import { fetchJson } from '../../auth/api-client';
import type {
  HydrogenKpi, HydrogenStationTop, HydrogenRegionShare, HydrogenMonthlyPoint, HydrogenDailyRow,
  ElectricKpi, ElectricDailyRow, ElectricMonthGroup,
  CustomerType, DateQuickPick,
} from './types';

const BASE = '/api/energy';

export interface HydrogenOverviewResponse {
  kpi: HydrogenKpi;
  top5: HydrogenStationTop[];
  regions: HydrogenRegionShare[];
  monthly: HydrogenMonthlyPoint[];
}

export function fetchHydrogenOverview(): Promise<HydrogenOverviewResponse> {
  return fetchJson<HydrogenOverviewResponse>(`${BASE}/hydrogen/overview`);
}

export function fetchHydrogenDaily(range: DateQuickPick, customer: CustomerType): Promise<HydrogenDailyRow[]> {
  const q = new URLSearchParams({ range, customer });
  return fetchJson<HydrogenDailyRow[]>(`${BASE}/hydrogen/daily?${q.toString()}`);
}

export interface ElectricOverviewResponse {
  kpi: ElectricKpi;
  trend: ElectricDailyRow[];
}

export function fetchElectricOverview(): Promise<ElectricOverviewResponse> {
  return fetchJson<ElectricOverviewResponse>(`${BASE}/electric/overview`);
}

export function fetchElectricMonthly(customer: CustomerType, range: DateQuickPick = 'last15'): Promise<ElectricMonthGroup[]> {
  const q = new URLSearchParams({ customer, range });
  return fetchJson<ElectricMonthGroup[]>(`${BASE}/electric/monthly?${q.toString()}`);
}