/* *****************************************************************************
 * Main.java
 * ****************************************************************************/

/* J_LZ_COPYRIGHT_BEGIN *******************************************************
* Copyright 2006 Laszlo Systems, Inc.  All Rights Reserved.                   *
* Use is subject to license terms.                                            *
* J_LZ_COPYRIGHT_END *********************************************************/

package org.openlaszlo.es4doc;
import org.openlaszlo.utils.FileUtils;
import org.w3c.dom.Document;
import org.apache.log4j.*;
import org.apache.log4j.spi.*;
import org.apache.log4j.varia.NullAppender;
import java.io.*;
import java.util.*;

public class Main {
    private static String[] USAGE = {
        "Usage: js2doc [OPTION]... FILE...",
        "",
        "Options:",
        "-v",
        "  Write progress information to standard output.",
        "--help",
        "  Prints this message.",
        "",
        "Output options:",
        "--dir outputdir",
        "  Output directory.",
    };

    /** Compiles each file base.ext to the output file base.swf,
     * writing progress information to standard output.  This method
     * is intended for testing the compiler.
     *
     * <p>See the usage string or execute <code>lzc --help</code>
     * to see a list of options.
     *
     * @param args the command line arguments
     */
    public static void main(String args[])
        throws IOException
    {
        es4doc(args, null, null, null);
    }

    /** This method implements the behavior described in main
     * but also returns an integer error code.
     */
    public static int es4doc(String args[], String logFile, 
            String outFileName, String outDir)
        throws IOException
    {
        Logger logger = Logger.getRootLogger();
        // Configure logging
        logger.setLevel(Level.ERROR);
        PatternLayout layout = new PatternLayout("%m%n");
        logger.removeAllAppenders();
        if (logFile == null) {
            logger.addAppender(new ConsoleAppender(layout));
        } else {
            logger.addAppender(new FileAppender(layout, logFile, false));
        }
    
        List files = new Vector();
        for (int i = 0; i < args.length; i++) {
            String arg = args[i].intern();
            if (arg.startsWith("-")) {
                if (arg == "-v") {
                    logger.setLevel(Level.ALL);
                } else if (arg == "--help") {
                    for (int j = 0; j < USAGE.length; j++) {
                        System.err.println(USAGE[j]);
                    }
                    return 0;
                } else {
                    System.err.println("Usage: lzc [OPTION]... file...");
                    System.err.println("Try `lzc --help' for more information.");
                    return 1;
                }
                continue;
            }
            String sourceName = args[i];
            files.add(sourceName);
        }

        for (Iterator iter = files.iterator(); iter.hasNext(); ) {
            String sourceName = (String) iter.next();
            if (files.size() > 1)
                System.err.println("Compiling " + sourceName);
            process(logger, sourceName, outFileName, outDir);
        }
        return 0;
    }

    static private void process(Logger logger,
                                String sourceName,
                                String outFileName,
                                String outDir)
    {
        File sourceFile = new File(sourceName);
        if (outFileName == null && outDir == null) {
            outFileName = FileUtils.getBase(sourceName) + ".xml";
        } else if (outFileName == null) {
            outFileName = outDir + File.separator + 
                FileUtils.getBase(sourceFile.getName()) + ".xml";
        } 
        File scriptFile = new File(outFileName);
        try {
            String script = "#file " + sourceName + "\n" +
                "#line 1\n" + FileUtils.readFileString(scriptFile);
            Document descr = ES4Doc.toXML(script);
        } catch (IOException e) {
            System.err.println("Couldn't read script file");
        }
    }
}