/*******************************************************************************
 * ============LICENSE_START====================================================
 * * org.onap.aaf
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 * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
 * * ===========================================================================
 * * 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.
 * * ============LICENSE_END====================================================
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package org.onap.aaf.cadi.principal.test;

import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.mockito.Mockito.when;
import static org.mockito.Mockito.mock;
import org.junit.*;

import java.io.IOException;
import java.util.Date;

import org.onap.aaf.cadi.BasicCred;
import org.onap.aaf.cadi.Symm;
import org.onap.aaf.cadi.principal.BasicPrincipal;

public class JU_BasicPrincipal {

	@Test
	public void Constructor1Test() throws Exception {
		// Test that everything works when the content doesn't contain "Basic"
		BasicPrincipal bp = new BasicPrincipal("content", "domain");
		assertThat(bp.getName(), is("content"));
		assertThat(bp.getCred(), is(nullValue()));

		// Test sending a user without an implicit domain
		String name = "User";
		String password = "password";
		String content = name + ":" + password;
		String domain = "exampledomain.com";
		String encrypted = new String(Symm.base64.encode(content.getBytes()));
		bp = new BasicPrincipal("Basic " + encrypted, domain);
		assertThat(bp.getShortName(), is(name));
		assertThat(bp.getName(), is(name + "@" + domain));
		assertThat(bp.getCred(), is(password.getBytes()));

		// Test sending a user with an implicit domain
		String longName = name + "@" + domain + ":" + password;
		encrypted = new String(Symm.base64.encode(longName.getBytes()));
		bp = new BasicPrincipal("Basic " + encrypted, domain);
		assertThat(bp.getShortName(), is(name));
		assertThat(bp.getName(), is(name + "@" + domain));
		assertThat(bp.getCred(), is(password.getBytes()));

		// Check that an exception is throw if no name is given in the content
		try {
			bp = new BasicPrincipal("Basic " + new String(Symm.base64.encode("no name".getBytes())), "");
			fail("Should have thrown an exception");
		} catch (IOException e) {
			assertThat(e.getMessage(), is("Invalid Coding"));
		}
	}

	@Test
	public void Constructor2Test() {
		String name = "User";
		String password = "password";
		BasicCred bc = mock(BasicCred.class);
		when(bc.getUser()).thenReturn(name);
		when(bc.getCred()).thenReturn(password.getBytes());

		BasicPrincipal bp = new BasicPrincipal(bc, "domain");
		assertThat(bp.getName(), is(name));
		assertThat(bp.getCred(), is(password.getBytes()));
	}

	@Test
	public void accessorsTest() throws IOException {
		String name = "User";
		String password = "password";
		String content = name + ":" + password;
		String domain = "exampledomain.com";
		String encrypted = new String(Symm.base64.encode(content.getBytes()));
		String bearer = "bearer";
		long created = System.currentTimeMillis();
		BasicPrincipal bp = new BasicPrincipal("Basic " + encrypted, domain);
		bp.setBearer(bearer);

		String expected = "Basic Authorization for " + name + "@" + domain + " evaluated on " + new Date(bp.created()).toString();
		assertTrue(Math.abs(bp.created() - created) < 10);
		assertThat(bp.toString(), is(expected));
		assertThat(bp.tag(), is("BAth"));
		assertThat(bp.personalName(), is(bp.getName()));

		// This test hits the abstract class BearerPrincipal
		assertThat(bp.getBearer(), is(bearer));
	}


	@Test
	public void coverageTest() throws IOException {
		String name = "User";
		String password = "password:with:colons";
		String content = name + ":" + password;
		String encrypted = new String(Symm.base64.encode(content.getBytes()));
		@SuppressWarnings("unused")
		BasicPrincipal bp = new BasicPrincipal("Basic " + encrypted, "domain");
	}

}