// Fetches StaffLDB Data, correctly formats DATE fields and returns the data

import { getApiUrl } from '$lib/scripts/upstream';
import { uuid } from '$lib/stores/uuid';
import type { ApiResponse, StaffLdb } from '@owlboard/ts-types';

// Fetch StaffLDB Data, and returns the data after hydration (convert date types etc.)
export async function fetchStaffLdb(station: string): Promise<ApiResponse<StaffLdb>> {
  const url = `${getApiUrl()}/api/v2/live/station/${station}/staff`;

  let uuid_value: string = '';
  const unsubscribe = uuid.subscribe((value) => {
    uuid_value = value;
  });

  const fetchOpts = {
    method: 'GET',
    headers: {
      uuid: uuid_value
    }
  };
  const res = await fetch(url, fetchOpts);
  unsubscribe();
  const resJs = await res.json();
  return parseFormat(JSON.stringify(resJs));
}

// Parse dates within the JSON response
function parseFormat(jsonString: any): ApiResponse<StaffLdb> {
  return JSON.parse(jsonString, (key, value) => {
    if (typeof value === 'string') {
      const dateRegex = /^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}.\d{3}Z$/;
      if (dateRegex.test(value)) {
        return new Date(value);
      }
    }
    return value;
  });
}