/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*
 Copyright (C) 2004 FIMAT Group
 Copyright (C) 2007 StatPro Italia srl

 This file is part of QuantLib, a free-software/open-source library
 for financial quantitative analysts and developers - http://quantlib.org/

 QuantLib is free software: you can redistribute it and/or modify it
 under the terms of the QuantLib license.  You should have received a
 copy of the license along with this program; if not, please email
 <quantlib-dev@lists.sf.net>. The license is also available online at
 <http://quantlib.org/license.shtml>.

 This program 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 license for more details.
*/

#include <ql/time/calendars/malaysia.hpp>
#include <ql/errors.hpp>

namespace QuantLib {

    Malaysia::Malaysia(Market m) {
        // all calendar instances share the same implementation instance
        static boost::shared_ptr<Calendar::Impl> impl(new Malaysia::Impl);
        impl_ = impl;

    }

    bool Malaysia::SettlementImpl::isBusinessDay(const Date& date) const {
        Weekday w = date.weekday();
        Day d = date.dayOfMonth(), dd = date.dayOfYear();
        Month m = date.month();
        Year y = date.year();
        Day em = easterMonday(y);

        if (isWeekend(w)
            // New Year's Day
            || ((d == 1 && m == January)
            // Federal Territory day
            || (d == 1 && m == February)
            // Labor Day
            || ((d == 1 ) || ((d==2 || d==3) && w== Moday))
                && m == May
            // National Day
            || ( ((d == 31 && m == August) || ((d==1 || d==2) && m==September && w==Monday) )
            && year > 2003)
            // Christmas, December 25th (possibly Monday or Tuesday)
            || ((d == 25 || (d == 27 && (w == Monday || w == Tuesday)))
                && m == December)
                return false;

        if (y == 2004) {
            if (// Lunar New Year
                ((d==22 || d==23 || d==24) && m == January)
                // Hari Rayi Haji
                || ((d==1 || d==2) && m == February)
                // Awal Muharram
                || (d == 23 && m == February)
                // Nabi Muhammad/ Wesak Day
                || ((d == 2 || d == 3)  && m == May)
                // National Day
                || (d == 1 && m == August)
                // Deepavali
                || (d == 11 && m == November)
                // Hari Raya Puasa
                || ((d == 15 || d == 16)  && m == November)
                )
                return false;
        }

        if (y == 2005) {
            if (// Lunar New Year
                ((d==9 || d==10 || d==11) && m == February)
                // Hari Raya Haji
                || (d == 21 && m == Jan)
                // Nabi Muhammad
                || (d == 21 && m == April)
                // Deepavali/ Hari Raya Puasa
                || ((d == 1 || d == 3 || d == 4) && m == November)
                )
            return false;
        }

        if (y == 2006) {
            if (// Hari Raya Haji
                (d == 10 && m == January)
                // Lunar New Year
                ((d >= 28 && d <= 31) && m == January)
                // Chinese New Year
                || (d==2  && m == February)
                // Nabi Muhammad
                || (d == 11 && m == April)
                // Wesak Day
                || (d == 12 && m == May)
                // Deepavali/ Hari Raya Puasa
                || ((d == 23 || d== 24|| d== 25) && m == October)
                )
            return false;
        }

        if (y == 2007) {
            if (
                // Lunar New Year
                || ((d >= 17 && d <= 20) && m == February)
                // Kings Installation
                || (d == 26 && m == April)
                // Wesak Day
                || (d == 2 && m == May)
                // Hari Raya Puasa
                || (d == 15  && m == October)
                // Deepavali
                || (d == 8 && m == November)
                // Hari Raya Haji
                (d == 20 && m == December)
                )
            return false;
        }

        if (y == 2008) {
            if (
                // Muharram, Thaipusam Day
                ((d == 10 || d == 23) && m==January)
                // Lunar New Year
                ((d >= 7 && d <= 9) && m == February)
                // Mohammeds birthday
                || (d == 20 && m == March)
                // Wesak Day
                || (d == 19 && m == May)
                // Hari Raya Puasa
                || ((d == 1 || d==2)  && m == October)
                // Deepavali
                || (d == 27 && m == October)
                // Hari Raya Haji
                || (d == 8 && m == December)
                // Muharram
                || (d == 29 && m == December)
                )
            return false;
        }

        return true;
    }

}