import { environment } from './../../environments/environment';
import { Injectable } from '@angular/core';
import {
  HttpRequest,
  HttpHandler,
  HttpEvent,
  HttpInterceptor,
} from '@angular/common/http';
import { Observable } from 'rxjs';

import { AuthService } from './services/auth.service';

@Injectable()
export class TokenIntercept implements HttpInterceptor {
  constructor(private authService: AuthService) {}

  intercept(
    request: HttpRequest<any>,
    next: HttpHandler
  ): Observable<HttpEvent<any>> {
    if (request.url.startsWith(environment['apiBaseUrl'] + '/api')) {
      const token = this.authService.getToken();
      const headers = {};

      if (token !== null) {
        headers['Authorization'] = 'Bearer ' + token;
      }

      const modified = request.clone({
        setHeaders: headers,
      });
      return next.handle(modified);
    } else {
      return next.handle(request);
    }
  }
}