/*
 * 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.backendapi.resources.dto.UserDTO;
import com.epam.dlab.backendapi.service.UserSettingService;
import io.dropwizard.auth.AuthenticationException;
import io.dropwizard.testing.junit.ResourceTestRule;
import org.apache.http.HttpHeaders;
import org.apache.http.HttpStatus;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;

import javax.ws.rs.client.Entity;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;

import static java.util.Collections.singletonList;
import static org.junit.Assert.*;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyString;
import static org.mockito.Matchers.eq;
import static org.mockito.Matchers.refEq;
import static org.mockito.Mockito.*;

public class UserSettingsResourceTest extends TestBase {

	private UserSettingService userSettingService = mock(UserSettingService.class);

	@Rule
	public final ResourceTestRule resources =
			getResourceTestRuleInstance(new UserSettingsResource(userSettingService));

	@Before
	public void setup() throws AuthenticationException {
		authSetup();
	}

	@Test
	public void getSettings() {
		when(userSettingService.getUISettings(any(UserInfo.class))).thenReturn("someSettings");
		final Response response = resources.getJerseyTest()
				.target("/user/settings")
				.request()
				.header("Authorization", "Bearer " + TOKEN)
				.get();

		assertEquals(HttpStatus.SC_OK, response.getStatus());
		assertEquals("someSettings", response.readEntity(String.class));
		assertEquals(MediaType.APPLICATION_JSON, response.getHeaderString(HttpHeaders.CONTENT_TYPE));

		verify(userSettingService).getUISettings(refEq(getUserInfo()));
		verifyNoMoreInteractions(userSettingService);
	}

	@Test
	public void getSettingsWithFailedAuth() throws AuthenticationException {
		authFailSetup();
		when(userSettingService.getUISettings(any(UserInfo.class))).thenReturn("someSettings");
		final Response response = resources.getJerseyTest()
				.target("/user/settings")
				.request()
				.header("Authorization", "Bearer " + TOKEN)
				.get();

		assertEquals(HttpStatus.SC_OK, response.getStatus());
		assertEquals("someSettings", response.readEntity(String.class));
		assertEquals(MediaType.APPLICATION_JSON, response.getHeaderString(HttpHeaders.CONTENT_TYPE));

		verify(userSettingService).getUISettings(refEq(getUserInfo()));
		verifyNoMoreInteractions(userSettingService);
	}

	@Test
	public void saveSettings() {
		doNothing().when(userSettingService).saveUISettings(any(UserInfo.class), anyString());
		final Response response = resources.getJerseyTest()
				.target("/user/settings")
				.request()
				.header("Authorization", "Bearer " + TOKEN)
				.post(Entity.json("someSettings"));

		assertEquals(HttpStatus.SC_OK, response.getStatus());
		assertNull(response.getHeaderString(HttpHeaders.CONTENT_TYPE));

		verify(userSettingService).saveUISettings(refEq(getUserInfo()), eq("someSettings"));
		verifyNoMoreInteractions(userSettingService);
	}

	@Test
	public void saveSettingsWithFailedAuth() throws AuthenticationException {
		authFailSetup();
		doNothing().when(userSettingService).saveUISettings(any(UserInfo.class), anyString());
		final Response response = resources.getJerseyTest()
				.target("/user/settings")
				.request()
				.header("Authorization", "Bearer " + TOKEN)
				.post(Entity.json("someSettings"));

		assertEquals(HttpStatus.SC_OK, response.getStatus());
		assertNull(response.getHeaderString(HttpHeaders.CONTENT_TYPE));

		verify(userSettingService).saveUISettings(refEq(getUserInfo()), eq("someSettings"));
		verifyNoMoreInteractions(userSettingService);
	}

	@Test
	public void saveSettingsWithException() {
		doThrow(new RuntimeException()).when(userSettingService).saveUISettings(any(UserInfo.class), anyString());
		final Response response = resources.getJerseyTest()
				.target("/user/settings")
				.request()
				.header("Authorization", "Bearer " + TOKEN)
				.post(Entity.json("someSettings"));

		assertEquals(HttpStatus.SC_INTERNAL_SERVER_ERROR, response.getStatus());
		assertTrue(response.readEntity(String.class).contains("{\"code\":500,\"message\":\"There was an error " +
				"processing your request. It has been logged"));
		assertEquals(MediaType.APPLICATION_JSON, response.getHeaderString(HttpHeaders.CONTENT_TYPE));

		verify(userSettingService).saveUISettings(refEq(getUserInfo()), eq("someSettings"));
		verifyNoMoreInteractions(userSettingService);
	}

	@Test
	public void saveAllowedBudget() {
		doNothing().when(userSettingService).saveUISettings(any(UserInfo.class), anyString());
		final Response response = resources.getJerseyTest()
				.target("/user/settings/budget")
				.request()
				.header("Authorization", "Bearer " + TOKEN)
				.put(Entity.json(singletonList(new UserDTO(USER, 10, UserDTO.Status.ACTIVE))));

		assertEquals(HttpStatus.SC_OK, response.getStatus());
		assertNull(response.getHeaderString(HttpHeaders.CONTENT_TYPE));

		verify(userSettingService).updateUsersBudget(singletonList(new UserDTO(USER, 10, UserDTO.Status.ACTIVE)));
		verifyNoMoreInteractions(userSettingService);
	}
}