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

@Injectable()
export class ErrorInterceptor implements HttpInterceptor {
    constructor(private message: MessageService) { }

    intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {        
        return next.handle(request).pipe(catchError(err => {
            if (err.status === 401) {
                localStorage.removeItem('access_token');
                localStorage.removeItem('user');
                //this.loginService.logout();
                location.reload(true);
                return;
            }
            const error = err.message || err.statusText;
            this.message.snackBar(error);
            return throwError(err);
        }))
    }
}