/*

 * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package jdk.jpackage.main;

import jdk.jpackage.internal.Arguments;

import jdk.jpackage.internal.Log;

import jdk.jpackage.internal.CLIHelp;

import java.io.PrintWriter;

import java.util.ResourceBundle;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.text.MessageFormat;

public class Main {

    private static final ResourceBundle I18N = ResourceBundle.getBundle(

            "jdk.jpackage.internal.resources.MainResources");

    /**

     * main(String... args)

     * This is the entry point for the jpackage tool.

     *

     * @param args command line arguments

     */

    public static void main(String... args) throws Exception {

        // Create logger with default system.out and system.err

        Log.setLogger(null);

        int status = new jdk.jpackage.main.Main().execute(args);

        System.exit(status);

    }

    /**

     * execute() - this is the entry point for the ToolProvider API.

     *

     * @param out output stream

     * @param err error output stream

     * @param args command line arguments

     * @return an exit code. 0 means success, non-zero means an error occurred.

     */

    public int execute(PrintWriter out, PrintWriter err, String... args) {

        // Create logger with provided streams

        Log.Logger logger = new Log.Logger();

        logger.setPrintWriter(out, err);

        Log.setLogger(logger);

        return execute(args);

    }

    private int execute(String... args) {

        try {

            String[] newArgs;

            try {

                newArgs = CommandLine.parse(args);

            } catch (FileNotFoundException fnfe) {

                Log.error(MessageFormat.format(I18N.getString(

                        "ERR_CannotParseOptions"), fnfe.getMessage()));

                return 1;

            } catch (IOException ioe) {

                Log.error(ioe.getMessage());

                return 1;

            }

            if (newArgs.length == 0) {

                CLIHelp.showHelp(true);

            } else if (hasHelp(newArgs)){

                if (hasVersion(newArgs)) {

                    Log.info(System.getProperty("java.version") + "\n");

                }

                CLIHelp.showHelp(false);

            } else if (hasVersion(newArgs)) {

                Log.info(System.getProperty("java.version"));

            } else {

                Arguments arguments = new Arguments(newArgs);

                if (!arguments.processArguments()) {

                    // processArguments() will log error message if failed.

                    return 1;

                }

            }

            return 0;

        } finally {

            Log.flush();

        }

    }

    private boolean hasHelp(String[] args) {

        for (String a : args) {

            if ("--help".equals(a) || "-h".equals(a)) {

                return true;

            }

        }

        return false;

    }

    private boolean hasVersion(String[] args) {

        for (String a : args) {

            if ("--version".equals(a)) {

                return true;

            }

        }

        return false;

    }

}