package game.sprites;

import game.graphicsEngine.Animation;
import game.graphicsEngine.Sprite;

import java.awt.Point;
import java.lang.reflect.Constructor;

/*Unit.java
 * @author Robert
 * Empty, placeholder class, that will be used later.
 */
public abstract class Unit extends Sprite {

    private static final int DIE_TIME = 1000; //Time it takes for a creature to die.

    private static final int STATE_ALIVE = 0;
    private static final int STATE_DYING = 1;
    private static final int STATE_DEAD = 2;

    private static final int NUM_OF_STATES = 3;

    private Animation left;
    private Animation right;
    private Animation up;
    private Animation down;
    private Animation dyingLeft;
    private Animation dyingRight;
    private Animation dyingUp;
    private Animation dyingDown;
    private Point destination;

    private int state;
    private int stateTime;

    public Unit(Animation left, Animation right, Animation up, Animation down, Animation dyingLeft, Animation dyingRight,
                Animation dyingUp, Animation dyingDown){
        super(right);
        this.left = left;
        this.right = right;
        this.down = down;
        this.up = up;
        state = STATE_ALIVE;
    }

    public Object clone(){
        Constructor<?> cTor = getClass().getConstructors()[0];
        try{
            return cTor.newInstance(new Object[]{
            (Animation)left.clone(),
            (Animation)right.clone(),
            (Animation)up.clone(),
            (Animation)down.clone(),
            (Animation)dyingLeft.clone(),
            (Animation)dyingRight.clone(),
            (Animation)dyingUp.clone(),
            (Animation)dyingDown.clone()
            });
        }
        catch(Exception ex){
            //should not happen.  Do Nothing.
            ex.printStackTrace();
            return null;
        }
    }

    public float getMaxSpeed(){
        return 0;
    }
    public void wakeup() {
        if (getState() == STATE_ALIVE && destination != null){
            moveTowardsDestination(destination);
        }
    }

    private void moveTowardsDestination(Point destination2) {
        // TODO Auto-generated method stub

    }

    public int getState(){
        return state;
    }

    public void setState(int state){
        if(this.state != state){
            this.state = state;
            stateTime = 0;
            if (state == STATE_DYING){
                setVelocityX(0);
                setVelocityY(0);
            }
        }
    }

    public boolean isAlive(){
        return (state == STATE_ALIVE);
    }

    public void collideHorizontal(){
        setVelocityX(0);
    }

    public void collideVertical(){
        setVelocityY(0);
    }

    public void update(long elapsedTime){
        Animation newAnim = anim;
        if(getVelocityX() < 0){
            anim = left;
        }

        else if (getVelocityY() < 0){
            anim = up;
        }

        else if (getVelocityX() > 0 ){
            anim = right;
        }
        else if (getVelocityY() > 0){
            anim = down;
        }
        else if(getState() == STATE_DYING && newAnim == left){
            anim = dyingLeft;
        }
        else if(getState() == STATE_DYING && newAnim == right){
            anim = dyingRight;
        }
        else if(getState() == STATE_DYING && newAnim == up){
            anim = dyingUp;
        }
        else if(getState() == STATE_DYING && newAnim == down){
            anim = dyingDown;
        }
    }
}

//###END UNIT###


//###UNITTYPE###
package game.sprites;
import game.graphicsEngine.*;

public enum UnitType {
    UNIT1(left, right, up, down, dyingLeft, dyingRight, dyingUp, dyingDown); //wants me to make them static.
    Animation left;                              //but if I do, it gets pissed off
    Animation right;                             //that I cant access a member before its defined
    Animation  up;                               //And Yells at me below that I can't modify a Static.
    Animation  down;
    Animation  dyingLeft;
    Animation  dyingRight;
    Animation  dyingUp;
    Animation  dyingDown;

    private UnitType(Animation left,
                        Animation right,
                        Animation  up,
                        Animation  down,
                        Animation  dyingLeft,
                        Animation  dyingRight,
                        Animation  dyingUp,
                        Animation  dyingDown){
        this.left = left;
        this.right = right;
        this.up = up;
        this.down = down;
        this.dyingLeft = dyingLeft;
        this.dyingRight = dyingRight;
        this.dyingUp = dyingUp;
        this.dyingDown = dyingDown;
    }


}
//###End UnitType###