import { HttpInterceptorFn } from '@angular/common/http';

const TOKEN_KEY = 'token';

export const httpInterceptor: HttpInterceptorFn = (req, next) => {
  const token = localStorage.getItem(TOKEN_KEY);

  // Always add CORS headers
  if (token) {
    return next(
      req.clone({
        setHeaders: {
          Authorization: `Bearer ${token}`,
          'Referrer-Policy': 'no-referrer',
          'Access-Control-Allow-Origin': '*',
          'Access-Control-Allow-Methods': 'GET, POST, PUT, DELETE, OPTIONS',
          'Access-Control-Allow-Headers': '*',
        },
      })
    );
  } else {
    return next(
      req.clone({
        setHeaders: {
          'Access-Control-Allow-Origin': '*',
          'Access-Control-Allow-Methods': 'GET, POST, PUT, DELETE, OPTIONS',
          'Access-Control-Allow-Headers': '*',
        },
      })
    );
  }
};