package code.kalter.longflight.screen;

import code.kalter.longflight.EventListener;
import code.kalter.longflight.Loader;
import code.kalter.longflight.LongFlight;
import code.kalter.longflight.Sprite;
import java.io.IOException;
import javax.microedition.lcdui.Image;

/**
 * Экран информации об игре
 *
 * @author Kalter
 */
public class About extends Screen {

    private final Sprite window;
    private final Sprite leftSoft;
    private final Sprite rightSoft;
    private final Image downPanel;

    public About() throws IOException {
        Loader loader = Loader.getInstance();

        // window
        Image windowImage = loader.getImage("/gfx/about/window.png");
        int windowX = (screenW - windowImage.getWidth()) / 2;
        int windowY = (screenH - windowImage.getHeight()) / 2;
        window = new Sprite(windowImage, windowX, windowY);
        window.addEvent(new EventListener() {
            // override
            public boolean is() {
                return window.isEntrySet(getXPressed(), getYPressed());
            }

            // override
            public void event() {
                setScreenMenu();
            }
        });

        // left soft
        Image leftSoftImage = loader.getImage("/gfx/awt/left_soft.png");
        int leftSoftX = 0;
        int leftSoftY = screenH - leftSoftImage.getHeight();
        leftSoft = new Sprite(leftSoftImage, leftSoftX, leftSoftY);
        leftSoft.addEvent(new EventListener() {
            // override
            public boolean is() {
                return leftSoft.isEntrySet(getXPressed(), getYPressed());
            }

            // override
            public void event() {
                setScreenMenu();
            }
        });

        // right soft
        Image rightSoftImage = loader.getImage("/gfx/awt/right_soft.png");
        int rightSoftX = screenW - rightSoftImage.getWidth();
        int rightSoftY = screenH - rightSoftImage.getHeight();
        rightSoft = new Sprite(rightSoftImage, rightSoftX, rightSoftY);
        rightSoft.addEvent(new EventListener() {
            // override
            public boolean is() {
                return rightSoft.isEntrySet(getXPressed(), getYPressed());
            }

            // override
            public void event() {
                setScreenMenu();
            }
        });

        // down panel
        downPanel = loader.getImage("/gfx/awt/down_panel.png");
    }

    // override
    public void start() {
        setDate(39, screenH - 9);
        super.start();
    }

    // override
    public void run() {
        while (getGameLoop()) {
            fps.process();
            update();
            paint();
            LongFlight.link.sleep(20);
            fps.max();
        }
    }

    // override
    public void keyPressed(int keyCode) {
        switch (getGameAction(keyCode)) {
            case FIRE:
                keyCode = RIGHT_SOFT;
                break;
        }
        switch (keyCode) {
            case RIGHT_SOFT:
            case LEFT_SOFT:
                setScreenMenu();
                break;
        }
    }

    // override
    public void pointerPressed(int x, int y) {
        super.pointerPressed(x, y);
        leftSoft.exciteEvent();
        rightSoft.exciteEvent();
        window.exciteEvent();
    }

    private void setScreenMenu() {
        LongFlight.link.setScreen(LongFlight.MENU);
    }

    private void update() {
        space.update();
    }

    private void paint() {
        space.paint(graphics);
        window.paint(graphics);
        for (int i = 0; i < screenW; i += 128) {
            graphics.drawImage(downPanel, i, screenH - 18, 0);
        }
        leftSoft.paint(graphics);
        rightSoft.paint(graphics);
        paintDate();
        flushGraphics();
    }
}