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.control.Button;
import javafx.scene.input.KeyEvent;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Rectangle;
import javafx.scene.shape.Shape;
import javafx.scene.text.Font;
import javafx.scene.text.FontPosture;
import javafx.scene.text.FontWeight;
import javafx.scene.text.Text;
import javafx.stage.Stage;

public class MazeGame extends Application {

	Stage window;

	Shape walls = null;
	Rectangle end;
	Circle player;

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

			Button ao = new Button("Another One");
			ao.setOnAction(e -> {
				window.close();
				start(new Stage());
			});

			Generator generator = new Generator(50, 50);

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

			window.setTitle("Maze Game");

			window.setScene(scene);

			player = new Circle((generator.sd * 10) + 5, (generator.sw * 10) + 5, 4, Color.BLUE);

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

			for (int i = 0; i < generator.width; i++) {
				for (int j = 0; j < generator.depth; j++) {
					if (generator.maze[j][i] == 1) {

						Rectangle rect = new Rectangle(j * 10, i * 10, 10, 10);
						rect.setFill(Color.BLACK);
						rect.setStroke(Color.BLACK);

						walls.add(rect);
						root.getChildren().add(rect);

					}
				}
			}

			end = new Rectangle(generator.ed * 10, generator.ew * 10, 10, 10);
			end.setFill(Color.GREEN);

			root.getChildren().addAll(end, player);

			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);
					}
				}
			});

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

					codes.remove(code);
				}
			});

			new AnimationTimer() {

				@Override
				public void handle(long cnt) {

					boolean canMoveLeft = true;
					boolean canMoveRight = true;
					boolean canMoveUp = true;
					boolean canMoveDown = true;

					// This part does not function as expected vvv
					if (codes.contains("LEFT")) {
						for (Rectangle rect : walls) {
							if (rect.intersects(
									new Circle(player.getCenterX() - 1, player.getCenterY(), 4).getBoundsInLocal())) {
								canMoveLeft = false;
								break;
							}
						}
						if (canMoveLeft)
							player.setCenterX(player.getCenterX() - 1);
					}
					if (codes.contains("RIGHT")) {
						for (Rectangle rect : walls) {
							if (rect.intersects(
									new Circle(player.getCenterX() + 1, player.getCenterY(), 4).getBoundsInLocal())) {
								canMoveRight = false;
								break;
							}
						}
						if (canMoveRight)
							player.setCenterX(player.getCenterX() + 1);
					}
					if (codes.contains("UP")) {
						for (Rectangle rect : walls) {
							if (rect.intersects(
									new Circle(player.getCenterX(), player.getCenterY() - 1, 4).getBoundsInLocal())) {
								canMoveUp = false;
								break;
							}
						}
						if (canMoveUp)
							player.setCenterY(player.getCenterY() - 1);
					}
					if (codes.contains("DOWN")) {
						for (Rectangle rect : walls) {
							if (rect.intersects(
									new Circle(player.getCenterX(), player.getCenterY() + 1, 4).getBoundsInLocal())) {
								canMoveDown = false;
								break;
							}
						}
						if (canMoveDown)
							player.setCenterY(player.getCenterY() + 1);
					}

					if (player.intersects(end.getBoundsInLocal())) {
						root.getChildren().removeAll(player, end);
						root.getChildren().removeAll(walls);
						Text text = new Text("YOU WIN!");
						text.setFont(Font.font("Comic Sans MS", FontWeight.BOLD, FontPosture.REGULAR, 85));
						text.setFill(Color.web("#ff00ff"));
						text.setStroke(Color.web("#ff00ff"));
						text.setX(20);
						text.setY(250);
						root.getChildren().add(text);
						root.getChildren().add(ao);
						this.stop();
					}
				}
			}.start();

			window.show();
		} catch (Exception err) {
			err.printStackTrace();
		}

	}

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

}