$PBExportHeader$f_findspt_paydate_cus.srf
global type f_findspt_paydate_cus from function_object
end type

forward prototypes
global function datetime f_findspt_paydate_cus (long arg_cusid, datetime arg_indate)
end prototypes

global function datetime f_findspt_paydate_cus (long arg_cusid, datetime arg_indate);Int rslt = 1

String ls_paydate_style

Date ld_paydate
String ls_now_nextmonth
Long ll_days
Int thismonth,nextmonth,nextyear

SELECT u_plandate_style.dscrp
	INTO :ls_paydate_style
FROM u_plandate_style INNER JOIN
      u_cust ON u_plandate_style.styleid = u_cust.styleid
	Where  u_cust.cusid = :arg_cusid;
IF sqlca.SQLCode <> 0 THEN
	rslt = 0
	GOTO ext
END IF


ls_paydate_style = Trim(ls_paydate_style)

ld_paydate = Date(String(arg_indate,'yyyy-mm-dd'))

ls_now_nextmonth = Mid(ls_paydate_style,1,Pos(ls_paydate_style,'+') - 1)

ll_days = Long(Mid(ls_paydate_style,Pos(ls_paydate_style,'+') + 1))

IF ls_now_nextmonth = 'now' THEN
ELSE
	thismonth = Month(ld_paydate)
	nextyear = Year(ld_paydate)
	
	IF thismonth = 12 THEN
		nextyear++
		nextmonth = 1
	ELSE
		nextmonth = thismonth + 1
	END IF
	
	ld_paydate = Date(nextyear,nextmonth,1)
END IF

ld_paydate = RelativeDate ( ld_paydate, ll_days - 1)

ext:
IF rslt = 0 THEN
	SetNull(ld_paydate)
END IF

RETURN DateTime(ld_paydate)








end function