/**
 * File: Spaceship.java
 * Author: Brian Borowski
 * Date created: August 1, 2011
 * Date last modified: January 21, 2013
 */
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Rectangle;
import java.util.Timer;
import java.util.TimerTask;

import javax.swing.JPanel;

public class Spaceship {
    public static final int LEFT = 0, RIGHT = 1;
    private int xDropBomb;
    private float x;
    private boolean isHit, isDisposable, bombGenerated;
    private AlienMissile alienBomb;

    private final int y, direction, speed, pointsEarned, pointsLost;
    private final JPanel parent;
    private final Timer timer;
    private final AudioPlayer audioPlayer;

    private static final Image spaceshipImage, fireImage;
    private static final int spaceshipWidth, spaceshipHeight;

    static {
        spaceshipImage = Utility.getImage("images/spaceship.png");
        fireImage = Utility.getImage("images/fire.png");
        spaceshipWidth = spaceshipImage.getWidth(null);
        spaceshipHeight = spaceshipImage.getHeight(null);
    }

    class DisposeTask extends TimerTask {
        public void run() {
            isDisposable = true;
        }
    }

    public Spaceship(final JPanel parent, final int y,
                     final int direction, final int speed,
                     final int pointsEarned, final int pointsLost) {

        this.parent = parent;
        this.y = y;
        this.direction = direction;
        this.speed = speed;
        this.pointsEarned = pointsEarned;
        this.pointsLost = pointsLost;
        xDropBomb = GamePanel.RANDOM_GENERATOR.nextInt(parent.getWidth());
        alienBomb = null;
        bombGenerated = false;
        audioPlayer = AudioPlayer.getInstance();
        timer = new Timer();

        if (direction == LEFT) {
            x = parent.getWidth() + spaceshipWidth;
        } else {
            x = -spaceshipWidth;
        }
    }

    public void setHit() {
        if (!isHit) {
            isHit = true;
            timer.schedule(new DisposeTask(), 1 * 1000);
            audioPlayer.play(AudioPlayer.SPACESHIP_IMPACT);
        }
    }

    public int getSpeed() {
        return speed;
    }

    public AlienMissile getAlienBomb() {
        if (alienBomb != null && !alienBomb.getHitGround()) {
            return alienBomb;
        }
        return null;
    }

    public void nullifyBomb() {
        alienBomb = null;
    }

    public int getPointsEarned() {
        return pointsEarned;
    }

    public int getPointsLost() {
        return pointsLost;
    }

    public boolean isHit() {
        return isHit;
    }

    public boolean isDisposable() {
        return isDisposable;
    }

    public boolean isVisible() {
        if (direction == LEFT && x > -spaceshipWidth ||
            direction == RIGHT && x < parent.getWidth() + spaceshipWidth) {
            return true;
        }
        return false;
    }

    public Rectangle getBoundingRectangle() {
        return new Rectangle((int)x, y, spaceshipWidth, spaceshipHeight);
    }

    public void paintComponent(final Graphics g) {
        if (!isHit) {
            g.drawImage(spaceshipImage, (int)x, y, parent);
        } else {
            g.drawImage(fireImage, (int)x, y, parent);
        }
    }

    public void move(final float elapsedSeconds) {
        if (!isHit) {
            if (direction == LEFT) {
                x -= speed * elapsedSeconds;
                if (x <= xDropBomb && !bombGenerated) {
                    alienBomb =
                        new AlienMissile(300, (int)x, y + (spaceshipHeight >> 1));
                    bombGenerated = true;
                }
            } else {
                x += speed * elapsedSeconds;
                if (x >= xDropBomb && !bombGenerated) {
                    alienBomb =
                        new AlienMissile(300, (int)x, y + (spaceshipHeight >> 1));
                    bombGenerated = true;
                }
            }
        }
    }
}