package com.floreantpos.main;

import java.awt.Component;
import java.awt.Dimension;
import java.awt.Font;
import java.io.File;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Random;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.UIManager;
import javax.swing.plaf.FontUIResource;

import net.xeoh.plugins.base.PluginManager;
import net.xeoh.plugins.base.impl.PluginManagerFactory;

import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.math.RandomUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.floreantpos.Messages;
import com.floreantpos.POSConstants;
import com.floreantpos.config.AppProperties;
import com.floreantpos.config.TerminalConfig;
import com.floreantpos.config.ui.DatabaseConfigurationDialog;
import com.floreantpos.demo.KitchenDisplayView;
import com.floreantpos.model.PosPrinters;
import com.floreantpos.model.PrinterConfiguration;
import com.floreantpos.model.Restaurant;
import com.floreantpos.model.Shift;
import com.floreantpos.model.Terminal;
import com.floreantpos.model.User;
import com.floreantpos.model.dao.OrderTypePropertiesDAO;
import com.floreantpos.model.dao.PrinterConfigurationDAO;
import com.floreantpos.model.dao.RestaurantDAO;
import com.floreantpos.model.dao.TerminalDAO;
import com.floreantpos.ui.dialog.POSMessageDialog;
import com.floreantpos.ui.views.CashierSwitchBoardView;
import com.floreantpos.ui.views.LoginView;
import com.floreantpos.ui.views.SwitchboardView;
import com.floreantpos.ui.views.order.OrderView;
import com.floreantpos.ui.views.order.RootView;
import com.floreantpos.util.DatabaseConnectionException;
import com.floreantpos.util.DatabaseUtil;
import com.floreantpos.util.POSUtil;
import com.floreantpos.util.ShiftUtil;
import com.jgoodies.looks.plastic.PlasticXPLookAndFeel;
import com.jgoodies.looks.plastic.theme.ExperienceBlue;

public class Application {
	private static Log logger = LogFactory.getLog(Application.class);

	private boolean developmentMode = false;

	private PluginManager pluginManager;

	private Terminal terminal;
	private PosWindow posWindow;
	private User currentUser;
	private RootView rootView;
	private Shift currentShift;
	public PrinterConfiguration printConfiguration;
	private Restaurant restaurant;
	private PosPrinters printers;

	private static Application instance;

	private static SimpleDateFormat dateFormat = new SimpleDateFormat("dd MMM, yyyy"); //$NON-NLS-1$
	private static ImageIcon applicationIcon;

	private boolean systemInitialized;

	public final static String VERSION = AppProperties.getVersion();

	private Application() {
		//Locale.setDefault(Locale.forLanguageTag("ar-EG"));

		applicationIcon = new ImageIcon(getClass().getResource("/icons/icon.png")); //$NON-NLS-1$
		posWindow = new PosWindow();
		posWindow.setTitle(getTitle());
		posWindow.setIconImage(applicationIcon.getImage());
	}

	public void start() {
		pluginManager = PluginManagerFactory.createPluginManager();

		if (developmentMode) {
			pluginManager.addPluginsFrom(new File("/home/amir/git/oro/target/classes").toURI());
		}
		else {
			pluginManager.addPluginsFrom(new File("plugins/").toURI()); //$NON-NLS-1$
		}

		setApplicationLook();

		rootView = RootView.getInstance();

		posWindow.getContentPane().add(rootView);
		posWindow.setupSizeAndLocation();

		if (TerminalConfig.isFullscreenMode()) {
			posWindow.enterFullScreenMode();
		}
		posWindow.setVisible(true);

		initializeSystem();
	}

	private void setApplicationLook() {
		try {

			initializeFont();

			PlasticXPLookAndFeel.setPlasticTheme(new ExperienceBlue());
			UIManager.setLookAndFeel(new PlasticXPLookAndFeel());
			//UIManager.setLookAndFeel(new NimbusLookAndFeel());
			UIManager.put("ComboBox.is3DEnabled", Boolean.FALSE); //$NON-NLS-1$
			//UIManager.put("ToggleButtonUI", "com.floreantpos.swing.POSButtonUI");
		} catch (Exception ignored) {
			ignored.printStackTrace();
		}
	}

	private void initializeFont() {
		String uiDefaultFont = TerminalConfig.getUiDefaultFont();
		if (StringUtils.isEmpty(uiDefaultFont)) {
			return;
		}

		Font sourceFont = UIManager.getFont("Label.font"); //$NON-NLS-1$
		Font font = new Font(uiDefaultFont, sourceFont.getStyle(), sourceFont.getSize());

		UIManager.put("ArrowButton.size", 40); //$NON-NLS-1$
		UIManager.put("OptionPane.buttonFont", new FontUIResource(new Font("ARIAL", Font.PLAIN, 35))); //$NON-NLS-1$ //$NON-NLS-2$
		UIManager.put("Button.font", font); //$NON-NLS-1$
		UIManager.put("ToggleButton.font", font); //$NON-NLS-1$
		UIManager.put("RadioButton.font", font); //$NON-NLS-1$
		UIManager.put("CheckBox.font", font); //$NON-NLS-1$
		UIManager.put("ColorChooser.font", font); //$NON-NLS-1$
		UIManager.put("ComboBox.font", font); //$NON-NLS-1$
		UIManager.put("Label.font", font); //$NON-NLS-1$
		UIManager.put("List.font", font); //$NON-NLS-1$
		UIManager.put("MenuBar.font", font); //$NON-NLS-1$
		UIManager.put("MenuItem.font", font); //$NON-NLS-1$
		UIManager.put("RadioButtonMenuItem.font", font); //$NON-NLS-1$
		UIManager.put("CheckBoxMenuItem.font", font); //$NON-NLS-1$
		UIManager.put("Menu.font", font); //$NON-NLS-1$
		UIManager.put("PopupMenu.font", font); //$NON-NLS-1$
		UIManager.put("OptionPane.font", font); //$NON-NLS-1$
		UIManager.put("Panel.font", font); //$NON-NLS-1$
		UIManager.put("ProgressBar.font", font); //$NON-NLS-1$
		UIManager.put("ScrollPane.font", font); //$NON-NLS-1$
		UIManager.put("Viewport.font", font); //$NON-NLS-1$
		UIManager.put("TabbedPane.font", font); //$NON-NLS-1$
		UIManager.put("Table.font", font); //$NON-NLS-1$
		UIManager.put("TableHeader.font", font); //$NON-NLS-1$
		UIManager.put("TextField.font", font); //$NON-NLS-1$
		UIManager.put("PasswordField.font", font); //$NON-NLS-1$
		UIManager.put("TextArea.font", font); //$NON-NLS-1$
		UIManager.put("TextPane.font", font); //$NON-NLS-1$
		UIManager.put("EditorPane.font", font); //$NON-NLS-1$
		UIManager.put("TitledBorder.font", font); //$NON-NLS-1$
		UIManager.put("ToolBar.font", font); //$NON-NLS-1$
		UIManager.put("ToolTip.font", font); //$NON-NLS-1$
		UIManager.put("Tree.font", font); //$NON-NLS-1$
	}

	public void initializeSystem() {
		if (isSystemInitialized()) {
			return;
		}

		try {

			posWindow.setGlassPaneVisible(true);
			//posWindow.setGlassPaneMessage(com.floreantpos.POSConstants.LOADING);

			DatabaseUtil.checkConnection(DatabaseUtil.initialize());

			initTerminal();
			initPrintConfig();
			refreshRestaurant();
			loadPrinters();
			//setTicketActiveSetterScheduler();
			setSystemInitialized(true);

		} catch (DatabaseConnectionException e) {
			e.printStackTrace();
			StringWriter writer = new StringWriter();
			e.printStackTrace(new PrintWriter(writer));

			if (writer.toString().contains(Messages.getString("Application.3"))) { //$NON-NLS-1$
				POSMessageDialog.showError(Application.getPosWindow(), Messages.getString("Application.4") + Messages.getString("Application.40")); //$NON-NLS-1$ //$NON-NLS-2$

				return;
			}
			else {
				int option = JOptionPane.showConfirmDialog(getPosWindow(),
						Messages.getString("Application.0"), Messages.getString(POSConstants.POS_MESSAGE_ERROR), JOptionPane.YES_NO_OPTION); //$NON-NLS-1$ //$NON-NLS-2$
				if (option == JOptionPane.YES_OPTION) {
					DatabaseConfigurationDialog.show(Application.getPosWindow());
				}
			}
		} catch (Exception e) {
			POSMessageDialog.showError(getPosWindow(), e.getMessage(), e);
			e.printStackTrace();
			logger.error(e);
		} finally {
			getPosWindow().setGlassPaneVisible(false);
		}
	}

	private void loadPrinters() {
		printers = PosPrinters.load();
		if (printers == null) {
			printers = new PosPrinters();
		}
	}

	//	private void setTicketActiveSetterScheduler() {
	//		Calendar calendar = Calendar.getInstance();
	//		calendar.set(Calendar.DAY_OF_MONTH, calendar.get(Calendar.DAY_OF_MONTH) + 1);
	//		calendar.set(Calendar.HOUR_OF_DAY, 0);
	//		calendar.set(Calendar.MINUTE, 0);
	//		calendar.set(Calendar.SECOND, 0);
	//
	//	}

	private void initPrintConfig() {
		printConfiguration = PrinterConfigurationDAO.getInstance().get(PrinterConfiguration.ID);
		if (printConfiguration == null) {
			printConfiguration = new PrinterConfiguration();
		}
	}

	private void initTerminal() {
		int terminalId = TerminalConfig.getTerminalId();

		if (terminalId == -1) {
			Random random = new Random();
			terminalId = random.nextInt(10000) + 1;
		}

		Terminal terminal = null;
		try {
			terminal = TerminalDAO.getInstance().get(new Integer(terminalId));
			if (terminal == null) {
				terminal = new Terminal();
				terminal.setId(terminalId);
				terminal.setOpeningBalance(new Double(500));
				terminal.setCurrentBalance(new Double(500));
				terminal.setName(String.valueOf(terminalId)); //$NON-NLS-1$

				TerminalDAO.getInstance().saveOrUpdate(terminal);
			}
		} catch (Exception e) {
			throw new DatabaseConnectionException();
		}

		TerminalConfig.setTerminalId(terminalId);
		RootView.getInstance().getLoginScreen().setTerminalId(terminalId);

		this.terminal = terminal;

		OrderTypePropertiesDAO.populate();
	}

	public void refreshRestaurant() {
		try {
			this.restaurant = RestaurantDAO.getRestaurant();

			if (restaurant.getUniqueId() == null || restaurant.getUniqueId() == 0) {
				restaurant.setUniqueId(RandomUtils.nextInt());
				RestaurantDAO.getInstance().saveOrUpdate(restaurant);
			}

			if (restaurant.isItemPriceIncludesTax()) {
				posWindow.setStatus(Messages.getString("Application.41")); //$NON-NLS-1$
			}
			else {
				posWindow.setStatus(Messages.getString("Application.42")); //$NON-NLS-1$
			}
		} catch (Exception e) {
			throw new DatabaseConnectionException();
		}
	}

	public static String getCurrencyName() {
		Application application = getInstance();
		if (application.restaurant == null) {
			application.refreshRestaurant();
		}
		return application.restaurant.getCurrencyName();
	}

	public static String getCurrencySymbol() {
		Application application = getInstance();
		if (application.restaurant == null) {
			application.refreshRestaurant();
		}
		return application.restaurant.getCurrencySymbol();
	}

	public synchronized static Application getInstance() {
		if (instance == null) {
			instance = new Application();

		}
		return instance;
	}

	public void shutdownPOS() {
		JOptionPane optionPane = new JOptionPane(com.floreantpos.POSConstants.SURE_SHUTDOWN_, JOptionPane.QUESTION_MESSAGE, JOptionPane.YES_NO_OPTION);
		Object[] options = optionPane.getComponents();
		for (Object object : options) {
			if (object instanceof JPanel) {
				JPanel panel = (JPanel) object;
				Component[] components = panel.getComponents();
				for (Component component : components) {
					if (component instanceof JButton) {
						component.setPreferredSize(new Dimension(component.getPreferredSize().width, 60));
					}
				}
			}
		}

		JDialog dialog = optionPane.createDialog(POSUtil.getFocusedWindow(), com.floreantpos.POSConstants.MDS_POS);
		dialog.setVisible(true);

		//		int option = JOptionPane.showOptionDialog(getPosWindow(), com.floreantpos.POSConstants.SURE_SHUTDOWN_, com.floreantpos.POSConstants.CONFIRM_SHUTDOWN,
		//				JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE, null, null, null);

		Object selectedValue = optionPane.getValue();

		if (selectedValue == null)
			return;

		if (selectedValue instanceof Integer) {
			if (((Integer) selectedValue).intValue() == JOptionPane.YES_OPTION) {
				posWindow.saveSizeAndLocation();
				System.exit(0);
			}
		}
	}

	public synchronized void doLogin(User user) {
		initializeSystem();

		if (user == null) {
			return;
		}

		Shift currentShift = ShiftUtil.getCurrentShift();
		setCurrentShift(currentShift);

		if (!user.isClockedIn()) {

			int option = POSMessageDialog.showYesNoQuestionDialog(posWindow, Messages.getString("Application.43"), Messages.getString("Application.44")); //$NON-NLS-1$ //$NON-NLS-2$
			if (option == JOptionPane.YES_OPTION) {



				//			if (currentShift == null) {
				//				throw new ShiftException(POSConstants.NO_SHIFT_CONFIGURED);
				//			}

				Calendar currentTime = Calendar.getInstance();
				user.doClockIn(getTerminal(), currentShift, currentTime);
				//			ShiftUtil.adjustUserShiftAndClockIn(user, currentShift);
			}
		}

		setCurrentUser(user);

		RootView rootView = getRootView();

		if (!rootView.hasView(OrderView.VIEW_NAME)) {
			rootView.addView(OrderView.getInstance());
		}

		if (TerminalConfig.isCashierMode()) {
			if (!rootView.hasView(CashierSwitchBoardView.VIEW_NAME)) {
				CashierSwitchBoardView view = new CashierSwitchBoardView();
				rootView.addView(view);
			}

			rootView.showView(CashierSwitchBoardView.VIEW_NAME);
		}
		else if (TerminalConfig.isKitchenMode()) {
			if (rootView.hasView(KitchenDisplayView.VIEW_NAME)) {
				rootView.showView(KitchenDisplayView.VIEW_NAME);
			}
			else {
				KitchenDisplayView kitchenDisplayView = new KitchenDisplayView(false);
				rootView.addView(kitchenDisplayView);
				rootView.showView(KitchenDisplayView.VIEW_NAME);
			}
		}
		else {
			rootView.showView(SwitchboardView.getInstance());
		}
	}

	public void doLogout() {
		currentShift = null;
		setCurrentUser(null);
		RootView.getInstance().showView(LoginView.VIEW_NAME);
	}

	public static User getCurrentUser() {
		return getInstance().currentUser;
	}

	public void setCurrentUser(User currentUser) {
		this.currentUser = currentUser;
	}

	public RootView getRootView() {
		return rootView;
	}

	public void setRootView(RootView rootView) {
		this.rootView = rootView;
	}

	public static PosWindow getPosWindow() {
		return getInstance().posWindow;
	}

	public Terminal getTerminal() {
		return terminal;
	}

	public synchronized Terminal refreshAndGetTerminal() {

		TerminalDAO.getInstance().refresh(terminal);

		return terminal;
	}

	//	public static PrinterConfiguration getPrinterConfiguration() {
	//		return getInstance().printConfiguration;
	//	}

	public static PosPrinters getPrinters() {
		return getInstance().printers;
	}

	public static String getTitle() {
		return "Floreant POS - Version " + VERSION; //$NON-NLS-1$
	}

	public static ImageIcon getApplicationIcon() {
		return applicationIcon;
	}

	public static void setApplicationIcon(ImageIcon applicationIcon) {
		Application.applicationIcon = applicationIcon;
	}

	public static String formatDate(Date date) {
		return dateFormat.format(date);
	}

	public Shift getCurrentShift() {
		return currentShift;
	}

	public void setCurrentShift(Shift currentShift) {
		this.currentShift = currentShift;
	}

	public boolean isSystemInitialized() {
		return systemInitialized;
	}

	public void setSystemInitialized(boolean systemInitialized) {
		this.systemInitialized = systemInitialized;
	}

	public Restaurant getRestaurant() {
		return restaurant;
	}

	public static PluginManager getPluginManager() {
		return getInstance().pluginManager;
	}

	public static File getWorkingDir() {
		File file = new File(Application.class.getProtectionDomain().getCodeSource().getLocation().getPath());

		return file.getParentFile();
	}

	public boolean isDevelopmentMode() {
		return developmentMode;
	}

	public void setDevelopmentMode(boolean developmentMode) {
		this.developmentMode = developmentMode;
	}

	public boolean isPriceIncludesTax() {
		Restaurant restaurant = getRestaurant();
		if (restaurant == null) {
			return false;
		}

		return POSUtil.getBoolean(restaurant.isItemPriceIncludesTax());
	}

	public String getLocation() {
		File file = new File(getClass().getProtectionDomain().getCodeSource().getLocation().getFile());
		return file.getParent();
	}
}