/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 com.epam.dlab.backendapi.resources;

import com.epam.dlab.auth.UserInfo;
import com.epam.dlab.rest.mappers.ResourceNotFoundExceptionMapper;
import io.dropwizard.auth.*;
import io.dropwizard.auth.oauth.OAuthCredentialAuthFilter;
import io.dropwizard.testing.junit.ResourceTestRule;
import org.glassfish.jersey.media.multipart.MultiPartFeature;
import org.glassfish.jersey.server.filter.RolesAllowedDynamicFeature;
import org.glassfish.jersey.test.grizzly.GrizzlyWebTestContainerFactory;

import java.util.Optional;

import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

public class TestBase {

	protected final String TOKEN = "TOKEN";
	protected final String USER = "testUser";
	@SuppressWarnings("unchecked")
	private static Authenticator<String, UserInfo> authenticator = mock(Authenticator.class);
	@SuppressWarnings("unchecked")
	private static Authorizer<UserInfo> authorizer = mock(Authorizer.class);

	protected <T> ResourceTestRule getResourceTestRuleInstance(T resourceInstance) {
		return ResourceTestRule.builder()
				.bootstrapLogging(false)
				.setTestContainerFactory(new GrizzlyWebTestContainerFactory())
				.addProvider(new AuthDynamicFeature(new OAuthCredentialAuthFilter.Builder<UserInfo>()
						.setAuthenticator(authenticator)
						.setAuthorizer(authorizer)
						.setRealm("SUPER SECRET STUFF")
						.setPrefix("Bearer")
						.buildAuthFilter()))
				.addProvider(RolesAllowedDynamicFeature.class)
				.addProvider(new ResourceNotFoundExceptionMapper())
				.addProvider(new AuthValueFactoryProvider.Binder<>(UserInfo.class))
				.addProvider(MultiPartFeature.class)
				.addResource(resourceInstance)
				.build();
	}

	protected void authSetup() throws AuthenticationException {
		when(authenticator.authenticate(TOKEN)).thenReturn(Optional.of(getUserInfo()));
		when(authorizer.authorize(any(), any())).thenReturn(true);
	}

	protected void authFailSetup() throws AuthenticationException {
		when(authenticator.authenticate(TOKEN)).thenReturn(Optional.of(getUserInfo()));
		when(authorizer.authorize(any(), any())).thenReturn(false);
	}

	protected UserInfo getUserInfo() {
		return new UserInfo(USER, TOKEN);
	}
}