/*
 * 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 org.apache.ftpserver.clienttests;

import java.io.File;
import java.nio.charset.StandardCharsets;

import org.apache.commons.net.ftp.FTPClientConfig;
import org.apache.ftpserver.test.TestUtil;

/**
*
* @author <a href="http://mina.apache.org">Apache MINA Project</a>
*
*/
public class NLSTTest extends ClientTestTemplate {
    private static final File TEST_FILE1 = new File(ROOT_DIR, "test1.txt");

    private static final File TEST_FILE2 = new File(ROOT_DIR, "test2.txt");

    private static final File TEST_DIR1 = new File(ROOT_DIR, "dir1");

    private static final File TEST_DIR2 = new File(ROOT_DIR, "dir2");

    private static final File TEST_FILE_IN_DIR1 = new File(TEST_DIR1,
            "test3.txt");

    private static final File TEST_DIR_IN_DIR1 = new File(TEST_DIR1, "dir3");

    private byte[] testData;

    /*
     * (non-Javadoc)
     * 
     * @see org.apache.ftpserver.clienttests.ClientTestTemplate#setUp()
     */
    @Override
    protected void setUp() throws Exception {
        super.setUp();

        testData = "TESDATA".getBytes(StandardCharsets.UTF_8);

        FTPClientConfig config = new FTPClientConfig("UNIX");
        client.configure(config);

        client.login(ADMIN_USERNAME, ADMIN_PASSWORD);
    }


    public void testListNames() throws Exception {
        TEST_FILE1.createNewFile();
        TEST_FILE2.createNewFile();
        TEST_DIR1.mkdirs();
        TEST_DIR2.mkdirs();

        String[] files = client.listNames();

        assertEquals(4, files.length);

        TestUtil.assertInArrays(TEST_FILE1.getName(), files);
        TestUtil.assertInArrays(TEST_FILE2.getName(), files);
        TestUtil.assertInArrays(TEST_DIR1.getName(), files);
        TestUtil.assertInArrays(TEST_DIR2.getName(), files);
    }

    public void testListName() throws Exception {
        TEST_FILE1.createNewFile();
        TEST_FILE2.createNewFile();
        TEST_DIR1.mkdirs();

        String[] files = client.listNames(TEST_FILE2.getName());

        assertEquals(1, files.length);

        TestUtil.assertInArrays(TEST_FILE2.getName(), files);
    }

    public void testListNamesInDir() throws Exception {
        TEST_DIR1.mkdirs();
        TEST_FILE_IN_DIR1.createNewFile();
        TEST_DIR_IN_DIR1.mkdir();

        String[] files = client.listNames(TEST_DIR1.getName());

        assertEquals(2, files.length);

        TestUtil.assertInArrays(TEST_FILE_IN_DIR1.getName(), files);
        TestUtil.assertInArrays(TEST_DIR_IN_DIR1.getName(), files);
    }

    public void testListNamesInDirWithParent() throws Exception {
        TEST_DIR1.mkdirs();
        TEST_FILE_IN_DIR1.createNewFile();
        TEST_DIR_IN_DIR1.mkdir();

        // walk around the path a bit
        String[] files = client.listNames(TEST_DIR1.getName() + "/../" + TEST_DIR1.getName());

        assertEquals(2, files.length);

        TestUtil.assertInArrays(TEST_FILE_IN_DIR1.getName(), files);
        TestUtil.assertInArrays(TEST_DIR_IN_DIR1.getName(), files);
    }

    public void testListNamesInDirWithHomeDir() throws Exception {
        TEST_DIR1.mkdirs();
        TEST_FILE_IN_DIR1.createNewFile();
        TEST_DIR_IN_DIR1.mkdir();

        // walk around the path a bit
        String[] files = client.listNames("~/" + TEST_DIR1.getName());

        assertEquals(2, files.length);

        TestUtil.assertInArrays(TEST_FILE_IN_DIR1.getName(), files);
        TestUtil.assertInArrays(TEST_DIR_IN_DIR1.getName(), files);
    }

    public void testListNamesWithFullFilePath() throws Exception {
        TEST_DIR1.mkdirs();
        TEST_FILE_IN_DIR1.createNewFile();

        // walk around the path a bit
        String[] files = client.listNames(TEST_DIR1.getName() + "/" + TEST_FILE_IN_DIR1.getName());

        assertEquals(1, files.length);

        TestUtil.assertInArrays(TEST_FILE_IN_DIR1.getName(), files);
    }
}