/*
* @(#)luckyLottoNumbers.java
2003-11-12 Roma fishScript.com
/* luckyLottoNumbers
richiede CLDC 1.1 */

import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
import java.util.Random;

public class luckyLottoNumbers extends MIDlet implements CommandListener {
private Display display;
private Form mForm;

// dichiarazione metodi
private boolean numberValidation;
private int elaborateRandom;

// commandi base
private final Command cExit = new Command("Exit", Command.SCREEN, 1);
private final Command cRedoIt = new Command("Estrai", Command.SCREEN, 0);

Random randomNum = new Random();


//******************************
//***impostazioni****
// gruppi di n interi
private int gl = 6;

// numero serie
private int sl = 5;

// esempio ->enalotto -> 1-90
private int minNum = 1;
private int maxNum = 90;
//******************************

//******************************
// variabili di lavoro variables
// intero pseudorandom
private int r;
private String st;
private String sp;
int luckyNum;
String strLuckyNum;
//******************************


// intero estratti
int[] extractedLuckyNum = new int[gl];
int c = 0;

// public luckyLottoNumbers() {}

public void startApp() {
generateNumbers();
mForm.append("Impostazioni:\n" + sl + " gruppi di " + gl + " interi " + "\n" + "da: " + minNum + " a " + maxNum );
Display.getDisplay(this).setCurrent(mForm);
mForm.append(new StringItem(null, "\nBuon fortuna \n"));
mForm.append(new StringItem(null, "Quando vinci non dimenticare fishScript.Com!"));

// Exit
mForm.addCommand(cExit);

// RedoIt
mForm.addCommand(cRedoIt);
mForm.setCommandListener(this);

}

public void generateNumbers(){
mForm = new Form("LuckyNumbers Generator");

for(int m=0; m < sl ;m++){
c=0;
while(true){
// metodo nextInt(int n) da CLDC 1.1
luckyNum = elaborateRandom(maxNum);

// if the number is valid
if (numberValidation(luckyNum)){
// memorizzare gli interi pseudoramndom number in un array
extractedLuckyNum[c] = luckyNum;
c++;
}
if (c==gl){
//ordinamento array -> buble sorting
bubbleSort(extractedLuckyNum);

// stampa sequenze

for(int v=0; v < extractedLuckyNum.length;v++){
// il look della stampa
if(extractedLuckyNum[v]<10 ){sp = " ";}else {sp = "";}

st = sp + extractedLuckyNum[v] + "|" ;
mForm.append(new StringItem(null, st ));
}

mForm.append(new StringItem(null, " \n" ));

break;}
}

}
}

// restituisce true se l'intero è valido
public boolean numberValidation(int n){
if (n<minNum){return false;}
for(int i=0; i < extractedLuckyNum.length;i++){
if (extractedLuckyNum[i]==n){return false;}
}
return true;
}

// pseudorandom
public int elaborateRandom(int n){
r = randomNum.nextInt(n+1);
//r = r++; // no zero allowed
return r;
}



//ordinamento array
public static void bubbleSort(int[] a){
for (int i =a.length-1; i>0;i--){
//System.out.println();
//System.out.println();
for (int y=1;y<=i; y++){
if (a[y-1] >a[y]) swap(a,y-1,y);
}
}
}
public static void swap(int[] a,int i,int y){
if (i == y) return;
int temp = a[y];
a[y] = a[i];
a[i] = temp;
}

// comandi
public void commandAction(Command c, Displayable s) {
// exit
if (c == cExit) {
destroyApp(false);
notifyDestroyed();
return;
}

// estrai
if (c == cRedoIt) {startApp(); return;}
}
public void pauseApp() {}

public void destroyApp(boolean unconditional) {}

}