import java.awt.*;
import java.awt.geom.*;

/**
 * A circle that can be manipulated and that draws itself on a canvas.
 */

public class SimpleCircle
{
    private int xPosition;
    private int yPosition;
    private String color;
    private Circle testCircle;
    private boolean isSunny;
    
    
    /**
     * Create a new circle at default position with default color.
     */
    public SimpleCircle()
    {
        xPosition = 20;
        yPosition = 60;
        color = "blue";
        draw();
    }

    //Print out how many quarters, dimes, nickles, pennies
    //To throw at the greedy customer
    /*
     * Strategy:
     * Divide cents by 25, 10, 5, 1
     * Divide by 25 -> number quarters
     * Modulus cents by 25 -> remainder of change
     * Divide by 10 -> number of dimes
     * Modulus cents by 10 -> remainder of change
     * ....
     */
    public void printChange(int cents)
    {
        System.out.println();
        System.out.println();
        System.out.println();
        System.out.print(cents/25 + " quarters ");
        cents %= 25;
        System.out.print(cents/10 + " dimes ");
        cents %= 10;
        System.out.print(cents/5 + " nickles ");
        cents -= 5*(cents/5);
        
        System.out.println("You get the idea");        
    }
    
    public void doTest(){
        boolean checkValue=true;
        
        if (4<5)
        {
            checkValue = false;
        }
        System.out.println(checkValue);
        if (checkValue)
        {
            System.out.println("HI!");
        }
    }

    
    public boolean isOK(boolean quick, boolean cheap, boolean correct)
    {
        int counter=0;    
        if (quick)
        {
            counter++;
        }
        if (cheap)
        {
            counter++;
        }
        if (correct)
        {
            counter++;
        }
        
        return (counter==2);
        
        
    }
    
    
    public void printGrade(double grade){
        String letterGrade="F";
    
        if(grade >= 90.0)
        {
            letterGrade = "A";
        }
        else
        {
            if (grade >= 80.0)
            {
                letterGrade = "B";
            }
            else
            {
                if (grade >=70.0)
                {
                   letterGrade="C"; 
                }
            }
        }
        
        System.out.println(letterGrade);
    }
    
    
    /**
     * Move the circle horizontally by 'distance' pixels.
     */
    public void moveHorizontal(int distance)
    {
        erase();
        xPosition += distance;
        draw();
    }

    /**
     * Move the circle vertically by 'distance' pixels.
     */
    public void moveVertical(int distance)
    {
        erase();
        yPosition += distance;
        draw();
    }

    /**
     * Silly example method
    public void moveVertical(int distance, String newColor)
    {
        erase();
        yPosition += distance;
        changeColor(newColor);
        draw();
    }
     */

    
    /**
     * Change the color. Valid colors are "red", "yellow", "blue", "green",
     * "magenta" and "black".
     */
    public void changeColor(String newColor)
    {
        erase();
        color = newColor;
        draw();
    }

    /**
     * Make the circle dance around
     */
    public void doCircleDance()
    {
        moveVertical(80);
        moveHorizontal(-80);
        moveVertical(-80);

        
    }

    private void yoyo3(int speed)
    {
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(speed);
        moveVertical(-speed);
        moveVertical(-speed);
        moveVertical(-speed);
        moveVertical(-speed);
        moveVertical(-speed);
        moveVertical(-speed);
        moveVertical(-speed);
        moveVertical(-speed);
        moveVertical(-speed);
        moveVertical(-speed);
        moveVertical(-speed);
        moveVertical(-speed);
        moveVertical(-speed);
        moveVertical(-speed);
        moveVertical(-speed);
        moveVertical(-speed);
        moveVertical(-speed);
        moveVertical(-speed);
    }
    
    public void yoyo4(int speed){
        if (speed != 5){
            yoyo3(speed);
            yoyo3(speed);
            yoyo3(speed);
        }
        else{
            System.out.println("Ha! You Loose!");
        }
    }
       
    // How far is the circle from (0,0)?
    public double calcOriginDistance()
    {
        //get x & y position, square them, and take the square root
        double distance;
        distance = xPosition*xPosition + yPosition*yPosition;
        distance = Math.sqrt(distance);
        
        return distance;
    }


    //Print out the circle’s distance from the origin
    public void printOriginDistance()
    {
        System.out.println((int)calcOriginDistance());
    }

    
    /*
     * Draw the circle with current specifications on screen.
     */
    private void draw()
    {
        Canvas canvas = Canvas.getCanvas();
        Ellipse2D theEllipse = new Ellipse2D.Double(xPosition, yPosition, 20, 20);        
        canvas.draw(this, color, theEllipse); 
        canvas.wait(40);
    }

    /*
     * Erase the circle on screen.
     */
    private void erase()
    {
        Canvas canvas = Canvas.getCanvas();
        canvas.erase(this);
    }
}