package pt.utl.ist.fenix.tools.scripts;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

import org.joda.time.DateTime;

import pt.utl.ist.fenix.tools.util.FileUtils;

public class RegisterSQLScript {

    public static void main(String[] args) {
	final File baseDir = new File(args[0]);
	if (!baseDir.exists()) {
	    System.err.println("Base directory of sql scripts: " + args[0] + " does not exist!");
	} else if (baseDir.isDirectory()) {
	    System.err.println("Base directory of sql scripts: " + args[0] + " is not a directory!");
	} else {
	    final File file = new File(args[1]);
	    if (!file.exists()) {
		System.err.println("File: " + args[1] + " does not exist!");
	    } else if (!file.isFile()) {
		System.err.println("File: " + args[1] + " is not a file!");
	    } else {
		final DateTime dateTime = new DateTime();
		final String destinationDirName = getDestinationDir(baseDir, dateTime);
		final File destinationDir = new File(destinationDirName);
		if (!destinationDir.exists()) {
		    destinationDir.mkdirs();
		}
		final String destinationFileName = getDestinationFile(destinationDir, dateTime, file);
		final File destinationFile = new File(destinationFileName);
		if (destinationFile.exists()) {
		    System.out.println("File " + destinationFileName + " already exists!");
		} else {
		    try {
			final FileInputStream fileInputStream = new FileInputStream(file);
			final FileOutputStream fileOutputStream = new FileOutputStream(destinationFile);
			FileUtils.copy(fileInputStream, fileOutputStream);
		    } catch (final IOException ex) {
			ex.printStackTrace();
		    }
		}
	    }
	}
        System.exit(0);
    }

    private static String getDestinationFile(final File destinationDir, final DateTime dateTime, final File file) {
	return destinationDir.getAbsolutePath() + File.separatorChar + dateTime.toString("yyyyMMddHHmmss") + "_" + file.getName();
    }

    private static String getDestinationDir(final File baseDir, final DateTime dateTime) {
	final int year = dateTime.getYear();
	final int month = dateTime.getMonthOfYear();
	final int day = dateTime.getDayOfMonth();
	return baseDir.getAbsolutePath() +
		File.separatorChar + "R" + year + 
		File.separatorChar + "R" + year + "-" + month +
		File.separatorChar + "R" + year + "-" + month + "-" + day;
    }

}