/**
 *
 * ============LICENSE_START====================================================
 * org.onap.aaf
 * ===========================================================================
 * Copyright (c) 2018 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====================================================
 *
 */

package org.onap.aaf.cadi.lur.test;

import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.when;

import java.security.Principal;
import java.util.ArrayList;
import java.util.List;

import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.onap.aaf.cadi.CachingLur;
import org.onap.aaf.cadi.CadiException;
import org.onap.aaf.cadi.CredVal;
import org.onap.aaf.cadi.Lur;
import org.onap.aaf.cadi.Permission;
import org.onap.aaf.cadi.lur.EpiLur;

public class JU_EpiLur {

	private ArrayList<Permission> perms;
	private CredValStub lurMock3;

	@Mock private Lur lurMock1;
	@Mock private CachingLur<?> lurMock2;
	@Mock private Principal princMock;
	@Mock private Permission permMock;

	@Before
	public void setup() {
		MockitoAnnotations.initMocks(this);

		perms = new ArrayList<>();
		perms.add(permMock);

		lurMock3 = new CredValStub();
	}

	@Test
	public void test() throws CadiException {
		EpiLur lur;
		try {
			lur = new EpiLur();
		} catch (CadiException e) {
			assertThat(e.getMessage(), is("Need at least one Lur implementation in constructor"));
		}
		lur = new EpiLur(lurMock1, lurMock2, lurMock3);
		assertThat(lur.fish(null,  null), is(false));

		assertThat(lur.fish(princMock, permMock), is(false));

		when(lurMock2.handlesExclusively(permMock)).thenReturn(true);
		assertThat(lur.fish(princMock, permMock), is(false));

		when(lurMock2.fish(princMock, permMock)).thenReturn(true);
		assertThat(lur.fish(princMock, permMock), is(true));

		lur.fishAll(princMock, perms);

		assertThat(lur.handlesExclusively(permMock), is(false));

		assertThat(lur.get(-1), is(nullValue()));
		assertThat(lur.get(0), is(lurMock1));
		assertThat(lur.get(1), is((Lur)lurMock2));
		assertThat(lur.get(2), is((Lur)lurMock3));
		assertThat(lur.get(3), is(nullValue()));

		assertThat(lur.handles(princMock), is(false));
		when(lurMock2.handles(princMock)).thenReturn(true);
		assertThat(lur.handles(princMock), is(true));

		lur.remove("id");

		lur.clear(princMock, null);

		assertThat(lur.createPerm("perm"), is(not(nullValue())));

		lur.getUserPassImpl();
		assertThat(lur.getUserPassImpl(), is((CredVal)lurMock3));

		lur.toString();
		lur.destroy();

		lur = new EpiLur(lurMock1, lurMock2);
		assertThat(lur.getUserPassImpl(), is(nullValue()));

		assertThat(lur.subLur(Lur.class), is(nullValue()));
	}

	private class CredValStub implements Lur, CredVal {
		@Override public boolean validate(String user, Type type, byte[] cred, Object state) { return false; }
		@Override public Permission createPerm(String p) { return null; }
		@Override public boolean fish(Principal bait, Permission ... pond) { return false; }
		@Override public void fishAll(Principal bait, List<Permission> permissions) { }
		@Override public void destroy() { }
		@Override public boolean handlesExclusively(Permission ... pond) { return false; }
		@Override public boolean handles(Principal principal) { return false; }
		@Override public void clear(Principal p, StringBuilder report) { }
	}

}