import java.awt.*;
import java.awt.geom.*;
import javax.swing.*;
import java.awt.event.*;
import java.awt.image.*;
import java.io.*;
import javax.imageio.*;

public class GraphicsMenu extends GameEngine {
	// Main Function
	public static void main(String args[]) {
        createGame(new GraphicsMenu());
	}

	//-------------------------------------------------------
	// Your Program
	//-------------------------------------------------------

	enum GameState {Menu, Playing, Options};
	GameState state = GameState.Menu;

	int menuOption = 0;

	//volume of background sound
	float volume = -4;
	float volume2 = -4;

	Image play;
	Image playHighlighted;
	Image options;
	Image optionsHighlighted;
	Image exit;
	Image exitHighlighted;

	Image menuBackground;
	Image test;
	Image test2;
	Image test3;

	Image size1;
	Image size1Highlighted;
	Image size2;
	Image size2Highlighted;

	Image hud;

	AudioClip background;
	AudioClip beep;
	//Game variables
	int health;
	int tester, tester2;

    public void init() {
		setWindowSize(1100, 650);
		play               = loadImage("Play1.png");
		playHighlighted    = loadImage("Playhighlighted.png");
		options            = loadImage("Options1.png");
		optionsHighlighted = loadImage("Optionshighlighted.png");
		exit               = loadImage("Exit1.png");
		exitHighlighted    = loadImage("Exithighlighted.png");

		menuBackground     = loadImage("NewBackground.png");
		test					 = loadImage("NewBackground.png");
		test2					 = loadImage("titlegame2.png");
		test3					 = loadImage("backgroundtest.png");

		size1              = loadImage("mutesound.png");
		size1Highlighted   = loadImage("mutesoundhighlighted.png");
		size2              = loadImage("background1.png");
		size2Highlighted   = loadImage("background1highlighted.png");

		hud                = loadImage("HUD.png");

		tester 				 = 0;
		tester2				 = 0;
		// pull file and start background music loop
		background 			 = loadAudio("pvzbackground.wav");
		beep 					 = loadAudio("beep.wav");
		startAudioLoop(background, volume);
    }


	//Updates the display
	public void update(double dt) {
		if(state == GameState.Playing) {
			health--;

			if(health <= 0) {
				state = GameState.Menu;
			}
		}
	}

	//-------------------------------------------------------
	//This gets called any time the Operating System
	//tells the program to paint itself
	public void paintComponent() {
		changeBackgroundColor(white);
		clearBackground(width(), height());

		if(state == GameState.Menu) {
			paintMenu();
		} else if(state == GameState.Options) {
			paintOptions();
		} else if(state == GameState.Playing) {
			paintGame();
		}
	}

	//Function to paint the menu
	public void paintMenu() {
		if(tester == 0){
			//draw background
			drawImage(test, 0, 0, width(), height());
			//draw title
			drawImage(test2, 310, 120);
		}

		if(tester == 1){
			//draw new background
			drawImage(test3, 0, 0);
			//draw title
			drawImage(test2, 310, 120);
		}
		//Play
		if(menuOption == 0) {
			drawImage(playHighlighted, 498, 200);
		} else {
			drawImage(play,            498, 200);
		}

		//Options
		if(menuOption == 1) {
			drawImage(optionsHighlighted, 473, 250);
		} else {
			drawImage(options,            473, 250);
		}

		//Exit
		if(menuOption == 2) {
			drawImage(exitHighlighted, 501, 300);
		} else {
			drawImage(exit,            501, 300);
		}
	}

	//Function to paint the options menu
	public void paintOptions() {
		if(tester == 0){
			//draw background
			drawImage(test, 0, 0, width(), height());
			//draw title
			drawImage(test2, 310, 120);
		}

		if(tester == 1){
			//draw new background
			drawImage(test3, 0, 0);
			//draw title
			drawImage(test2, 310, 120);
		}

		//Play
		if(menuOption == 0) {
			drawImage(size1Highlighted, 438, 200);
		} else {
			drawImage(size1,            438, 200);
		}

		//Options
		if(menuOption == 1) {
			drawImage(size2Highlighted, 384, 250);
		} else {
			drawImage(size2,            384, 250);
		}

		//Exit
		if(menuOption == 2) {
			drawImage(exitHighlighted, 501, 300);
		} else {
			drawImage(exit,            501, 300);
		}
	}

	//Function to paint the game
	public void paintGame() {
	//First part of game

	}

	public void paintHUD() {
		//Second part of game

	}

	//-------------------------------------------------------
	//Called whenever a key is pressed
    public void keyPressed(KeyEvent e) {
    	if(state == GameState.Menu) {
    		keyPressedMenu(e);
			playAudio(beep, volume2);
    	} else if(state == GameState.Options) {
    		keyPressedOptions(e);
			playAudio(beep, volume2);
    	} else {
    		keyPressedGame(e);
			playAudio(beep, volume2);
    	}
    }

    //Called whenever a key is pressed in the menu
    public void keyPressedMenu(KeyEvent e) {
		//Up Arrow
		if(e.getKeyCode() == KeyEvent.VK_UP) {
			if(menuOption > 0) {
				menuOption--;
			}
		}
		//Down Arrow
		if(e.getKeyCode() == KeyEvent.VK_DOWN) {
			if(menuOption < 2) {
				menuOption++;
			}
		}
		//Enter Key
		if(e.getKeyCode() == KeyEvent.VK_ENTER) {
			if(menuOption == 0) {
				//Start Game
				health = 100;
				state = GameState.Playing;
			} else if(menuOption == 1) {
				//Option Menu
				state = GameState.Options;
				menuOption = 0;
			} else {
				//Exit
				System.exit(0);
			}
		}
	}

	//Called whenever a key is pressed in the options menu
    public void keyPressedOptions(KeyEvent e) {
    	//Up Arrow
		if(e.getKeyCode() == KeyEvent.VK_UP) {
			if(menuOption > 0) {
				menuOption--;
			}
		}
		//Down Arrow
		if(e.getKeyCode() == KeyEvent.VK_DOWN) {
			if(menuOption < 2) {
				menuOption++;
			}
		}
		//Enter Key
		if(e.getKeyCode() == KeyEvent.VK_ENTER) {
			if(menuOption == 0) {
					//change sound
					stopAudioLoop(background);
					volume2 = -50;
			} else if(menuOption == 1) {
				//change background
				if(tester == 0){
					tester = 1;
				}else if(tester == 1){
					tester = 0;
				}

			} else {
				//Exit
				state = GameState.Menu;
				menuOption = 0;
			}
		}
    }

	//Called whenever a key is pressed in the game
    public void keyPressedGame(KeyEvent e) {
		//In the game
        if(e.getKeyCode() == KeyEvent.VK_Q ||
                e.getKeyCode() == KeyEvent.VK_ESCAPE) {
			state = GameState.Menu;
		}
    }
}