/**
 * ============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.cm.test;

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

import java.io.File;
import java.io.IOException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.util.ArrayList;
import java.util.List;

import org.junit.AfterClass;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.onap.aaf.cadi.CadiException;
import org.onap.aaf.cadi.cm.ArtifactDir;
import org.onap.aaf.cadi.util.Chmod;
import org.onap.aaf.misc.env.Trans;

import certman.v1_0.Artifacts.Artifact;
import certman.v1_0.CertInfo;

public class JU_ArtifactDir {

	@Mock private Trans transMock;
	@Mock private CertInfo certInfoMock;
	@Mock private Artifact artiMock;
	
	private static final String dirName = "src/test/resources/artifacts";
	private static final String nsName = "org.onap.test";
	private static final String luggagePassword = "12345";  // That's the stupidest combination I've ever heard in my life

	private List<String> issuers;

	@Before
	public void setup() {
		MockitoAnnotations.initMocks(this);
		
		issuers = new ArrayList<>();
		issuers.add("issuer1");
		issuers.add("issuer2");
	}
	
	@AfterClass
	public static void tearDownOnce() {
		cleanup();
		ArtifactDir.clear();
	}

	@Test
	public void test() throws CadiException, IOException, KeyStoreException, NoSuchAlgorithmException, CertificateException {
		ArtifactDirStud artiDir = new ArtifactDirStud();

		try {
			artiDir.place(transMock, certInfoMock, artiMock, "machine");
			fail("Should've thrown an exception");
		} catch (CadiException e) {
			assertThat(e.getMessage(), is("File Artifacts require a path\nFile Artifacts require an AAF Namespace"));
		}
		
		when(artiMock.getDir()).thenReturn(dirName);
		try {
			artiDir.place(transMock, certInfoMock, artiMock, "machine");
			fail("Should've thrown an exception");
		} catch (CadiException e) {
			assertThat(e.getMessage(), is("File Artifacts require an AAF Namespace"));
		}
		
		when(artiMock.getNs()).thenReturn(nsName);
		when(certInfoMock.getCaIssuerDNs()).thenReturn(issuers);
		when(certInfoMock.getChallenge()).thenReturn(luggagePassword);
		artiDir.place(transMock, certInfoMock, artiMock, "machine");
		
		File writableFile = new File(dirName + '/' + nsName + "writable.txt");
		artiDir.write(writableFile, Chmod.to755, "first data point", "second data point");
		try {
			artiDir.write(writableFile, Chmod.to755, (String[])null);
			fail("Should've thrown an exception");
		} catch(NullPointerException e) {
		}
		
		KeyStore ks = KeyStore.getInstance("pkcs12");
		try {
			artiDir.write(writableFile, Chmod.to755, ks, luggagePassword.toCharArray());
			fail("Should've thrown an exception");
		} catch(CadiException e) {
		}
		
		ks.load(null, null);
		artiDir.write(writableFile, Chmod.to755, ks, luggagePassword.toCharArray());
		
		ArtifactDirStud artiDir2 = new ArtifactDirStud();
		artiDir2.place(transMock, certInfoMock, artiMock, "machine");

		// coverage
		artiDir.place(transMock, certInfoMock, artiMock, "machine");

		ArtifactDir.clear();
		artiDir.place(transMock, certInfoMock, artiMock, "machine");
	
	}

	@Test
	public void throwsTest() throws CadiException {
		ArtifactDirStud artiDir = new ArtifactDirStud();
		when(artiMock.getDir()).thenReturn(dirName);
		when(artiMock.getNs()).thenReturn(nsName);
		assertTrue(artiDir.place(transMock, certInfoMock, artiMock, "machine"));
	}

	private class ArtifactDirStud extends ArtifactDir {
		@Override
		protected boolean _place(Trans trans, CertInfo certInfo, Artifact arti) throws CadiException {
			// This is only here so that we have a concrete class to test
			return false;
		}
		
		// Expose the protected methods

		public  void write(File f, Chmod c, String ... data) throws IOException {
			super.write(f, c, data);
		}
		public void write(File f, Chmod c, KeyStore ks, char[] pass ) throws IOException, CadiException {
			super.write(f, c, ks, pass);
		}
	}

	private static void cleanup() {
		File dir = new File(dirName);
		if (dir.exists()) {
			for (File f : dir.listFiles()) {
				f.delete();
			}
			dir.delete();
		}
	}

}