/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: Helper.java,v $
 * $Revision: 1.10 $
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/
package com.sun.star.wizards.common;

import com.sun.star.uno.XComponentContext;
import com.sun.star.util.XMacroExpander;
import java.util.Calendar;

import com.sun.star.beans.Property;
import com.sun.star.beans.PropertyValue;
import com.sun.star.beans.XPropertySet;
// import com.sun.star.i18n.NumberFormatIndex;
import com.sun.star.lang.Locale;
import com.sun.star.lang.XMultiServiceFactory;
// import com.sun.star.uno.Any;
import com.sun.star.uno.AnyConverter;
import com.sun.star.uno.RuntimeException;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.util.DateTime;
import com.sun.star.util.XNumberFormatsSupplier;
import com.sun.star.util.XNumberFormatter;

public class Helper
{

    /** Creates a new instance of Helper */
    public Helper()
    {
    }

    public static long convertUnoDatetoInteger(com.sun.star.util.Date DateValue)
    {
        java.util.Calendar oCal = java.util.Calendar.getInstance();
        oCal.set(DateValue.Year, DateValue.Month, DateValue.Day);
        java.util.Date dTime = oCal.getTime();
        long lTime = dTime.getTime();
        long lDate = lTime / (3600 * 24000);
        return lDate;
    }

    public static void setUnoPropertyValue(Object oUnoObject, String PropertyName, Object PropertyValue)
    {
        try
        {
            XPropertySet xPSet = (XPropertySet) UnoRuntime.queryInterface(XPropertySet.class, oUnoObject);
            if (xPSet.getPropertySetInfo().hasPropertyByName(PropertyName))
            {
                xPSet.setPropertyValue(PropertyName, PropertyValue);
            }
            else
            {
                Property[] selementnames = xPSet.getPropertySetInfo().getProperties();
                throw new java.lang.IllegalArgumentException("No Such Property: '" + PropertyName + "'");
            }
        }
        catch (Exception exception)
        {
            exception.printStackTrace(System.out);
        }
    }

    public static Object getUnoObjectbyName(Object oUnoObject, String ElementName)
    {
        try
        {
            com.sun.star.container.XNameAccess xName = (com.sun.star.container.XNameAccess) UnoRuntime.queryInterface(com.sun.star.container.XNameAccess.class, oUnoObject);
            if (xName.hasByName(ElementName) == true)
            {
                return xName.getByName(ElementName);
            }
            else
            {
                throw new RuntimeException();
            }
        }
        catch (Exception exception)
        {
            exception.printStackTrace(System.out);
            return null;
        }
    }

    public static Object getPropertyValue(PropertyValue[] CurPropertyValue, String PropertyName)
    {
        int MaxCount = CurPropertyValue.length;
        for (int i = 0; i < MaxCount; i++)
        {
            if (CurPropertyValue[i] != null)
            {
                if (CurPropertyValue[i].Name.equals(PropertyName))
                {
                    return CurPropertyValue[i].Value;
                }
            }
        }
        throw new RuntimeException();
    }

    public static Object getUnoPropertyValue(Object oUnoObject, String PropertyName, java.lang.Class xClass)
    {
        try
        {
            if (oUnoObject != null)
            {
                XPropertySet xPSet = (XPropertySet) UnoRuntime.queryInterface(XPropertySet.class, oUnoObject);
                Object oObject = xPSet.getPropertyValue(PropertyName);
                if (AnyConverter.isVoid(oObject))
                {
                    return null;
                }
                else
                {
                    return com.sun.star.uno.AnyConverter.toObject(new com.sun.star.uno.Type(xClass), oObject);
                }
            }
            return null;
        }
        catch (Exception exception)
        {
            exception.printStackTrace(System.out);
            return null;
        }
    }

    public static Object getPropertyValuefromAny(Object[] CurPropertyValue, String PropertyName)
    {
        if (CurPropertyValue != null)
        {
            int MaxCount = CurPropertyValue.length;
            for (int i = 0; i < MaxCount; i++)
            {
                if (CurPropertyValue[i] != null)
                {
                    PropertyValue aValue = (PropertyValue) CurPropertyValue[i];
                    if (aValue != null && aValue.Name.equals(PropertyName))
                    {
                        return aValue.Value;
                    }
                }
            }
        }
        //  System.out.println("Property not found: " + PropertyName);
        return null;
    }

    public static Object getPropertyValuefromAny(Object[] CurPropertyValue, String PropertyName, java.lang.Class xClass)
    {
        try
        {
            if (CurPropertyValue != null)
            {
                int MaxCount = CurPropertyValue.length;
                for (int i = 0; i < MaxCount; i++)
                {
                    if (CurPropertyValue[i] != null)
                    {
                        PropertyValue aValue = (PropertyValue) CurPropertyValue[i];
                        if (aValue != null && aValue.Name.equals(PropertyName))
                        {
                            return com.sun.star.uno.AnyConverter.toObject(new com.sun.star.uno.Type(xClass), aValue.Value);
                        }
                    }
                }
            }
            //  System.out.println("Property not found: " + PropertyName);
            return null;
        }
        catch (Exception exception)
        {
            exception.printStackTrace(System.out);
            return null;
        }
    }

    public static Object getUnoPropertyValue(Object oUnoObject, String PropertyName)
    {
        try
        {
            if (oUnoObject != null)
            {
                XPropertySet xPSet = (XPropertySet) UnoRuntime.queryInterface(XPropertySet.class, oUnoObject);
                // Property[] aProps = xPSet.getPropertySetInfo().getProperties();
                Object oObject = xPSet.getPropertyValue(PropertyName);
                return oObject;
            }
        }
        catch (Exception exception)
        {
            exception.printStackTrace(System.out);
        }
        return null;
    }

    public static Object getUnoArrayPropertyValue(Object oUnoObject, String PropertyName)
    {
        try
        {
            if (oUnoObject != null)
            {
                XPropertySet xPSet = (XPropertySet) UnoRuntime.queryInterface(XPropertySet.class, oUnoObject);
                Object oObject = xPSet.getPropertyValue(PropertyName);
                if (AnyConverter.isArray(oObject))
                {
                    return getArrayValue(oObject);
                }
            }
        }
        catch (Exception exception)
        {
            exception.printStackTrace(System.out);
        }
        return null;
    }

    public static Object getUnoStructValue(Object oUnoObject, String PropertyName)
    {
        try
        {
            if (oUnoObject != null)
            {
                XPropertySet xPSet = (XPropertySet) UnoRuntime.queryInterface(XPropertySet.class, oUnoObject);
                if (xPSet.getPropertySetInfo().hasPropertyByName(PropertyName) == true)
                {
                    Object oObject = xPSet.getPropertyValue(PropertyName);
                    return oObject;
                }
            }
            return null;
        }
        catch (Exception exception)
        {
            exception.printStackTrace(System.out);
            return null;
        }
    }

    public static void setUnoPropertyValues(Object oUnoObject, String[] PropertyNames, Object[] PropertyValues)
    {
        try
        {
            com.sun.star.beans.XMultiPropertySet xMultiPSetLst = (com.sun.star.beans.XMultiPropertySet) UnoRuntime.queryInterface(com.sun.star.beans.XMultiPropertySet.class, oUnoObject);
            if (xMultiPSetLst != null)
            {
                xMultiPSetLst.setPropertyValues(PropertyNames, PropertyValues);
            }
            else
            {
                for (int i = 0; i < PropertyNames.length; i++)
                {
                    //System.out.println(PropertyNames[i] + "=" + PropertyValues[i]);
                    setUnoPropertyValue(oUnoObject, PropertyNames[i], PropertyValues[i]);
                }
            }
        }
        catch (Exception exception)
        {
            exception.printStackTrace(System.out);
        }
    }

    /**
     * @author bc93774
     * checks if the value of an object that represents an array is null.
     * check beforehand if the Object is really an array with "AnyConverter.IsArray(oObject)
     * @param oValue the paramter that has to represent an object
     * @return a null reference if the array is empty
     */
    public static Object getArrayValue(Object oValue)
    {
        try
        {
            Object oPropList = com.sun.star.uno.AnyConverter.toArray(oValue);
            int nlen = java.lang.reflect.Array.getLength(oPropList);
            if (nlen == 0)
            {
                return null;
            }
            else
            {
                return oPropList;
            }
        }
        catch (Exception exception)
        {
            exception.printStackTrace(System.out);
            return null;
        }
    }
    private static long DAY_IN_MILLIS = (24 * 60 * 60 * 1000);

    public static class DateUtils
    {

        private long docNullTime;
        private XNumberFormatter formatter;
        private XNumberFormatsSupplier formatSupplier;
        private Calendar calendar;

        public DateUtils(XMultiServiceFactory xmsf, Object document) throws Exception
        {
            XMultiServiceFactory docMSF = (XMultiServiceFactory) UnoRuntime.queryInterface(XMultiServiceFactory.class, document);

            Object defaults = docMSF.createInstance("com.sun.star.text.Defaults");
            Locale l = (Locale) Helper.getUnoStructValue(defaults, "CharLocale");

            java.util.Locale jl = new java.util.Locale(
                    l.Language, l.Country, l.Variant);

            calendar = Calendar.getInstance(jl);

            formatSupplier = (XNumberFormatsSupplier) UnoRuntime.queryInterface(XNumberFormatsSupplier.class, document);

            Object formatSettings = formatSupplier.getNumberFormatSettings();
            com.sun.star.util.Date date = (com.sun.star.util.Date) Helper.getUnoPropertyValue(formatSettings, "NullDate");

            calendar.set(date.Year, date.Month - 1, date.Day);
            docNullTime = getTimeInMillis();

            formatter = NumberFormatter.createNumberFormatter(xmsf, formatSupplier);
        }

        /**
         * @param format a constant of the enumeration NumberFormatIndex
         * @return
         */
        public int getFormat(short format)
        {
            return NumberFormatter.getNumberFormatterKey(formatSupplier, format);
        }

        public XNumberFormatter getFormatter()
        {
            return formatter;
        }

        private long getTimeInMillis()
        {
            java.util.Date dDate = calendar.getTime();
            return dDate.getTime();
        }

        /**
         * @param date a VCL date in form of 20041231
         * @return a document relative date
         */
        public synchronized double getDocumentDateAsDouble(int date)
        {
            calendar.clear();
            calendar.set(date / 10000,
                    (date % 10000) / 100 - 1,
                    date % 100);

            long date1 = getTimeInMillis();
            /*
             * docNullTime and date1 are in millis, but
             * I need a day...
             */
            double daysDiff = (date1 - docNullTime) / DAY_IN_MILLIS + 1;

            return daysDiff;
        }

        public double getDocumentDateAsDouble(DateTime date)
        {
            return getDocumentDateAsDouble(date.Year * 10000 + date.Month * 100 + date.Day);
        }

        public synchronized double getDocumentDateAsDouble(long javaTimeInMillis)
        {
            calendar.clear();
            JavaTools.setTimeInMillis(calendar, javaTimeInMillis);

            long date1 = getTimeInMillis();

            /*
             * docNullTime and date1 are in millis, but
             * I need a day...
             */
            double daysDiff = (date1 - docNullTime) / DAY_IN_MILLIS + 1;

            return daysDiff;

        }

        public String format(int formatIndex, int date)
        {
            return formatter.convertNumberToString(formatIndex, getDocumentDateAsDouble(date));
        }

        public String format(int formatIndex, DateTime date)
        {
            return formatter.convertNumberToString(formatIndex, getDocumentDateAsDouble(date));
        }

        public String format(int formatIndex, long javaTimeInMillis)
        {
            return formatter.convertNumberToString(formatIndex, getDocumentDateAsDouble(javaTimeInMillis));
        }
    }

    public static XComponentContext getComponentContext(XMultiServiceFactory _xMSF)
    {
        // Get the path to the extension and try to add the path to the class loader
        final XPropertySet xProps = (XPropertySet) UnoRuntime.queryInterface(XPropertySet.class, _xMSF);
        final PropertySetHelper aHelper = new PropertySetHelper(xProps);
        final Object aDefaultContext = aHelper.getPropertyValueAsObject("DefaultContext");
        final XComponentContext xComponentContext = (XComponentContext) UnoRuntime.queryInterface(XComponentContext.class, aDefaultContext);
        return xComponentContext;
    }

    public static XMacroExpander getMacroExpander(XMultiServiceFactory _xMSF)
    {
        final XComponentContext xComponentContext = getComponentContext(_xMSF);
        final Object aSingleton = xComponentContext.getValueByName("/singletons/com.sun.star.util.theMacroExpander");
        XMacroExpander xExpander = (XMacroExpander) UnoRuntime.queryInterface(XMacroExpander.class, aSingleton);
        // String[][] aStrListList = xProvider.getExtensionList();
//     final String sLocation = xProvider.getPackageLocation("com.sun.reportdesigner");
        return xExpander;
    }
}