import { HttpErrorResponse, HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from '@angular/common/http';
import { Injectable } from '@angular/core';
import { Router } from '@angular/router';
import { Observable, throwError } from 'rxjs';
import { catchError } from 'rxjs/operators';

@Injectable()
export class AuthInterceptor implements HttpInterceptor {
  constructor(private router: Router) {}

  intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
    return next.handle(req).pipe(
      catchError((error: HttpErrorResponse) => {
        if (error && error.status === 402) {
          this.router.navigate(['/setup']);
        } else if (error && (error.status === 401 || error.status === 403)) {
          this.router.navigate(['/login']);
        }
        return throwError(error);
      })
    );
  }
}