export const BASE = import.meta.env.DEV ? 'http://10.69.5.23' : ''

export type DataRow = Record<string, number | string | null>

const cache: any = {};

async function get<T>(path: string, params: Record<string, string> = {}): Promise<T> {
  const url = new URL(`${BASE}${path}`, window.location.origin)
  Object.entries(params).forEach(([k, v]) => url.searchParams.set(k, v))
  if(cache[url.toString()]) return cache[url.toString()];
  cache[url.toString()] = await fetch(url.toString()).then(resp => resp.json()).finally(() => { delete cache[url.toString()]; });
  return cache[url.toString()]
}

export const api = {
  position: (fields?: string) => get<{latitude: number, longitude: number, altitude: number}>('/api/position', fields ? { fields } : {}),
  current:  (fields?: string)                                     => get<DataRow>('/api/current', fields ? { fields } : {}),
  hourly:   (start?: string, end?: string, fields?: string)      => get<DataRow[]>('/api/hourly', { ...(start ? { start } : {}), ...(end ? { end } : {}), ...(fields ? { fields } : {}) }),
  daily:    (start?: string, end?: string, fields?: string)      => get<DataRow[]>('/api/daily',  { ...(start ? { start } : {}), ...(end ? { end } : {}), ...(fields ? { fields } : {}) }),
}