/*
 * Copyright (C) 2012 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef LocaleWin_h
#define LocaleWin_h

#include "Localizer.h"
#include <windows.h>
#include <wtf/Forward.h>
#include <wtf/Vector.h>
#include <wtf/text/WTFString.h>

namespace WebCore {

class DateComponents;
struct DateFormatToken;

class LocaleWin : public Localizer {
public:
    static PassOwnPtr<LocaleWin> create(LCID);
    ~LocaleWin();
    virtual double parseDateTime(const String&, DateComponents::Type) OVERRIDE;
#if ENABLE(CALENDAR_PICKER)
    virtual String dateFormatText() OVERRIDE;
    virtual const Vector<String>& monthLabels() OVERRIDE;
    virtual const Vector<String>& weekDayShortLabels() OVERRIDE;
    virtual unsigned firstDayOfWeek() OVERRIDE;
    virtual bool isRTL() OVERRIDE;
#endif

#if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
    virtual String dateFormat() OVERRIDE;
    virtual String timeFormat() OVERRIDE;
    virtual String shortTimeFormat() OVERRIDE;
    virtual const Vector<String>& timeAMPMLabels() OVERRIDE;
#endif

    // For testing.
    double parseDate(const String& format, int baseYear, const String& input);
    String formatDate(const String& format, int baseYear, int year, int month, int day);
    static String dateFormatText(const String& format, const String& yearText, const String& monthText, const String& dayText);
#if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
    static String dateFormat(const String&);
#endif

private:
    explicit LocaleWin(LCID);
    String getLocaleInfoString(LCTYPE);
    void getLocaleInfo(LCTYPE, DWORD&);
    void ensureShortMonthLabels();
    void ensureMonthLabels();
    void ensureShortDateTokens();
    bool isLocalizedDigit(UChar);
    int parseNumber(const String&, unsigned& index);
    int parseNumberOrMonth(const String&, unsigned& index);
    double parseDate(const Vector<DateFormatToken>&, int baseYear, const String&);
    void appendNumber(int, StringBuilder&);
    void appendTwoDigitsNumber(int, StringBuilder&);
    void appendFourDigitsNumber(int, StringBuilder&);
    String formatDate(const Vector<DateFormatToken>&, int baseYear, int year, int month, int day);
#if ENABLE(CALENDAR_PICKER)
    void ensureWeekDayShortLabels();
#endif
    // Localizer function:
    virtual void initializeLocalizerData() OVERRIDE;

    LCID m_lcid;
    int m_baseYear;
    Vector<DateFormatToken> m_shortDateTokens;
    Vector<String> m_shortMonthLabels;
    Vector<String> m_monthLabels;
#if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
    String m_dateFormat;
#endif
#if ENABLE(CALENDAR_PICKER)
    Vector<String> m_weekDayShortLabels;
    unsigned m_firstDayOfWeek;
#endif
    bool m_didInitializeNumberData;
};

} // namespace WebCore
#endif