/*
 * Copyright (C) 2015 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package keywhiz.service.providers;

import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import javax.ws.rs.NotAuthorizedException;
import javax.ws.rs.core.Cookie;
import keywhiz.auth.User;
import keywhiz.auth.cookie.CookieAuthenticator;
import keywhiz.auth.cookie.CookieConfig;
import org.glassfish.jersey.server.ContainerRequest;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnit;
import org.mockito.junit.MockitoRule;

import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.when;

public class UserAuthFactoryTest {
  @Rule public MockitoRule mockito = MockitoJUnit.rule();

  @Mock ContainerRequest request;
  @Mock CookieAuthenticator cookieAuthenticator;

  Map<String, Cookie> cookies;
  UserAuthFactory factory;

  @Before public void setUp() throws Exception {
    cookies = new HashMap<>();
    when(request.getCookies()).thenReturn(cookies);

    CookieConfig cookieConfig = new CookieConfig();
    cookieConfig.setName("session");

    factory = new UserAuthFactory(cookieAuthenticator, cookieConfig);
  }

  @Test(expected = NotAuthorizedException.class)
  public void noSessionCookie() throws Exception {
    cookies.put("not-session", new Cookie("not-session", "value"));

    factory.provide(request);
  }

  @Test(expected = NotAuthorizedException.class)
  public void invalidSessionCookie() throws Exception {
    Cookie badSessionCookie = new Cookie("session", "bad-value");
    cookies.put(badSessionCookie.getName(), badSessionCookie);

    when(cookieAuthenticator.authenticate(badSessionCookie)).thenReturn(Optional.empty());

    factory.provide(request);
  }

  @Test public void successfulAuth() throws Exception {
    User user = User.named("username");
    Cookie sessionCookie = new Cookie("session", "valid-session");
    cookies.put(sessionCookie.getName(), sessionCookie);

    when(cookieAuthenticator.authenticate(sessionCookie)).thenReturn(Optional.of(user));

    assertThat(factory.provide(request)).isEqualTo(user);
  }
}