package koala.mg;

import java.util.ArrayList;
import java.util.List;

import javafx.animation.AnimationTimer;
import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.canvas.Canvas;
import javafx.scene.canvas.GraphicsContext;
import javafx.scene.image.Image;
import javafx.scene.input.KeyEvent;
import javafx.stage.Stage;

public class MazeGameOLD extends Application {

	Stage window;

	@Override
	public void start(Stage mainStage) throws Exception {
		window = mainStage;

		Generator generator = new Generator(50, 50);

		Group root = new Group();
		Scene scene = new Scene(root);

		window.setTitle("Maze Game");

		window.setScene(scene);

		Canvas canvas = new Canvas(generator.depth * 10, generator.width * 10);
		root.getChildren().add(canvas);

		GraphicsContext gc = canvas.getGraphicsContext2D();

		Sprite player = new Sprite();

		Image ppng = new Image(this.getClass().getResource("player.png").toExternalForm(), 10, 10, false, false);
		Image wpng = new Image(this.getClass().getResource("wall.png").toExternalForm(), 10, 10, false, false);
		Image epng = new Image(this.getClass().getResource("finish.png").toExternalForm(), 10, 10, false, false);

		player.setImage(ppng);
		player.setPosition(generator.sd * 10, generator.sw * 10);

		List<Sprite> walls = new ArrayList<Sprite>();

		for (int i = 0; i < generator.width; i++) {
			for (int j = 0; j < generator.depth; j++) {
				if (generator.maze[j][i] == 1) {
					Sprite wall = new Sprite();
					wall.setImage(wpng);
					wall.setPosition(j * 10, i * 10);

					walls.add(wall);
				}
			}
		}

		Sprite end = new Sprite();
		end.setImage(epng);
		end.setPosition(generator.ed * 10, generator.ew * 10);

		List<String> codes = new ArrayList<String>();

		scene.setOnKeyPressed(new EventHandler<KeyEvent>() {
			@Override
			public void handle(KeyEvent e) {
				String code = e.getCode().toString();

				if (!codes.contains(code)) {
					codes.add(code);
					System.out.println("Key Press Detected and Logged!");
				}
			}
		});

		scene.setOnKeyReleased(new EventHandler<KeyEvent>() {
			@Override
			public void handle(KeyEvent e) {
				String code = e.getCode().toString();

				codes.remove(code);

				System.out.println("Key Release Detected and Logged!");
			}
		});

		new AnimationTimer() {

			long lnt = System.nanoTime();

			@Override
			public void handle(long cnt) {

				long elapsed = (long) ((cnt - lnt) / 1000000000.0);
				lnt = cnt;

				boolean canMove = true;


				if (codes.contains("LEFT")) {
					for (Sprite wall : walls) {
						if (player.getOffsetBoundary(-1, 0).intersects(wall.getBoundary())) {
							canMove = false;
							break;
						}
					}
					if (canMove)
						player.setPosition(player.getPosX()-1, player.getPosY());
				}
				if (codes.contains("UP")) {
					for (Sprite wall : walls) {
						if (player.getOffsetBoundary(0, -1).intersects(wall.getBoundary())) {
							canMove = false;
							break;
						}
					}
					if (canMove)
						player.setPosition(player.getPosX(), player.getPosY()-1);
				}
				if (codes.contains("RIGHT")) {
					for (Sprite wall : walls) {
						if (player.getOffsetBoundary(1, 0).intersects(wall.getBoundary())) {
							canMove = false;
							break;
						}
					}
					if (canMove)
						player.setPosition(player.getPosX()+1, player.getPosY());
				}
				if (codes.contains("DOWN")) {
					for (Sprite wall : walls) {
						if (player.getOffsetBoundary(0, 1).intersects(wall.getBoundary())) {
							canMove = false;
							break;
						}
					}
					if (canMove)
						player.setPosition(player.getPosX(), player.getPosY()+1);
				}

				player.update(elapsed);

				if (player.intersects(end)) {
					this.stop();
				}

				gc.clearRect(0, 0, 50 * 64, 50 * 64);
				player.render(gc);
				for (Sprite wall : walls)
					wall.render(gc);

				end.render(gc);

			}
		}.start();

		window.show();

	}

	public static void main(String[] args) {
		launch(args);
	}

}