// -*- c++ -*-

/*
 * Jakelib2 - General purpose C++ library
 * Copyright (C) 2001 Florian Wolff  (florian@donuz.de)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * $Id: DateFormatTest.jlc,v 1.7 2003/10/12 13:16:39 heiko Exp $
 */


#include "Test.h"
#include <jakelib2/lang/all.h>
#include <jakelib2/util/all.h>
#include <jakelib2/text/all.h>

using namespace jakelib::lang;
using namespace jakelib::util;
using namespace jakelib::text;

#pragma javasyntax


void testSimpleDateFormat(Locale *loc, Calendar *cal, String *pattern = null)
{
  SimpleDateFormat *sdf;

  if (loc != null)
    Locale::setDefault(loc);

  if (pattern != null)
    sdf = new SimpleDateFormat(pattern);
  else {
    DateFormatSymbols *syms = new DateFormatSymbols(Locale::getDefault());
    sdf = new SimpleDateFormat(syms->getDateTimeFormats()->get(DateFormat::FULL));
  }
  System::out->println("" .. loc .. ": " .. sdf->format(cal->getTime()));
}

void dateFormatTest()
{
  try {
    String *germanShort = "dd.MM.yyyy HH:mm";
    String *germanMedium = "dd.MM.yyyy HH:mm:ss.SSS";
    String *germanLong = "dd. MMMM yyyy HH:mm:ss.SSS";

    GregorianCalendar *cal1 = new GregorianCalendar(2003, Calendar::SEPTEMBER, 20,
                                                    9, 52);
    testSimpleDateFormat(null, cal1, germanMedium);

    GregorianCalendar *cal2 = new GregorianCalendar(2003, Calendar::JANUARY, 3,
                                                    15, 5);
    testSimpleDateFormat(null, cal2, germanShort);
    testSimpleDateFormat(null, new GregorianCalendar(), germanMedium);
    testSimpleDateFormat(null, new GregorianCalendar(), germanLong);
    testSimpleDateFormat(null, new GregorianCalendar());

    // Use current date/time:
    SimpleDateFormat *sdf = new SimpleDateFormat(germanMedium);
    GregorianCalendar *cal0 = new GregorianCalendar();

    JTEST_RETURN_STRING("Testing SimpleDateFormat \"" .. germanMedium .. "\"",
                        sdf->format(cal0->getTime()),
                        String::printf("%02i.%02i.%04i %02i:%02i:%02i.%03i",
                                       cal0->get(Calendar::DATE),
                                       cal0->get(Calendar::MONTH) +1,
                                       cal0->get(Calendar::YEAR),
                                       cal0->get(Calendar::HOUR_OF_DAY),
                                       cal0->get(Calendar::MINUTE),
                                       cal0->get(Calendar::SECOND),
                                       cal0->get(Calendar::MILLISECOND)));

    System::out->println("Testing some Locales:");
    testSimpleDateFormat(Locale::GERMANY, cal0);
    testSimpleDateFormat(Locale::FRANCE, cal0);
    testSimpleDateFormat(Locale::US, cal0);
    testSimpleDateFormat(Locale::UK, cal0);
    testSimpleDateFormat(new Locale("es"), cal0);

    System::out->println("new Date(): " .. cal0->getTime());
    System::out->println("new Date(): " .. new Date());


    System::out->println("Doing som SimpleDateFormat parsing:");
    // first:
    System::out->println("Parsing \"17.Mai.1978 12:30:40\" with \"dd.MMMM.yyyy HH:mm:ss\": ");
    Date * hdate = (new SimpleDateFormat("dd.MMMM.yyyy HH:mm:ss", Locale::GERMANY))->parse("17.Mai.1978 12:30:40", null);
    Calendar * hCal = new GregorianCalendar();
    hCal->setTime(hdate);
    testSimpleDateFormat(Locale::GERMANY, hCal);
    
    // second:
    System::out->println("Parsing \"25.01.76 05:30:40 PM\" with \"dd.MM.yy hh:mm:ss aa\": ");
    hdate = (new SimpleDateFormat("dd.MM.yy hh:mm:ss aa", Locale::GERMANY))->parse("25.01.76 05:30:40 PM", null);
    hCal->setTime(hdate);
    testSimpleDateFormat(Locale::GERMANY, hCal);

    // third:
    System::out->println("Parsing \"25.01.76\" with \"dd.MM.yy\": ");
    hdate = (new SimpleDateFormat("dd.MM.yy", Locale::GERMANY))->parse("25.01.76", null);
    hCal->setTime(hdate);
    testSimpleDateFormat(Locale::GERMANY, hCal);
  }
  catch (Exception *ex) {
    System::out->println(ex);
  }
}