package shooter.input;

import java.awt.Rectangle;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;

import shooter.main.Game;
import shooter.main.Menu;
import shooter.main.State;


public class MouseInputHandler implements MouseListener, MouseMotionListener {

    // Mouse x-position
    private int mX;
    // Mouse y-position
    private int mY;
    // Game instance
    private Game game;
    // Menu instance
    private Menu menu;
    // Mouse collision Box
    private Rectangle mouseBox;
    // Shooting delay
    private int countdown = 1000;
    // 0.3 seconds (0.3 * 60 updates/second) shooting delay
    private int pistolBulletDelay = 20;
    // 0.1 seconds (0.1 * 60 updates/second) shooting delay
    private int assaultBulletDelay = 6;
    // True when mouse is continously pressed
    private boolean mouseDown = false;
    // True when Thread for holding down mouse is running
    private boolean isRunning = false;

    public MouseInputHandler(Game game, Menu menu) {
        this.game = game;
        this.menu = menu;
        mouseBox = new Rectangle(mX, mY, 1, 1);
    }

    public void mouseClicked(MouseEvent e) {
        // Tracks the mouse position when mouse is clicked
        mY = e.getY();
        mX = e.getX();
        mouseBox.y = mY;
        mouseBox.x = mX;
    }

    public void mouseEntered(MouseEvent e) {

    }

    public void mouseExited(MouseEvent e) {

    }

    public void mousePressed(MouseEvent e) {
        // checks if menu buttons are pressed
        if (game.getState() == State.MENU) {
            if (mouseBox.intersects(menu.getStart())) {
                // Play Button
                game.setState(State.GAME);
            } else if (mouseBox.intersects(menu.getOptions())) {
                // Options Button
                game.setState(State.OPTIONS);
            } else if (mouseBox.intersects(menu.getExtras())) {
                // Credits Button
                game.setState(State.EXTRAS);
            } else if (mouseBox.intersects(menu.getStop())) {
                // Exit Button
                System.exit(0);
            }
        } else if (game.getState() == State.OPTIONS) {
            if (mouseBox.intersects(menu.getBack())) {
                // Back Button
                game.setState(State.MENU);
            }
        } else if (game.getState() == State.EXTRAS) {
            if (mouseBox.intersects(menu.getArmory())) {
                // Armory Button
                game.setState(State.ARMORY);
            } else if (mouseBox.intersects(menu.getCredits())) {
                // Credits Button
                game.setState(State.CREDITS);
            } else if (mouseBox.intersects(menu.getBack())) {
                // Back Button
                game.setState(State.MENU);
            }
        } else if (game.getState() == State.ARMORY) {
            if (mouseBox.intersects(menu.getBack())) {
                // Back Button
                game.setState(State.EXTRAS);
            }
        } else if (game.getState() == State.CREDITS) {
            if (mouseBox.intersects(menu.getBack())) {
                // Back Button
                game.setState(State.EXTRAS);
            }
        } else if (game.getState() == State.GAME) {
            if (e.getButton() == MouseEvent.BUTTON1) {
                mouseDown = true;
                initThread();
            }
        }
    }

    // activates is Running
    private synchronized boolean checkAndMark() {
        if (isRunning)
            return false;
        isRunning = true;
        return true;
    }

    private void initThread() {
        if (checkAndMark()) {
            new Thread() {
                public void run() {
                    do {
                        if (game.getHandler().getPlayer().getCurWeapon().getMagAmmo() > 0) {
                            switch (game.getHandler().getPlayer()
                                    .getCurWeapon().getWeaponType()) {
                            case "pistol":
                                if (countdown >= pistolBulletDelay) {
                                    // Shoot the current weapon
                                    game.getHandler().getPlayer()
                                            .getCurWeapon().shoot();
                                    // Reset the timer
                                    countdown = 0;
                                }
                                break;
                            case "assault":
                                if (countdown >= assaultBulletDelay) {
                                    // Shoot the current weapon
                                    game.getHandler().getPlayer()
                                            .getCurWeapon().shoot();
                                    // Reset the timer
                                    countdown = 0;
                                }
                                break;
                            }
                        } else {
                            // dry fire sound effect
                        }
                    } while (mouseDown);
                    isRunning = false;
                }
            }.start();
        }
    }

    public void mouseReleased(MouseEvent e) {
        if (e.getButton() == MouseEvent.BUTTON1) {
            mouseDown = false;
        }
    }

    // Tracks the mouse position when mouse is dragged (button down and then moved)
    public void mouseDragged(MouseEvent e) {
        mY = e.getY();
        mX = e.getX();
        mouseBox.y = mY;
        mouseBox.x = mX;
    }

    public void mouseMoved(MouseEvent e) {
        // Tracks the mouse position when mouse is moved
        mY = e.getY();
        mX = e.getX();
        mouseBox.y = mY;
        mouseBox.x = mX;

        // Sets menu position according to mouse position
        if (game.getState() == State.MENU || game.getState() == State.OPTIONS
                || game.getState() == State.EXTRAS
                || game.getState() == State.ARMORY
                || game.getState() == State.CREDITS) {
            if (mouseBox.intersects(menu.getStart())) {
                // Play Button
                menu.setMenuPosition(1);
            } else if (mouseBox.intersects(menu.getOptions())) {
                // Options Button
                menu.setMenuPosition(2);
            } else if (mouseBox.intersects(menu.getExtras())) {
                // Extras Button
                menu.setMenuPosition(3);
            } else if (mouseBox.intersects(menu.getStop())) {
                // Quit Button
                menu.setMenuPosition(4);
            } else {
                menu.setMenuPosition(0);
            }
        }
        if (game.getState() == State.ARMORY) {
            for (int i = 0; i < menu.getArmoryButtons().length; i++) {
                for (int s = 0; s < menu.getArmoryButtons()[i].length; s++) {
                    if (mouseBox.intersects(menu.getArmoryButtons()[i][s])) {
                        menu.setArmoryPositionY(i);
                        menu.setArmoryPositionX(s);
                        return;
                    }
                }
            }
            menu.setArmoryPositionY(-1);
            menu.setArmoryPositionX(-1);
        }
    }

    public void tick() {
        countdown++;
    }

    public int getMx() {
        return mX;
    }

    public int getMy() {
        return mY;
    }
}