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/* $Id$ */

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/** @file ai_date.cpp Implementation of AIDate. */

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#include "ai_date.hpp"

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#include "../../date_func.h"

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/* static */ int32 AIDate::GetCurrentDate()

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{

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	return ::_date;

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}

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/* static */ int32 AIDate::GetYear(int32 date)

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{

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	if (date < 0) return -1;

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	::YearMonthDay ymd;

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	::ConvertDateToYMD(date, &ymd);

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	return ymd.year;

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}

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/* static */ int32 AIDate::GetMonth(int32 date)

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{

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	if (date < 0) return -1;

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	::YearMonthDay ymd;

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	::ConvertDateToYMD(date, &ymd);

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	return ymd.month + 1;

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}

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/* static */ int32 AIDate::GetDayOfMonth(int32 date)

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{

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	if (date < 0) return -1;

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	::YearMonthDay ymd;

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	::ConvertDateToYMD(date, &ymd);

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	return ymd.day;

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}

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/* static */ int32 AIDate::GetDate(int32 year, int32 month, int32 day_of_month)

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{

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	if (month < 1 || month > 12) return -1;

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	if (day_of_month < 1 || day_of_month > 31) return -1;

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	if (year < 1 || year > MAX_YEAR) return -1;

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	return ::ConvertYMDToDate(year, month - 1, day_of_month);

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}