import { Injectable } from '@angular/core';
import { Subject } from 'rxjs';
import { SortByOptions } from '../../../../bizmatch-server/src/models/db.model';
import { BusinessListingCriteria, CommercialPropertyListingCriteria, UserListingCriteria } from '../../../../bizmatch-server/src/models/main.model';
import { getCriteriaProxy } from '../utils/utils';

@Injectable({
  providedIn: 'root',
})
export class SearchService {
  private criteriaSource = new Subject<{
    criteria: BusinessListingCriteria | CommercialPropertyListingCriteria | UserListingCriteria;
    sortBy?: SortByOptions;
  }>();
  currentCriteria = this.criteriaSource.asObservable();

  constructor() {}

  search(criteriaType: 'businessListings' | 'commercialPropertyListings' | 'brokerListings'): void {
    const criteria = getCriteriaProxy(criteriaType, this);
    const storedSortBy =
      criteriaType === 'businessListings'
        ? sessionStorage.getItem('businessSortBy')
        : criteriaType === 'commercialPropertyListings'
        ? sessionStorage.getItem('commercialSortBy')
        : sessionStorage.getItem('professionalsSortBy');
    const sortBy = storedSortBy && storedSortBy !== 'null' ? (storedSortBy as SortByOptions) : null;
    this.criteriaSource.next({ criteria, sortBy });
  }
}