package com.floreantpos.util;

import java.awt.Window;
import java.net.URLEncoder;

import javax.swing.JOptionPane;

import com.floreantpos.Messages;
import com.floreantpos.PosException;
import com.floreantpos.actions.DrawerAssignmentAction;
import com.floreantpos.bo.ui.BackOfficeWindow;
import com.floreantpos.main.Application;
import com.floreantpos.ui.dialog.POSMessageDialog;

public class POSUtil {
	public static Window getFocusedWindow() {
		Window[] windows = Window.getWindows();
		for (Window window : windows) {
			if (window.hasFocus()) {
				return window;
			}
		}

		return null;
	}

	public static BackOfficeWindow getBackOfficeWindow() {
		Window[] windows = Window.getWindows();
		for (Window window : windows) {
			if (window instanceof BackOfficeWindow) {
				return (BackOfficeWindow) window;
			}
		}

		return null;
	}

	public static boolean isBlankOrNull(String str) {
		if (str == null) {
			return true;
		}
		if (str.trim().equals("")) { //$NON-NLS-1$
			return true;
		}
		return false;
	}

	public static String escapePropertyKey(String propertyKey) {
		return propertyKey.replaceAll("\s+", "_"); //$NON-NLS-1$ //$NON-NLS-2$
	}

	public static boolean getBoolean(String b) {
		if (b == null) {
			return false;
		}

		return Boolean.valueOf(b);
	}

	public static boolean getBoolean(Boolean b) {
		if (b == null) {
			return false;
		}

		return b;
	}

	public static boolean getBoolean(Boolean b, boolean defaultValue) {
		if (b == null) {
			return defaultValue;
		}

		return b;
	}

	public static double getDouble(Double d) {
		if (d == null) {
			return 0;
		}

		return d;
	}

	public static int getInteger(Integer d) {
		if (d == null) {
			return 0;
		}

		return d;
	}

	public static int parseInteger(String s) {
		try {
			return Integer.parseInt(s);
		} catch (Exception x) {
			return 0;
		}
	}

	public static int parseInteger(String s, String parseErrorMessage) {
		try {
			return Integer.parseInt(s);
		} catch (Exception x) {
			throw new PosException(parseErrorMessage);
		}
	}

	public static double parseDouble(String s) {
		try {
			return Double.parseDouble(s);
		} catch (Exception x) {
			return 0;
		}
	}

	public static double parseDouble(String s, String parseErrorMessage, boolean mandatory) {
		try {
			return Double.parseDouble(s);
		} catch (Exception x) {
			if (mandatory) {
				throw new PosException(parseErrorMessage);
			}
			else {
				return 0;
			}
		}
	}

	public static String encodeURLString(String s) {
		try {
			return URLEncoder.encode(s, "UTF-8"); //$NON-NLS-1$
		} catch (Exception x) {
			return s;
		}
	}

	public static boolean isValidPassword(char[] password) {
		for (char c : password) {
			if(!Character.isDigit(c)) {
				return false;
			}
		}

		return true;
	}

	public static boolean checkDrawerAssignment() {
		if (!Application.getInstance().getTerminal().isCashDrawerAssigned()) {
			int option = POSMessageDialog.showYesNoQuestionDialog(Application.getPosWindow(), Messages.getString("SwitchboardView.15") + //$NON-NLS-1$
					Messages.getString("SwitchboardView.16"), Messages.getString("SwitchboardView.17")); //$NON-NLS-1$ //$NON-NLS-2$

			if(option == JOptionPane.YES_OPTION) {
				DrawerAssignmentAction action = new DrawerAssignmentAction();
				action.execute();
				return false;
			}
			else {
				POSMessageDialog.showError(Application.getPosWindow(), Messages.getString("SwitchboardView.18")); //$NON-NLS-1$
				return false;
			}
		}

		return true;
	}
}