package themescleaner;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.channels.FileChannel;

public class Main {

    private static final String VERSION_NAME = "0.1";
    private static final String ROOT = "c:/AChep/themecleanup/";
    private static final String RESOURCES = "resources";
    private static final String THEMED = "themed";
    private static final String DELETED = "deleted";
    private static final String INPUT = "input";

    public static void main(String[] args) {
        logln(3);
        logln("Program:");
        logln("   ThemeCleaner " + VERSION_NAME);
        logln("Contact:");
        logln("   2012 (C) AChep@xda");
        logln("   <artemchep@gmail.com>");
        logln(1);
        log("Preparing folders... ");
/*
        for (int i = 0; i < 20000; i++) {
            File test = new File(ROOT + RESOURCES + "/android_" + i + ".xml");
            try {
                test.createNewFile();
            } catch (IOException e) {
                logln("E:  Error copying file...");
            }
        }
*/
        final File[] files = new File(ROOT + INPUT).listFiles();
        final File themed = new File(ROOT + THEMED);
        themed.delete();
        themed.mkdir();
        final File deleted = new File(ROOT + DELETED);
        deleted.delete();
        deleted.mkdir();

        logln("Successfully.");
        log("Comparing files... ");
        for (int i = 0; i < files.length; i++) {
            File res = new File(ROOT + RESOURCES + "/" + files[i].getName());
            try {
                copyFile(files[i], new File(ROOT + (res.exists() && res.length() != files[i].length() ? THEMED : DELETED) + "/" + files[i].getName()));
            } catch (IOException e) {
                logln("E:  Error copying file...");
            }
        }
        logln("Successfully.");
    }

    public static void copyFile(File sourceFile, File destFile) throws IOException {
        if (!destFile.exists()) {
            destFile.createNewFile();
        }

        FileChannel source = null;
        FileChannel destination = null;

        try {
            source = new FileInputStream(sourceFile).getChannel();
            destination = new FileOutputStream(destFile).getChannel();
            destination.transferFrom(source, 0, source.size());
        } finally {
            if (source != null) {
                source.close();
            }
            if (destination != null) {
                destination.close();
            }
        }
    }

    private static void log(String str) {
        System.out.print(str);
    }

    private static void logln(int number) {
        if (number > 1) {
            logln(number - 1);
        }
        logln("");
    }

    private static void logln(String str) {
        System.out.println(str);
    }
}