package shooter.main;

import java.awt.Graphics2D;
import java.util.LinkedList;

import shooter.entities.GameObject;
import shooter.entities.Gegner;
import shooter.entities.Player;
import shooter.gfx.ObjectSpriteManager;
import shooter.weapons.ammunition.Ammo;

public class Handler {

    // List of game objects
    private LinkedList<GameObject> objects = new LinkedList<GameObject>();
    // List of game bullets
    private LinkedList<Ammo> bullets = new LinkedList<Ammo>();
    // Temporary GameObject
    private GameObject tempObject;
    // Temporary Bullet
    private Ammo tempBullet;
    // Game instance
    private Game game;
    // Player Object
    private Player p;

    public Handler(Game game) {
        this.game = game;
    }

    public void tick() {
        for (int i = 0; i < objects.size(); i++) {
            tempObject = objects.get(i);
            tempObject.tick();
        }

        for (int i = 0; i < bullets.size(); i++) {
            tempBullet = bullets.get(i);
            tempBullet.tick();
        }
        checkForCollision();
        checkIfInWindow();
    }

    private void checkForCollision() {
        for (int s = 0; s < objects.size(); s++) {
            tempObject = objects.get(s);
            for (int i = 0; i < bullets.size(); i++) {
                tempBullet = bullets.get(i);
                if (tempObject.getCol().getBounds2D().intersects(tempBullet.getCol().getBounds2D())) {
                    if (tempObject != getPlayer()) {
                        objects.remove(s);
                    }
                }
            }
        }
    }

    private void checkIfInWindow() {
        for (int i = 0; i < bullets.size(); i++) {
            tempBullet = bullets.get(i);
            if (tempBullet.getX() < 0 || tempBullet.getX() > game.getWidth()
                    || tempBullet.getY() < 0
                    || tempBullet.getY() > game.getHeight()) {
                bullets.remove(i);
            }
        }
    }

    public void render(Graphics2D g2d) {
        for (int i = 0; i < objects.size(); i++) {
            tempObject = objects.get(i);
            tempObject.render(g2d);
        }

        for (int i = 0; i < bullets.size(); i++) {
            tempBullet = bullets.get(i);
            tempBullet.render(g2d);
        }
    }

    public Player getPlayer() {
        return p;
    }

    public void addBullet(Ammo temp) {
        bullets.add(temp);
    }

    public void addObject(GameObject temp) {
        objects.add(temp);
    }

    public void removeObject(GameObject temp) {
        objects.remove(temp);
    }

    public LinkedList<GameObject> getObjects() {
        return objects;
    }

    public LinkedList<Ammo> getBullets() {
        return bullets;
    }

    public void createObjects() {
        p = new Player(game.getWidth() / 2 - ObjectSpriteManager.SIZE,
                game.getHeight() / 2 - ObjectSpriteManager.SIZE, 100d,
                game.getObjectImageManager(), game.getMouseInputHandler(), game);
        addObject(p);
        addObject(new Gegner(100, 200, 100, game.getObjectImageManager(),
                game.getMouseInputHandler(), game));
    }
}