graycoreio/daffodil

import { Observable } from 'rxjs';

import { createSingletonInjectionToken } from '@daffodil/core';
import { DaffCountry } from '@daffodil/geography';

export const {
  token: DaffGeographyDriver,
  /**
   * Provider function for {@link DaffGeographyDriver}.
   */
  provider: provideDaffGeographyDriver,
} = createSingletonInjectionToken<DaffGeographyServiceInterface>('DaffGeographyDriver');

export interface DaffGeographyServiceInterface<T extends DaffCountry = DaffCountry> {
  /**
   * Retrieves the list of countries available to the given store.
   */
  list(): Observable<T[]>;

  /**
   * Retrieve precise information about a specific country.
   */
  get(id: T['id']): Observable<T>;
}