | null;
  activePowerKw: number;
  reactivePowerKvar: number | null;
  apparentPowerKva: number | null;
  powerFactor: number | null;
  voltageV: number | null;
  frequencyHz: number | null;
  energyImportedKwh: number | null;
  energyExportedKwh: number | null;
}

export interface RawMeasurementsPage {
  totalCount: number;
  limit: number;
  offset: number;
  rows: RawMeasurementRow[];
}

export async function listAllDevices(): Promise<DeviceWithSite[]> {
  const { data } = await api.get<DeviceWithSite[]>('/sites/devices');
  return data;
}

export async function fetchRawMeasurements(params: {
  fromUtc: string;
  toUtc: string;
  deviceIds?: string[];
  limit?: number;
  offset?: number;
}): Promise<RawMeasurementsPage> {
  const { data } = await api.get<RawMeasurementsPage>('/measurements/raw', {
    params: {
      from: params.fromUtc,
      to: params.toUtc,
      deviceIds: params.deviceIds && params.deviceIds.length > 0 ? params.deviceIds.join(',') : undefined,
      limit: params.limit,
      offset: params.offset,
    },
  });
  return data;
}

export function downloadRawMeasurementsExport(params: {
  fromUtc: string;
  toUtc: string;
  deviceIds?: string[];
  rowCap?: number;
}) {
  const q = new URLSearchParams({
    from: params.fromUtc,
    to: params.toUtc,
  });
  if (params.deviceIds && params.deviceIds.length > 0) q.set('deviceIds', params.deviceIds.join(','));
  if (params.rowCap) q.set('rowCap', String(params.rowCap));
  window.location.href = `/api/measurements/raw/export.xlsx?${q.toString()}`;
}