#!/bin/sh
#///*
#//*************************************************************************
#//**									*
#//**	Copyright (C) 2002-2013 Trans-Mit Pty. Ltd. Melbourne Australia	*
#//**	This software may not be loaned, resold, changed or copied	*
#//**	in any way without the express written permission of author	*
#//**	and Trans-Mit Pty. Ltd., Australia.				*
#//**									*
#//*************************************************************************
#//**
#//**	$Header: $
#//**	$Author: $
#//**	$Date: $
#//**	$Locker:  $
#//**
#//*************************************************************************
#//*/

EXBILLPERIOD="$1"
SHIPTO="$2"
INVOICENO="$3"
ofile="$4"
invpdfdir="$5"

logfile="/tmp/getinvpdf.$$"
rm -f "$logfile"


# it is assumed that getallinvpdf has already been called
# to get all the inv pdf files into the $invpdfdir
#      with the following file format...
#  INV003489_MTS_DEPARTMENT_20100608_133341.pdf
#  INV003509_DCC_DEPARTMENT_20100609_170908.pdf

#dttag=`date "+%Y-%m-%d"`

#------------------------------------------------
## Testing
#EXBILLPERIOD="December 2012"
#SHIPTO="KDS"
#INVOICENO="INV022278"
##invpdfdir="invpdf"

#------------------------------------------------
if [ "$ofile" = "" ]; then
	ofile="invoice_$YYYYMM_$SHIPTO_$INVOICENO.pdf";
fi
rm -f "$ofile"

echo "$0:" >>"$logfile"
echo "  EXBILLPERIOD=$EXBILLPERIOD" >>"$logfile"
echo "        SHIPTO=$SHIPTO" >>"$logfile"
echo "     INVOICENO=$INVOICENO" >>"$logfile"
echo "         ofile=[$ofile]" >>"$logfile"

# convert exbillperiod to YYYYMM 
YYYYMM=`awk -v "EXBILLPERIOD=$EXBILLPERIOD" -v "sep=" '
BEGIN {
	split(EXBILLPERIOD, exbp_arr," ")
	billMONTH = exbp_arr[1]
	montharr["January"] = 1
	montharr["February"] = 2
	montharr["March"] = 3
	montharr["April"] = 4
	montharr["May"] = 5
	montharr["June"] = 6
	montharr["July"] = 7
	montharr["August"] = 8
	montharr["September"] = 9
	montharr["October"] = 10
	montharr["November"] = 11
	montharr["December"] = 12
	mm = 0 + montharr[billMONTH]
	yyyy = 0 + exbp_arr[2]
	if ( sep != "" )
		sepchar = substr(sep,1,1)
	yyyymm = sprintf("%04d%s%02d", yyyy, sepchar, mm)
	print yyyymm
	exit
}'`
echo "EXBILLPERIOD=[$EXBILLPERIOD] - YYYYMM=[$YYYYMM]" >>"$logfile"

YYYY=`echo "$YYYYMM" | cut -c1-4`
curYYYY=`date "+%Y"`

BILLPERIOD=`echo $EXBILLPERIOD | cut -c1-3 `"_$YYYY"
echo "BILLPERIOD=[$BILLPERIOD]"

if [ "$invpdfdir" = "" ]; then
        invpdfdir="indata/$BILLPERIOD/invpdf";
fi
echo "     invpdfdir=[$invpdfdir]" >>"$logfile"

#----------------------------------------------------------

lscmd="ls $invpdfdir/${INVOICENO}_${SHIPTO}_*.pdf"

result=`$lscmd 2>&1`
echo "result=[$result]" >>"$logfile"

fname=`echo "$result" | awk -F' ' '
{
	fname = $1
	print fname
	exit 0
}
'`
echo "fname=[$fname]" >>"$logfile"

if [ "$fname" != "" ]; then
	# get pdf file
	cp $fname $ofile 2>>"$logfile"
fi


# create pdf with error message
if [ ! -f "$ofile" ]; then
	echo "The PDF file for invoiceno $INVOICENO ($EXBILLPERIOD) was not found" >>"$logfile"
	cat "$logfile" | text2gif | gif2ps -i -x | ps2pdf - "$ofile"
fi


cat "$logfile"
cat "$logfile" >>getinvpdf.log
rm -f "$logfile"
exit 0