import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)

/**
 * Write a description of class Player here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class Player extends Actor
{
    /**
     * Act - do whatever the Player wants to do. This method is called whenever
     * the 'Act' or 'Run' button gets pressed in the environment.
     */
    private int dir = 2;
    private boolean inTheAir = false; 
    private int jumpHeight = 10;
    private int walkSpeed = 5; 
    private double fallSpeed = 0.4;
    private double deltaX = 0;
    private double deltaY = 0; 
    private int groundHeight = getImage().getHeight()/2;
    private int sideWidth = getImage().getWidth()/2;
    private World myWorld; 
    int worldHeight;
    int worldWidth; 
    int xPos;
    int yPos;
    private String[] fireboyRight = {"fireboyD.png", "fireboyD1.png", "fireboyD2.png"};
    int currentImage;
    int currentImageU;
    private GreenfootImage myImage = getImage();

    public void addedToWorld(World myWorld)
    {
        this.myWorld = myWorld;
        this.worldHeight = myWorld.getHeight();
        this.worldWidth = myWorld.getWidth(); 
    }
    public void act()
    {
        if(inTheAir)
        {
            fall();
        }
        else
        {
            getCommand();
        }
        checkCollision();
        move();
        animateOnMove();
    }
    private void run(String direction)
    {
        if(direction == "left")
        {
            deltaX = walkSpeed * -1;
        }
        else
        {
            deltaX = walkSpeed;
        }
    }
    private void stop()
    {
        deltaX = 0;
    }
    private void jump()
    {
        deltaY -= jumpHeight;
        inTheAir = true; 
    }
    private void fall()
    {
        deltaY += fallSpeed;
    }
    private void move()
    {
        double newX = getX() + deltaX;
        double newY = getY() + deltaY;
        
        Actor platformBelow = getOneObjectAtOffset((int)deltaX,groundHeight+14 + (int) deltaY, Platform.class);
        Actor platformAbove = getOneObjectAtOffset((int)deltaX,groundHeight-5 + (int) deltaY-60, Platform.class);
        Actor platformToLeft = getOneObjectAtOffset(sideWidth+5 + (int) deltaX,(int) deltaY,Platform.class);
        Actor platformToRight = getOneObjectAtOffset(sideWidth-5 + (int)deltaX,(int) deltaY,Platform.class);
        if(platformBelow!=null)
        {
            deltaY=0;
            inTheAir = false;
            newY = platformBelow.getY()-60;
        }
        else if(getY()>=worldHeight - groundHeight)
        {
            deltaY=0;
            inTheAir = false;
            
        }
        else
        {
            inTheAir = true;
        }
        if(platformAbove!=null)
        {
            if(deltaY<0)
            {
                deltaY=0;
                GreenfootImage platformImage = platformAbove.getImage();
                int bottomOfPlatform = platformAbove.getY()+platformImage.getHeight()/2;
                newY = bottomOfPlatform + groundHeight;
                
            }
        }
        if(getX()<=sideWidth)
        {
            deltaX = Math.abs(deltaX);
        }
        if(getX()>=worldWidth-sideWidth)
        {
            deltaX = Math.abs(deltaX) * -1;
        }
        if(platformToRight!=null)
        {
            deltaX = 0;
        }
        if(platformToLeft!=null)
        {
            deltaX = 0;
        }
        setLocation((int)newX,(int)newY);
    }
    private void getCommand()
    {
        if(Greenfoot.isKeyDown("left"))
        {
            run("left");
        }
        else if(Greenfoot.isKeyDown("right"))
        {
            run("right");
        }
        else
        {
            stop();
        }
        
        
        if(Greenfoot.isKeyDown("up"))
        {
            jump();
        }
        
    }
    private void checkCollision()
    {
        if(isTouching(Fire.class))
        {
            removeTouching(Player2.class);
        }
    }
    
    private void animateOnMove()
    { 
        if(getX()!=xPos)
        {
            currentImage++;
            if(currentImage>=fireboyRight.length * 4)
            {
                currentImage=0;
            }
            
            
            GreenfootImage newImage = new GreenfootImage(fireboyRight[currentImage/4]);
            if(getX()<xPos)
            {
                newImage.mirrorHorizontally();
            }
            
            setImage(newImage);
            myImage=getImage();
        }
        else
        {
            setImage("Fireboy.png");
        }
        xPos = getX();
        yPos = getY();
    }
}