import { get, RequestOptions } from 'https';
import { URL, URLSearchParams } from 'url';


const URL_BASE = 'https://www.justizadressen.nrw.de/og.php',
  PARAMS_DEFAULT = {
    gerausw: 'ALL',
    suchen: 'Abschicken'
  };


export function competentCourtURL( ort?: string, plz?: string ) {
  const params = {
    ...PARAMS_DEFAULT,
    ort, plz
  };

  const url = new URL( URL_BASE );

  url.search = ( new URLSearchParams( params ) ).toString();

  return url;
}


export function request( url: string | RequestOptions | URL ): Promise<string> {
  return new Promise( ( resolve, reject ) => {
    get( url, response => {

      const { statusCode } = response;

      if ( statusCode !== 200 ) {
        response.resume();
        reject( `Request Failed.\n Status Code: ${ statusCode }` );
        return;
      }

      response.setEncoding( 'utf8' );

      let rawData = '';
      response.on( 'data', chunk => rawData += chunk );
      response.on( 'end', () => resolve( rawData ) );

    } ).on( 'error', reject );
  } );
}

export function baseURL( path: string = '' ) {
  return URL_BASE + path;
}