/*
   +----------------------------------------------------------------------+
   | PHP version 4.0                                                      |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997, 1998, 1999, 2000 The PHP Group                   |
   +----------------------------------------------------------------------+
   | This source file is subject to version 2.02 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available at through the world-wide-web at                           |
   | http://www.php.net/license/2_02.txt.                                 |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Shane Caraveo             <shane@caraveo.com>               | 
   |          Colin Viebrock            <cmv@easydns.com>                 |
   |          Hartmut Holzgraefe        <hartmut@six.de>                  |
   +----------------------------------------------------------------------+
 */
/* $Id: */

#include "php.h"
#include "php_calendar.h"
#include "sdncal.h"

function_entry calendar_functions[] = {
	PHP_FE(jdtogregorian, NULL)
	PHP_FE(gregoriantojd, NULL)
	PHP_FE(jdtojulian, NULL)
	PHP_FE(juliantojd, NULL)
	PHP_FE(jdtojewish, NULL)
	PHP_FE(jewishtojd, NULL)
	PHP_FE(jdtofrench, NULL)
	PHP_FE(frenchtojd, NULL)
	PHP_FE(jddayofweek, NULL)
	PHP_FE(jdmonthname, NULL)
	PHP_FE(easter_date, NULL)
	PHP_FE(easter_days, NULL)
	PHP_FE(unixtojd,    NULL)
	PHP_FE(jdtounix,    NULL)
	{NULL, NULL, NULL}
};


zend_module_entry calendar_module_entry = {
  "Calendar", 
  calendar_functions, 
  NULL, /*PHP_MINIT(calendar),*/
  NULL,
  NULL,
  NULL,
  PHP_MINFO(calendar),
  STANDARD_MODULE_PROPERTIES,
};

#ifdef COMPILE_DL_CALENDAR
ZEND_GET_MODULE(calendar)
#endif

PHP_MINIT_FUNCTION(calendar)
{
  /*
  REGISTER_INT_CONSTANT("CAL_EASTER_TO_xxx",0, CONST_CS | CONST_PERSISTENT);
  */
  return SUCCESS;
}

PHP_MINFO_FUNCTION(calendar)
{
  php_printf("Calendar support enabled");
}


/* {{{ proto string jdtogregorian(int juliandaycount)
   Convert a julian day count to a gregorian calendar date */
PHP_FUNCTION(jdtogregorian)
{
	pval **julday;
	int year, month, day;
	char date[10];

	if (zend_get_parameters_ex(1, &julday) != SUCCESS) {
		WRONG_PARAM_COUNT;
	}

	convert_to_long_ex(julday);
	SdnToGregorian((*julday)->value.lval, &year, &month, &day);
	sprintf(date, "%i/%i/%i", month, day, year);

	RETURN_STRING(date,1);
}
/* }}} */

/* {{{ proto int gregoriantojd(int month, int day, int year)
   Convert a gregorian calendar date to julian day count */
 PHP_FUNCTION(gregoriantojd)
{
	pval **year, **month, **day;
	int jdate;

	if (zend_get_parameters_ex(3, &month, &day, &year) != SUCCESS) {
		WRONG_PARAM_COUNT;
	}
	
	convert_to_long_ex(month);
	convert_to_long_ex(day);
	convert_to_long_ex(year);

	jdate = GregorianToSdn((*year)->value.lval, (*month)->value.lval,(*day)->value.lval);

	RETURN_LONG(jdate);
}
/* }}} */

/* {{{ proto string jdtojulian(int juliandaycount)
   Convert a julian day count to a julian calendar date */
 PHP_FUNCTION(jdtojulian) 
{
	pval **julday;
	int year, month, day;
	char date[10];

	if (zend_get_parameters_ex(1, &julday) != SUCCESS) {
		WRONG_PARAM_COUNT;
	}

	convert_to_long_ex(julday);
	SdnToJulian((*julday)->value.lval, &year, &month, &day);
	sprintf(date, "%i/%i/%i", month, day, year);

	RETURN_STRING(date,1);
}
/* }}} */


/* {{{ proto int juliantojd(int month, int day, int year)
   Convert a julian calendar date to julian day count */
 PHP_FUNCTION(juliantojd)
{
	pval **year, **month, **day;
	int jdate;

	if (zend_get_parameters_ex(3, &month, &day, &year) != SUCCESS) {
		WRONG_PARAM_COUNT;
	}
	
	convert_to_long_ex(month);
	convert_to_long_ex(day);
	convert_to_long_ex(year);

	jdate = JulianToSdn((*year)->value.lval,(*month)->value.lval, (*day)->value.lval);

	RETURN_LONG(jdate);
}
/* }}} */


/* {{{ proto string jdtojewish(int juliandaycount)
   Convert a julian day count to a jewish calendar date */
 PHP_FUNCTION(jdtojewish) 
{
	pval **julday;
	int year, month, day;
	char date[10];

	if (zend_get_parameters_ex(1, &julday) != SUCCESS) {
		WRONG_PARAM_COUNT;
	}
	
	convert_to_long_ex(julday);
	
	SdnToJewish((*julday)->value.lval, &year, &month, &day);
	sprintf(date, "%i/%i/%i", month, day, year);

	RETURN_STRING(date,1);
}
/* }}} */


/* {{{ proto int jewishtojd(int month, int day, int year)
   Convert a jewish calendar date to a julian day count */
 PHP_FUNCTION(jewishtojd)
{
	pval **year, **month, **day;
	int jdate;

	if (zend_get_parameters_ex(3, &month, &day, &year) != SUCCESS) {
		WRONG_PARAM_COUNT;
	}

	convert_to_long_ex(month);
	convert_to_long_ex(day);
	convert_to_long_ex(year);

	jdate = JewishToSdn((*year)->value.lval,(*month)->value.lval, (*day)->value.lval);

	RETURN_LONG(jdate);
}
/* }}} */


/* {{{ proto string jdtofrench(int juliandaycount)
   Convert a julian day count to a french republic calendar date */
 PHP_FUNCTION(jdtofrench)
{
	pval **julday;
	int year, month, day;
	char date[10];

	if (zend_get_parameters_ex(1, &julday) != SUCCESS) {
		WRONG_PARAM_COUNT;
	}

	convert_to_long_ex(julday);
	
	SdnToFrench((*julday)->value.lval, &year, &month, &day);
	sprintf(date, "%i/%i/%i", month, day, year);

	RETURN_STRING(date,1);
}
/* }}} */


/* {{{ proto int frenchtojd(int month, int day, int year)
   Convert a french republic calendar date to julian day count */
 PHP_FUNCTION(frenchtojd)
{
	pval **year, **month, **day;
	int jdate;

	if (zend_get_parameters_ex(3, &month, &day, &year) != SUCCESS) {
		WRONG_PARAM_COUNT;
	}
	
	convert_to_long_ex(month);
	convert_to_long_ex(day);
	convert_to_long_ex(year);

	jdate = FrenchToSdn((*year)->value.lval,(*month)->value.lval,(*day)->value.lval);

	RETURN_LONG(jdate);
}
/* }}} */

/* {{{ proto mixed jddayofweek(int juliandaycount [, int mode])
   Returns name or number of day of week from julian day count */
 PHP_FUNCTION(jddayofweek)
{
	pval *julday, *mode;
	int day;
	char *daynamel, *daynames;
	int myargc=ARG_COUNT(ht),mymode=0;
	
	if ((myargc < 1) || (myargc > 2) || (zend_get_parameters(ht,myargc, &julday, &mode) != SUCCESS)) {
		WRONG_PARAM_COUNT;
	}
	
	convert_to_long(julday);
	if(myargc==2) {
	  convert_to_long(mode);
	  mymode = mode->value.lval;
	} 

	day = DayOfWeek(julday->value.lval);
	daynamel = DayNameLong[day];
	daynames = DayNameShort[day];

		switch (mymode) {
			case 0L:
				RETURN_LONG(day);
				break;
			case 1L:
				RETURN_STRING(daynamel,1);
				break;
			case 2L:
				RETURN_STRING(daynames,1);
				break;
			default:
				RETURN_LONG(day);
				break;
		}
}
/* }}} */


/* {{{ proto string jdmonthname(int juliandaycount, int mode)
   Returns name of month for julian day count */
 PHP_FUNCTION(jdmonthname)
{
	pval **julday, **mode;
	char *monthname = NULL;
	int month, day, year;

	if (zend_get_parameters_ex(2, &julday, &mode) != SUCCESS) {
		WRONG_PARAM_COUNT;
	}
	
	convert_to_long_ex(julday);
	convert_to_long_ex(mode);

		switch((*mode)->value.lval) {
			case 0L:			/* gregorian or julian month */
				SdnToGregorian((*julday)->value.lval,&year, &month, &day);
				monthname = MonthNameShort[month];
				break;
			case 1L:			/* gregorian or julian month */
				SdnToGregorian((*julday)->value.lval,&year, &month, &day);
				monthname = MonthNameLong[month];
				break;
			case 2L:			/* gregorian or julian month */
				SdnToJulian((*julday)->value.lval, &year,&month, &day);
				monthname = MonthNameShort[month];
				break;
			case 3L:			/* gregorian or julian month */
				SdnToJulian((*julday)->value.lval, &year,&month, &day);
				monthname = MonthNameLong[month];
				break;
			case 4L:			/* jewish month */
				SdnToJewish((*julday)->value.lval, &year,&month, &day);
				monthname = JewishMonthName[month];
				break;
			case 5L:			/* french month */
				SdnToFrench((*julday)->value.lval, &year,&month, &day);
				monthname = FrenchMonthName[month];
				break;
			default:			/* default gregorian */
				/* FIXME - need to set monthname to something here ?? */
				break;
		}

	RETURN_STRING(monthname,1);
}
/* }}} */