package org.apache.tomcat.maven.runner;
/*
 * 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.
 */

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.GnuParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.OptionBuilder;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;

import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import java.util.Properties;

/**
 * @author Olivier Lamy
 * @since 2.0
 */
@SuppressWarnings("static-access")
public class Tomcat7RunnerCli
{

    public static final String STAND_ALONE_PROPERTIES_FILENAME = "tomcat.standalone.properties";

    static Option httpPort =
        OptionBuilder.withArgName( "httpPort" ).hasArg().withDescription( "http port to use" ).create( "httpPort" );

    static Option httpsPort =
        OptionBuilder.withArgName( "httpsPort" ).hasArg().withDescription( "https port to use" ).create( "httpsPort" );

    static Option maxPostSize =
        OptionBuilder.withArgName( "maxPostSize" ).hasArg().withDescription( "max post size to use" ).create(
            "maxPostSize" );

    static Option ajpPort =
        OptionBuilder.withArgName( "ajpPort" ).hasArg().withDescription( "ajp port to use" ).create( "ajpPort" );

    static Option serverXmlPath =
        OptionBuilder.withArgName( "serverXmlPath" ).hasArg().withDescription( "server.xml to use, optional" ).create(
            "serverXmlPath" );

    static Option resetExtract =
        OptionBuilder.withArgName( "resetExtract" ).withDescription( "clean previous extract directory" ).create(
            "resetExtract" );

    static Option help = OptionBuilder.withLongOpt( "help" ).withDescription( "help" ).create( 'h' );

    static Option debug = OptionBuilder.withLongOpt( "debug" ).withDescription( "debug" ).create( 'X' );

    static Option sysProps = OptionBuilder.withDescription( "use value for given property" ).hasArgs().withDescription(
        "key=value" ).withValueSeparator().create( 'D' );

    static Option clientAuth =
        OptionBuilder.withArgName( "clientAuth" ).withDescription( "enable client authentication for https" ).create(
            "clientAuth" );

    static Option keyAlias =
        OptionBuilder.withArgName( "keyAlias" ).hasArgs().withDescription( "alias from keystore for ssl" ).create(
            "keyAlias" );

    static Option obfuscate =
        OptionBuilder.withArgName( "password" ).hasArgs().withDescription( "obfuscate the password and exit" ).create(
            "obfuscate" );

    static Option httpProtocol = OptionBuilder.withArgName( "httpProtocol" ).hasArg().withDescription(
        "http protocol to use: HTTP/1.1 or org.apache.coyote.http11.Http11NioProtocol" ).create( "httpProtocol" );

    static Option extractDirectory = OptionBuilder.withArgName( "extractDirectory" ).hasArg().withDescription(
        "path to extract war content, default value: .extract" ).create( "extractDirectory" );

    static Option loggerName = OptionBuilder.withArgName( "loggerName" ).hasArg().withDescription(
        "logger to use: slf4j to use slf4j bridge on top of jul" ).create( "loggerName" );

    static Option uriEncoding = OptionBuilder.withArgName( "uriEncoding" ).hasArg().withDescription(
        "connector uriEncoding default ISO-8859-1" ).create( "uriEncoding" );

    static Options options = new Options();

    static
    {
        options.addOption( httpPort ).addOption( httpsPort ).addOption( ajpPort ).addOption( serverXmlPath ).addOption(
            resetExtract ).addOption( help ).addOption( debug ).addOption( sysProps ).addOption(
            httpProtocol ).addOption( clientAuth ).addOption( keyAlias ).addOption( obfuscate ).addOption(
            extractDirectory ).addOption( loggerName ).addOption( uriEncoding ).addOption( maxPostSize );
    }


    public static void main( String[] args )
        throws Exception
    {
        CommandLineParser parser = new GnuParser();
        CommandLine line = null;
        try
        {
            line = parser.parse( Tomcat7RunnerCli.options, args );
        }
        catch ( ParseException e )
        {
            System.err.println( "Parsing failed.  Reason: " + e.getMessage() );
            HelpFormatter formatter = new HelpFormatter();
            formatter.printHelp( getCmdLineSyntax(), Tomcat7RunnerCli.options );
            System.exit( 1 );
        }

        if ( line.hasOption( help.getOpt() ) )
        {
            HelpFormatter formatter = new HelpFormatter();
            formatter.printHelp( getCmdLineSyntax(), Tomcat7RunnerCli.options );
            System.exit( 0 );
        }

        if ( line.hasOption( obfuscate.getOpt() ) )
        {
            System.out.println( PasswordUtil.obfuscate( line.getOptionValue( obfuscate.getOpt() ) ) );
            System.exit( 0 );
        }
        Tomcat7Runner tomcat7Runner = new Tomcat7Runner();

        tomcat7Runner.runtimeProperties = buildStandaloneProperties();

        if ( line.hasOption( serverXmlPath.getOpt() ) )
        {
            tomcat7Runner.serverXmlPath = line.getOptionValue( serverXmlPath.getOpt() );
        }

        String port = tomcat7Runner.runtimeProperties.getProperty( Tomcat7Runner.HTTP_PORT_KEY );
        if ( port != null )
        {
            tomcat7Runner.httpPort = Integer.parseInt( port );
        }

        // cli win for the port
        if ( line.hasOption( httpPort.getOpt() ) )
        {
            tomcat7Runner.httpPort = Integer.parseInt( line.getOptionValue( httpPort.getOpt() ) );
        }

        if ( line.hasOption( maxPostSize.getOpt() ) )
        {
            tomcat7Runner.maxPostSize = Integer.parseInt( line.getOptionValue( maxPostSize.getOpt() ) );
        }

        if ( line.hasOption( httpsPort.getOpt() ) )
        {
            tomcat7Runner.httpsPort = Integer.parseInt( line.getOptionValue( httpsPort.getOpt() ) );
        }
        if ( line.hasOption( ajpPort.getOpt() ) )
        {
            tomcat7Runner.ajpPort = Integer.parseInt( line.getOptionValue( ajpPort.getOpt() ) );
        }
        if ( line.hasOption( resetExtract.getOpt() ) )
        {
            tomcat7Runner.resetExtract = true;
        }
        if ( line.hasOption( debug.getOpt() ) )
        {
            tomcat7Runner.debug = true;
        }

        if ( line.hasOption( httpProtocol.getOpt() ) )
        {
            tomcat7Runner.httpProtocol = line.getOptionValue( httpProtocol.getOpt() );
        }

        if ( line.hasOption( sysProps.getOpt() ) )
        {
            Properties systemProperties = line.getOptionProperties( sysProps.getOpt() );
            if ( systemProperties != null && !systemProperties.isEmpty() )
            {
                for ( Map.Entry<Object, Object> sysProp : systemProperties.entrySet() )
                {
                    System.setProperty( (String) sysProp.getKey(), (String) sysProp.getValue() );
                }
            }
        }
        if ( line.hasOption( clientAuth.getOpt() ) )
        {
            tomcat7Runner.clientAuth = clientAuth.getOpt();
        }
        if ( line.hasOption( keyAlias.getOpt() ) )
        {
            tomcat7Runner.keyAlias = line.getOptionValue( keyAlias.getOpt() );
        }

        if ( line.hasOption( extractDirectory.getOpt() ) )
        {
            tomcat7Runner.extractDirectory = line.getOptionValue( extractDirectory.getOpt() );
        }

        if ( line.hasOption( loggerName.getOpt() ) )
        {
            tomcat7Runner.loggerName = line.getOptionValue( loggerName.getOpt() );
        }

        if ( line.hasOption( uriEncoding.getOpt() ) )
        {
            tomcat7Runner.uriEncoding = line.getOptionValue( uriEncoding.getOpt() );
        }

        // here we go
        tomcat7Runner.run();
    }

    private static Properties buildStandaloneProperties()
        throws IOException
    {
        InputStream is =
            Thread.currentThread().getContextClassLoader().getResourceAsStream( STAND_ALONE_PROPERTIES_FILENAME );
        Properties properties = new Properties();
        properties.load( is );
        return properties;
    }

    public static String getCmdLineSyntax()
    {
        return "java -jar [path to your exec war jar]";
    }
}