/*
 * 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.maven.index.cli;

import java.io.File;
import java.io.IOException;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;

import org.apache.commons.cli.Option;
import org.codehaus.plexus.util.FileUtils;
import org.junit.Test;

public class NexusIndexerCliTest extends AbstractNexusIndexerCliTest {

    protected NexusIndexerCli cli;

    @Override
    public void setUp() throws Exception {
        super.setUp();

        cli = new NexusIndexerCli();

        System.setOut(new PrintStream(out));
        System.setErr(new PrintStream(out));
    }

    @Override
    protected int execute(String... args) {
        return cli.execute(args);
    }

    private static final String LS = System.getProperty("line.separator");

    private static class OptionComparator implements Comparator<Option> {
        public int compare(Option opt1, Option opt2) {
            return opt1.getOpt().compareToIgnoreCase(opt2.getOpt());
        }
    }

    public String getOptionsAsHtml() {
        List<Option> optList =
                new ArrayList<>(new NexusIndexerCli().buildCliOptions().getOptions());
        optList.sort(new OptionComparator());

        StringBuilder sb = new StringBuilder();
        boolean a = true;
        sb.append(
                "<table border='1' class='zebra-striped'><tr class='a'><th><b>Options</b></th><th><b>Description</b></th></tr>");
        for (Option option : optList) {
            a = !a;
            sb.append("<tr class='").append(a ? 'a' : 'b').append("'><td><code>-<a name='");
            sb.append(option.getOpt());
            sb.append("'>");
            sb.append(option.getOpt());
            sb.append("</a>,--<a name='");
            sb.append(option.getLongOpt());
            sb.append("'>");
            sb.append(option.getLongOpt());
            sb.append("</a>");
            if (option.hasArg()) {
                if (option.hasArgName()) {
                    sb.append(" &lt;").append(option.getArgName()).append("&gt;");
                } else {
                    sb.append(' ');
                }
            }
            sb.append("</code></td><td>");
            sb.append(option.getDescription());
            sb.append("</td></tr>");
            sb.append(LS);
        }
        sb.append("</table>");
        return sb.toString();
    }

    @Test
    public void testOptionsAsHtml() throws IOException {
        File options = getTestFile("target/test-classes/options.html");
        FileUtils.fileWrite(options, "UTF-8", getOptionsAsHtml());
    }
}
