package main;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.ArrayList;

/**
* The Main Handler class which controls main functions of the program like...
**/
public class DBHandler {
    /**
    * The FileReader Object
    **/
    private FileReader fileReader = null; //-- initialisierung in einer init()-Methode oder Konstruktor
    /**
    * Check Variable to look if smth exists
    **/
    private boolean doesExist; //--boolean sind von Grund auf schon false
    /**
    * Important Benchmark Files
    **/
    private File Ofile = new File(System.getProperty("user.home") + File.separator + "benchInit.bat");
    private File Ofile2 = new File(System.getProperty("user.home") + File.separator + "benchRead.bat");
    private File OfileD = new File(System.getProperty("user.home") + File.separator + "filename.txt");
    private File OfileTemp = new File(System.getProperty("user.home") + File.separator + "tempfile.bat");
    private File OfileTemp2 = new File(System.getProperty("user.home") + File.separator + "tempfile2.bat");
    private File OfileTempPortBat = new File(System.getProperty("user.home") + File.separator + "porttempfile.bat");
    private File OfileTempPort = new File(System.getProperty("user.home") + File.separator + "porttemp.txt");
    /**
    * Decode Integer var for...
    **/
    private int decodeKey = //hidden; //--hidden? :D
    /**
    * Decode Fragment var for...
    **/
    private int[] decodeFragment = //hidden;
    /**
    * Standart OS Type set to 32b
    **/
    private int osType = 32;
    /**
    * Standart default Path String
    **/
    private String defaultPath = "defaultPath";
    /**
    * Check if the request repeat itself
    **/
    private boolean repeatRequested;

//-- USW das machst du mit allen variablen

    static boolean noRegData = false;
    static boolean noRegDataPort = false;
    static boolean gotData = false;
    static String postProcessDefPath = "default";
    static int firstRun = 0;
    static int globalPort = 6789;

// --------------------------------------------------- //

    /**
    * Constructor which initializes creation stuff
    **/
    public DBHandler(){
        getInitBatch();
    }

    private void instanciate(String requestedPath){

        //detect 64-bit systems for future optimizing purposes

        if(System.getProperty("os.arch").equals("amd64")){

            osType = 64;

        }

        //create batchfiles, that convert registry keys related to this program
        //into a .txt file, that can be read by the buffered filereader.
        //If there is no registry info, create firstrun default registry data.

        try {
            try {
//--system outs entfernen!
                <<System.out.println("Instanciation request initiated.");
                doesExist = !Ofile.createNewFile();
                <<if(doesExist){
                    <<System.out.println("Instanciation not required. Savefile localized.");
                <<}else{
                    <<System.out.println("Instanciation required and Completed!");
                <<}
            } catch (IOException e) {
                e.printStackTrace();
            }
            fr = new FileReader(Ofile);
        } catch (FileNotFoundException e) {
            <<System.out.println("Instanciation of Savefile failed!");
            doesExist = false;
            e.printStackTrace();
        }
        <<System.out.println("Instanciation Request Successfully executed.");
        if(!doesExist){
            <<System.out.println("Writing default values to new Savefile Instance.");
            writeInitBatch(osType, requestedPath);
        }

            <<System.out.println("Reading default values from Savefile Instance.");
            getInitBatch();

    }

    private void writeInitBatch(int osArch, String defPath){

        //function to create the default program initiation batchfile to write to registry data.

    try (Writer writer = new BufferedWriter(new OutputStreamWriter(
                  new FileOutputStream(Ofile), "utf-8"))) {
       writer.write("@echo off");
       ((BufferedWriter) writer).newLine();
       writer.write("REG ADD HKCU\\SOFTWARE /v BenchmarkInitialized /t REG_SZ /d 1");
       ((BufferedWriter) writer).newLine();
       writer.write("REG ADD HKCU\\SOFTWARE /v BenchmarkDefDBPath /t REG_SZ /d " + defPath);
       ((BufferedWriter) writer).newLine();
       writer.write("exit");
    } catch (IOException e) {
        e.printStackTrace();
    }

    try {
        Runtime.getRuntime().exec("cmd /c start C:\\Users\\%USERNAME%\\benchInit.bat");
    } catch (IOException e) {
        e.printStackTrace();
    }

    }