import { Injectable } from "@angular/core";
import { HttpInterceptor, HttpRequest, HttpHandler, HttpEvent, HttpErrorResponse } from "@angular/common/http";
import { Observable, throwError } from "rxjs";
import { catchError } from "rxjs/operators";
import { StorageService } from './storage.service';
import { CartService } from "./cart.service";
import { NavController } from "@ionic/angular";

@Injectable({
  providedIn: "root",
})
export class AuthInterceptorService implements HttpInterceptor {
  constructor(private storage: StorageService, public cartProvider: CartService, public navCtrl: NavController) {}

  intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
    // const token: string = localStorage.getItem('token');

    let request = req;

    // if (token) {
    //   request = req.clone({
    //     setHeaders: {
    //       authorization: `Bearer ${ token }`
    //     }
    //   });
    // }

    return next.handle(request).pipe(
      catchError((err: HttpErrorResponse) => {
        if (err.status === 401) {
          this.cartProvider.deleteAllProductsCart();
          this.storage.clear();
          this.navCtrl.navigateRoot("/city-connection");
        }
        return throwError(err);
      })
    );
  }
}