import * as R from 'ramda';
import {split} from '@ywfe/utils';
import { HistoryState } from '../router.interface';
import * as CONTANTS from '../contants';
import {matchParams} from './matchParams';

export const reduceUrl = (url: string): HistoryState => {
  if (url === '/') {
    return {
      title: CONTANTS.DEFAULT_TITLE,
      url: '/',
      path: '/',
      search: '',
      params: {}
    };
  }
  const urls = split('?', url);
  const newUrl = R.dropLastWhile<string>(x => x === '/', urls[0] as any) as any;
  const total = R.match(/\//g, newUrl).length;
  const search = urls[1] || '';
  if(total === 1) {
    return {
      title: CONTANTS.DEFAULT_TITLE,
      url,
      path: newUrl,
      search: '',
      params: {}
    };
  }
  const params = matchParams(newUrl, '/:moduleName/:moduleId/:menu?');
  const {moduleId, moduleName, menu} = params;
  const res: HistoryState = {
    params: {
      moduleName,
      moduleId,
      menu,
    },
    url,
    path: newUrl,
    parentPath: `/${moduleName}/${moduleId}`,
    search: search ? `?${search}` : ''
  };

  return res;
};