/*
 * Copyright 2002-2012 the original author or authors.
 *
 * 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 org.springframework.security.web.authentication.rememberme;

import static org.junit.Assert.*;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.*;

import java.sql.Timestamp;
import java.util.Date;
import java.util.List;
import java.util.Map;

import org.apache.commons.logging.Log;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;
import org.springframework.dao.EmptyResultDataAccessException;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.datasource.SingleConnectionDataSource;
import org.springframework.test.util.ReflectionTestUtils;

/**
 * @author Luke Taylor
 */
@RunWith(MockitoJUnitRunner.class)
public class JdbcTokenRepositoryImplTests {
	@Mock
	private Log logger;

	private static SingleConnectionDataSource dataSource;
	private JdbcTokenRepositoryImpl repo;
	private JdbcTemplate template;

	@BeforeClass
	public static void createDataSource() {
		dataSource = new SingleConnectionDataSource("jdbc:hsqldb:mem:tokenrepotest",
				"sa", "", true);
		dataSource.setDriverClassName("org.hsqldb.jdbc.JDBCDriver");
	}

	@AfterClass
	public static void clearDataSource() throws Exception {
		dataSource.destroy();
		dataSource = null;
	}

	@Before
	public void populateDatabase() {
		repo = new JdbcTokenRepositoryImpl();
		ReflectionTestUtils.setField(repo, "logger", logger);
		repo.setDataSource(dataSource);
		repo.initDao();
		template = repo.getJdbcTemplate();
		template.execute("create table persistent_logins (username varchar(100) not null, "
				+ "series varchar(100) not null, token varchar(500) not null, last_used timestamp not null)");
	}

	@After
	public void clearData() {
		template.execute("drop table persistent_logins");
	}

	@Test
	public void createNewTokenInsertsCorrectData() {
		Date currentDate = new Date();
		PersistentRememberMeToken token = new PersistentRememberMeToken("joeuser",
				"joesseries", "atoken", currentDate);
		repo.createNewToken(token);

		Map<String, Object> results = template
				.queryForMap("select * from persistent_logins");

		assertEquals(currentDate, results.get("last_used"));
		assertEquals("joeuser", results.get("username"));
		assertEquals("joesseries", results.get("series"));
		assertEquals("atoken", results.get("token"));
	}

	@Test
	public void retrievingTokenReturnsCorrectData() {

		template.execute("insert into persistent_logins (series, username, token, last_used) values "
				+ "('joesseries', 'joeuser', 'atoken', '2007-10-09 18:19:25.000000000')");
		PersistentRememberMeToken token = repo.getTokenForSeries("joesseries");

		assertEquals("joeuser", token.getUsername());
		assertEquals("joesseries", token.getSeries());
		assertEquals("atoken", token.getTokenValue());
		assertEquals(Timestamp.valueOf("2007-10-09 18:19:25.000000000"), token.getDate());
	}

	@Test
	public void retrievingTokenWithDuplicateSeriesReturnsNull() {
		template.execute("insert into persistent_logins (series, username, token, last_used) values "
				+ "('joesseries', 'joeuser', 'atoken2', '2007-10-19 18:19:25.000000000')");
		template.execute("insert into persistent_logins (series, username, token, last_used) values "
				+ "('joesseries', 'joeuser', 'atoken', '2007-10-09 18:19:25.000000000')");

		// List results =
		// template.queryForList("select * from persistent_logins where series = 'joesseries'");

		assertNull(repo.getTokenForSeries("joesseries"));
	}

	// SEC-1964
	@Test
	public void retrievingTokenWithNoSeriesReturnsNull() {
		when(logger.isDebugEnabled()).thenReturn(true);

		assertNull(repo.getTokenForSeries("missingSeries"));

		verify(logger).isDebugEnabled();
		verify(logger).debug(
				eq("Querying token for series 'missingSeries' returned no results."),
				any(EmptyResultDataAccessException.class));
		verifyNoMoreInteractions(logger);
	}

	@Test
	public void removingUserTokensDeletesData() {
		template.execute("insert into persistent_logins (series, username, token, last_used) values "
				+ "('joesseries2', 'joeuser', 'atoken2', '2007-10-19 18:19:25.000000000')");
		template.execute("insert into persistent_logins (series, username, token, last_used) values "
				+ "('joesseries', 'joeuser', 'atoken', '2007-10-09 18:19:25.000000000')");

		// List results =
		// template.queryForList("select * from persistent_logins where series = 'joesseries'");

		repo.removeUserTokens("joeuser");

		List<Map<String, Object>> results = template
				.queryForList("select * from persistent_logins where username = 'joeuser'");

		assertEquals(0, results.size());
	}

	@Test
	public void updatingTokenModifiesTokenValueAndLastUsed() {
		Timestamp ts = new Timestamp(System.currentTimeMillis() - 1);
		template.execute("insert into persistent_logins (series, username, token, last_used) values "
				+ "('joesseries', 'joeuser', 'atoken', '" + ts.toString() + "')");
		repo.updateToken("joesseries", "newtoken", new Date());

		Map<String, Object> results = template
				.queryForMap("select * from persistent_logins where series = 'joesseries'");

		assertEquals("joeuser", results.get("username"));
		assertEquals("joesseries", results.get("series"));
		assertEquals("newtoken", results.get("token"));
		Date lastUsed = (Date) results.get("last_used");
		assertTrue(lastUsed.getTime() > ts.getTime());
	}

	@Test
	public void createTableOnStartupCreatesCorrectTable() {
		template.execute("drop table persistent_logins");
		repo = new JdbcTokenRepositoryImpl();
		repo.setDataSource(dataSource);
		repo.setCreateTableOnStartup(true);
		repo.initDao();

		template.queryForList("select username,series,token,last_used from persistent_logins");
	}

	// SEC-2879
	@Test
	public void updateUsesLastUsed() {
		JdbcTemplate template = mock(JdbcTemplate.class);
		Date lastUsed = new Date(1424841314059L);
		JdbcTokenRepositoryImpl repository = new JdbcTokenRepositoryImpl();
		repository.setJdbcTemplate(template);

		repository.updateToken("series", "token", lastUsed);

		verify(template).update(anyString(), anyString(), eq(lastUsed), anyString());
	}

}
