#!/bin/bash

#get directory for pdf files
#get output directory for files


#Get the folder with the pdf documents in it.
echo "This will take the PDF statements that have been sorted and will merge them into PDF files based on the numbers of pages in the statement."
echo ""
echo "Before we begin we need a little information."
echo ""
while :
do 
    echo "Where is the directory that has the PDF statments with address?"
    read PDFDIR
    if [ -d $PDFDIR ]
    then
        break
        else 
        echo "Directory not found."
    fi
done

#Get the folder for the output file. 
while :
do 
    echo ""
    echo "What output directory do you want for the sorted PDF's?"
    read OUTPUTFOLDER
    #OUTPUTFOLDER="/home/btmccrea/Downloads/output"
    if [ -d $OUTPUTFOLDER ]
    then
        break
        else 
        echo "Directory not found."
    fi
done

cd $PDFDIR
for FILENAME in $PDFDIR/*
do
	echo $FILENAME
#The next Line assigns the number of pages to the value LOCATION to be used for were the file goes
	LOCATION=$(pdfinfo "$FILENAME" | grep Pages: | awk '{print $2}')
#Test if the file exists and if it does move it to Temp.pdf to be merged back to its original location.  
	if test -f $OUTPUTFOLDER/Statement-Pages-$LOCATION.pdf
	then
		mv $OUTPUTFOLDER/Statement-Pages-$LOCATION.pdf $OUTPUTFOLDER/temp.pdf
		pdfunite "$FILENAME" $OUTPUTFOLDER/temp.pdf $OUTPUTFOLDER/Statement-Pages-$LOCATION.pdf
	else
		#IF the file doesn't exist create the file with the merge.
		pdfunite "$FILENAME" $OUTPUTFOLDER/Statement-Pages-$LOCATION.pdf
	fi

done

echo ""
echo ""
echo "All done, you can find the PDF statments at $OUTPUTFOLDER.
echo ""
echo ""
exit