import { Injectable } from '@angular/core';
import { ActivatedRouteSnapshot } from '@angular/router';
import { Observable } from 'rxjs/internal/Observable';

import { EntriesService } from './entries.service';
import { Report } from './report';

@Injectable({
  providedIn: 'root',
})
export class EntriesResolver {
  constructor(private ser: EntriesService) {}

  resolve(route: ActivatedRouteSnapshot): Observable<Report> {
    const start_date = route.queryParamMap.get('s');
    const finish_date = route.queryParamMap.get('f');
    const posted =
      route.queryParamMap.get('p') === null ? null : route.queryParamMap.get('p') === 'true';
    const page_size =
      route.queryParamMap.get('ps') === null ? 50 : +(route.queryParamMap.get('ps') as string);
    const page_index =
      route.queryParamMap.get('pi') === null ? 0 : +(route.queryParamMap.get('pi') as string);
    const sort = route.queryParamMap.get('a') ?? 'date';
    const direction = route.queryParamMap.get('d') ?? 'desc';
    const issue_vouchers =
      route.queryParamMap.get('i') === null ? false : route.queryParamMap.get('i') === 'true';
    return this.ser.list(
      start_date,
      finish_date,
      posted,
      page_size,
      page_index,
      sort,
      direction,
      issue_vouchers,
    );
  }
}