var width = getWidth ();
var cx = width/2;
var height = getHeight ();
var cy = height/2;

var RADIUS = 175;
var SQUARES = 38;
var ANGLE = 2 * Math.PI / SQUARES;
var R = 0; //rotator

var DELAY = 50;// millisec
var STOP_SPIN = 2 * Randomizer.nextInt(19, 200); /* any even number > 0 (one complete rotation is 38 spins)*/
var time = 0;
var i;
var k = (i-R) % 38;
var pointer;
var cover;
var z; //win/lose
var b; //black
var g; //green
var r; //red
var txt;

var betNumber;
var betColor;

function start(){

    returnCircle(1.03 * RADIUS, Color.black, cx, cy)

    pointer2 = new Line(cx, cy, cx, cy);
    add(pointer2);

    cover = returnCircle(RADIUS, Color.yellow, cx, cy)
    add (cover);

    squares ();

    pointer = new Line(cx, cy, cx, cy);
    add(pointer);

    makeBet ();

    setTimer(spin, DELAY);
}

function squares () {

    for(var j = 0; j < SQUARES; j++){

        var line  = new Line(cx, cy , cx + RADIUS * Math.cos (j * ANGLE  ), cy - RADIUS * Math.sin (j * ANGLE ));
        line.setColor(Color.black);
        add(line)
    }

    var reference = new Rectangle ( 10,10);
    reference.setPosition((cx + 1.03 * RADIUS + 2) , (cy -9));
    add (reference);
}

function numbers (){
    for( var i = 0; i < SQUARES; i++) {

        var result = new Text(0, "10pt Arial");
        var k = (i - R) % 38;
        if ( k % 2 == 0 && k < 36 && k > -1){
            var number = k /2 +1 ;
            result.setColor (Color.red);
        }else if (k % 2 > 0 && k < 36 && k > -1) {
            number = k /2 + 0.5;
            result.setColor (Color.black);
        }else if ( k % 2 == 0 && k < 0){
            number = k/2 +20;
            result.setColor (Color.red);
        }
        if ( k == -2) {
            number = 00;
            result.setColor (Color.green)
            result.setText ( "0"+number)
        }
         if ( k == -1){
            number = 0;
            result.setColor (Color.green)
        }
        if (i < 8) {
                var x = cx + RADIUS * .9  * Math.cos ((i  +.5 ) *ANGLE );
                var y = cy  - RADIUS * .9  * Math.sin ((i  +.5)  *ANGLE );

        }else if (i > 7 && i < 18) {
                x = cx + RADIUS * .95 * Math.cos ((i + .8)  *ANGLE);
                y = cy  - RADIUS * 0.93 * Math.sin ((i + .6)  *ANGLE);
        }else if (i > 17 && i < 24) {
                x = cx + RADIUS * .98 * Math.cos ( (i  ) * ANGLE);
                y = cy  - RADIUS * 0.97 * Math.sin ((i  +.5) * ANGLE);
        }else if (i > 23 && i < 38) {
                x = cx + RADIUS * .92 * Math.cos ( (i  ) * ANGLE);
                y = cy  - RADIUS * 0.97 * Math.sin ((i  + .5) * ANGLE);
        }

        if (number > 0 && number < 10) {
            result.setText ( "0"+number);
        }else if (number > 9 && number < 19){
            result.setText (+number);
        }

        result.setPosition (x,y);

        if (STOP_SPIN == R) {
            add( result);
        }
    }
}

function spin (){
    R++
    numbers ();
    rotatePointer ();

    cover.move(.003 * RADIUS * Math.cos(time *2), .003 * RADIUS * Math.cos(time*2));

    returnCircle(0.87 * RADIUS, Randomizer.nextColor(), cx, cy)
    winLose ();

    if (R == STOP_SPIN) {
        stopTimer (spin,DELAY);
    }
}
function returnCircle(radius, color, x, y){
    var circle = new Circle(radius);
    circle.setColor(color);
    circle.setPosition(x, y);
    add (circle);
    return circle;
}
function rotatePointer() {
    time += 0.2;

    var dx =( .91 * RADIUS * Math.cos(time));
    var dy =( .91 * RADIUS * Math.sin(time));
    pointer.setEndpoint(cx + dx,cy + dy);

    var dx2 =(width/2 * Math.cos(time));
    var dy2 =(width/2 * Math.sin(time));
    pointer2.setEndpoint(cx + dx2,cy + dy2);
}
function returnText(label,color,x,y){

    var txt = new Text(label, "11pt Arial");
    txt.setPosition(x, y);
    txt.setColor(color);
    txt.setLabel(label);
    add (txt);
    return txt;
}
function makeBet (){
    betNumber = readInt ("What number do you bet, without color?  For 00 enter 20. For NO NUMBER, enter 21 # ");
    betColor = readLine (" Enter b,g,or r for black, green, or red you bet. For bets on both red and black, leave blank.  Color:  ")

    if (betNumber ==19 || betNumber > 21)  {
        var txt = new Text(+ betNumber + " not allowed", "15pt Arial");
    }else if ( betNumber > 0  && betNumber < 19 && betColor == "g") {
        var txt = new Text(+ betNumber + " green not allowed", "15pt Arial");
    }else if(betNumber ==20 ) {
        var txt = new Text("You bet 00" + betColor, "15pt Arial");
    }else  if( betNumber == 21){
        var txt = new Text("You bet " + betColor, "15pt Arial");
    }else {
        var txt = new Text("You bet " + betNumber  + betColor, "15pt Arial");
    }

    txt.setPosition(width/32, height/14);
    if (betColor == "b"){
        txt.setColor (Color.black);
    }else if (betColor == "g" && (betNumber == 0 || betNumber == 20)) {
        txt.setColor (Color.green);
    }else if (betColor == "r" ){
        txt.setColor (Color.red);
    }else {
        txt.setColor (Color.blue);
    }
    add (txt);

    returnText ("PROB: one number and color 1/38; red or black only 9/19; ", Color.blue, width/35, 0.94*height);

    returnText ("green 1/19; one number (1 to 18) and no color 1/19 ", Color.blue, width/35, 0.97*height);
}
function winLose () {
    var pointerLocation = ((time) % (2 * Math.PI));
    var L1 = 38-(( pointerLocation/(2*Math.PI)))*SQUARES;
    var L = Math.floor(L1);
    var z = (L-R) % 38;
    if ( z % 2 == 0 && z < 36 && z > -1){
            var winNumber = z /2 +1 ;
            var winC = 3;
    }else if (z % 2 > 0 && z < 36 && z > -1) {
            winNumber = z /2 + 0.5;
             winC = 1;
    }else if ( z < 0){
            winNumber = Math.floor(z/2) +20;
            if (z % 2  ==0) {
                winC = 3;
            }else {
                winC = 1;
            }
        }
    if ( z == -2) {
        winNumber = 00;
        winC = 2;
        }
    if ( z == -1){
        winNumber = 0;
        winC = 2;
        }

        if (STOP_SPIN == R) {
            if (winC == 1) {
                var txt = new Text("Winner is " + winNumber  + " black ", "15pt Arial");
            }else if (winC == 3){
                var txt = new Text("Winner is " + winNumber  + " red ", "15pt Arial");
            }else if ( z  == -1) {
                var txt = new Text("Winner is 0 green ", "15pt Arial");
            }else {
                var txt = new Text("Winner is 00  green ", "15pt Arial");
            }
            txt.setPosition( width/2, height/14);

            if (winC == 1){
                txt.setColor (Color.black);
            }else if (winC == 2 && (winNumber == 0 || winNumber == 20)) {
                txt.setColor (Color.green);
            }else if (winC == 3 ){
                txt.setColor (Color.red);
        }
            add (txt);

            if ((winNumber == betNumber)||(betNumber ==21) && ((winC ==1 && betColor == b) || (winC == 2 && betColor == g) || (winC == 3 && betColor == r)|| ( winC == " "))){
                var txt1 = new Text("You Win !! ", "30pt Arial");
            }else {
                var txt1 = new Text("Too Bad !! ", "15pt Arial");
            }
            txt1.setPosition( 0.7 * cx,cy );
            add (txt1);

            println ("L1: " +L1);
            println ("L: " +L);
            println ("R: " +R);
            println ("z " +z);
            println ("betnumber " +betNumber);
            println ("winnumber " +winNumber);
            println ("betcolor " +betColor);
            println ("wincolor " +winC);
        }
}