#!/bin/bash

# functions --------------------------------------------------

## Convert2PDF
## SetScanner
## SetSourceFiles
## SetColorScale
## SetPageLength
## SetResolution
## Tiff2BW
## PrintOutPutVariables

## convert the tif to pdf - convert-tiff-pdf
Convert2PDF() {
echo 'converting tif to pdf'

nowdate="$(date +'%Y-%m-%d')"
nowtime="$(date +"%H-%M-%S")"

tiff2pdf -o ${OutPutName}-$nowdate-$nowtime.pdf ${OutPutName}.tif
}

OpenPDF() {
echo 'opening pdf with xdg-open'

xdg-open ${OutPutName}-$nowdate-$nowtime.pdf
}

Convert2PDForNot() {
echo -n "Convert to pdf or leave as tiff? (pdf [default] or tif) "
read ConvertPDF
if [ "$ConvertPDF" = "tif" ] 
then
echo "Leaving file as tiff format"

else
echo 'converting tif to pdf'
echo 'b and w input file name' ${OutPutName}.tif
echo 'pdf file name: ' ${OutPutName}.pdf 

nowdate="$(date +'%Y-%m-%d')"
nowtime="$(date +"%H-%M-%S")"

tiff2pdf -o ${OutPutName}-$nowdate-$nowtime.pdf ${OutPutName}.tif
fi
}

## remove tif files
RemoveTifs() {
echo 'removing the intermediary tiff files '
rm ${OutPutName}*.tif
}

## brightness
SetBrightness() {
echo "Brightness ............"
echo "brightness:  -30 is good for dark copies that are too black, 30 is better for the reverse"
echo -n "Enter the brightness: default = 0 : "
read var1
if [ "$var1" !eq 0 ]
then
BrightnNess="$var1"
else
BrightNess=0
fi 
}

## de skew?
SetDeskew() {
echo "Deskew......"
echo "Deskewing sometimes makes the scan appear at a 45 degree angle"
echo "'Yes' turns it on and 'No' turns it off"
echo -n "Deskew? (yes | no) "
read varDskew
}

## gray, bw, or color
SetColorScale() {
echo "Gray or color scale ..............." 
echo "1 - Black and White [default]"
echo "2 - Grayscale"
echo "3 - Lineart"
echo "4 - Color"
echo -n "Output image type: "
read var1
if [ "$var1" = 2 ]
then
ImgType="Gray"
elif [ "$var1" = 3 ]
then
ImgType="Lineart"
elif [ "$var1" = 4 ]
then
ImgType="Color"
else
ImgType="Gray"
fi 
}

## page length
SetPageLength() {
echo "Page length......" 
echo "1 - standard [default]"
echo "2 - legal"
echo -n "Page length: " 
read var1
if [ "$var1" = 2 ]
then
PageLength=2
else
PageLength=1
fi
}


## Select resolution
SetResolution() {
echo "Resolution .... (e.g. 100,150,200,300)"
echo "If color, select lower, eg 100, it is already higher quality and huge files"
echo "if grayscale for eventual OCR, then higher, eg 200-300"
echo "If B+W, 150 or 200 is good choice for OCR"
echo -n "Enter Resolution: "
read Resol
}

## select scanner
SetSelectScanner() {
echo "Which scanner?"
echo "1 - old snapscan"
echo "2 - new snapscan"
echo -n "What scanner? "
read var1
if [ "$var1" = 1 ]
then
Scnr="fujitsu:fi-5110EOXM:323"
elif [ "$var1" = 2] 
then
Scnr="fujitsu:ScanSnap S1500:7668"
else
exit
fi
}

## Source of files
SetSourceFiles() {
echo "Document Source......" 
echo "1 - ADF Front [default]"
echo "2 - ADF Duplex"
echo -n "Feed source: " 
read var1
if [ "$var1" = 2 ]
then
ScnSrc="ADF Duplex"
else
ScnSrc="ADF Front"
fi 
}

# put the images together
MultipleTifs21() {
echo 'combining into one tiff'
tiffcp ${OutPutName}[0-9].tif ${OutPutName}[0-9][0-9].tif ${OutPutName}.tif
}

## tiff2bw convert the tifs to black and white
Tiff2BWorNot() {
if [ Scnr="fujitsu:fi-5110EOXM:323" ] 
then
echo -n "Convert to black and white? (yes | no) "
read ConvertBW
if [ "$ConvertBW" = "yes" ]
then
OutPutNameNew=${OutPutName}'_bw'
echo 'converting tifs to b and w' 
echo 'Black and white file name: ' ${OutPutNameNew}.tif
convert ${OutPutName}.tif -threshold 20% -monochrome ${OutPutNameNew}.tif
rm ${OutPutName}.tif #get rid of file for next
mv ${OutPutNameNew}.tif ${OutPutName}.tif # rename file so same as other functions
fi
fi
}

## tiff2bw convert the tifs to black and white
Tiff2BW() {
if [ Scnr="fujitsu:fi-5110EOXM:323" ] 
then
OutPutNameNew=${OutPutName}'_bw'
echo 'converting tifs to b and w' 
echo 'Black and white file name: ' ${OutPutNameNew}.tif
convert ${OutPutName}.tif -threshold 50% -monochrome ${OutPutNameNew}.tif
rm ${OutPutName}.tif #get rid of file for next
mv ${OutPutNameNew}.tif ${OutPutName}.tif # rename file so same as other functions
fi
}

## print variables output
PrintOutputVariables() {
echo "The options you selected ------------------"
echo "Output file name: " "$OutPutName"
echo "scanner = " "$Scnr" 
echo "Source on scanner: " "$ScnSrc"
echo "Resolution: " "$Resol"
echo "Page Height: " "$PageHeight"
echo "Gray or Color or BW: " "$ImgType"
echo "Brightness: " "$BrightNess"
echo "deskew: " "$varDskew"
echo "Format, initial: " "$Fmt"
echo " "
echo -n "Continue or quit? (q=quit) :"
read var1
if [ "$var1" != "q" ]
then
echo "scanning....."
else
echo "exiting........"
exit
fi 
}

## Enter output file name
OutputFileName() {
echo -n "Output file name (without the extension)? "
read OutPutName
}

## standard scans -- 

newScanSnap_bw_simplex_150Resolution_LetterSize() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Front"
ImgType="Lineart"
Resol="150"
BrightNess="0"
Fmt="tiff"
varDskew="no"
}

newScanSnap_bw_simplex_150Resolution_LetterSize_Darker() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Front"
ImgType="Lineart"
Resol="150"
BrightNess="30"
Fmt="tiff"
varDskew="no"
}

newScanSnap_bw_simplex_150Resolution_LetterSize_Lighter() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Front"
ImgType="Lineart"
Resol="150"
BrightNess="-30"
Fmt="tiff"
varDskew="no"
}

newScanSnap_bw_simplex_150Resolution_LegalSize() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Front"
ImgType="Lineart"
Resol="150"
PageHeight="--page-height 863.489mm -y 356"
BrightNess="0"
Fmt="tiff"
varDskew="no"
}

newScanSnap_bw_simplex_200Resolution_LetterSize() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Front"
ImgType="Lineart"
Resol="200"
BrightNess="0"
Fmt="tiff"
varDskew="no"
}

newScanSnap_bw_simplex_300Resolution_LetterSize() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Front"
ImgType="Lineart"
Resol="300"
BrightNess="0"
Fmt="tiff"
varDskew="no"
}

newScanSnap_bw_simplex_600Resolution_LetterSize() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Front"
ImgType="Lineart"
Resol="600"
BrightNess="0"
Fmt="tiff"
varDskew="no"
}

newScanSnap_bw_duplex_100Resolution_LetterSize() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Duplex"
ImgType="Lineart"
Resol="100"
BrightNess="0"
Fmt="tiff"
varDskew="no"
}

newScanSnap_bw_duplex_150Resolution_LetterSize() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Duplex"
ImgType="Lineart"
Resol="150"
BrightNess="0"
Fmt="tiff"
varDskew="no"
}

newScanSnap_bw_duplex_200Resolution_LetterSize() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Duplex"
ImgType="Lineart"
Resol="200"
BrightNess="0"
Fmt="tiff"
varDskew="no"
}

newScanSnap_bw_duplex_600Resolution_LetterSize() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Duplex"
ImgType="Lineart"
Resol="600"
BrightNess="0"
Fmt="tiff"
varDskew="no"
}

newScanSnap_bw_duplex_150Resolution_LegalSize() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Duplex"
ImgType="Lineart"
Resol="150"
PageHeight="--page-height 863.489mm -y 356"
BrightNess="0"
Fmt="tiff"
varDskew="no"
}


newScanSnap_halftone_simplex_150Resolution_LetterSize() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Front"
ImgType="Halftone"
Resol="150"
BrightNess="0"
Fmt="tiff"
varDskew="no"
}

newScanSnap_gray_simplex_100Resolution_LetterSize() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Front"
ImgType="Gray"
Resol="100"
BrightNess="0"
Fmt="tiff"
varDskew="no"
}

newScanSnap_gray_simplex_150Resolution_LetterSize() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Front"
ImgType="Gray"
Resol="150"
BrightNess="0"
Fmt="tiff"
varDskew="no"
}

newScanSnap_gray_duplex_100Resolution_LetterSize() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Duplex"
ImgType="Gray"
Resol="100"
BrightNess="0"
Fmt="tiff"
varDskew="no"
}

newScanSnap_color_simplex_100Resolution_LetterSize() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Front"
ImgType="Color"
Resol="100"
BrightNess="0"
Fmt="tiff"
varDskew="no"
}

newScanSnap_color_simplex_150Resolution_LetterSize() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Front"
ImgType="Color"
Resol="150"
BrightNess="0"
Fmt="tiff"
varDskew="no"
}

newScanSnap_color_duplex_100Resolution_LetterSize() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Duplex"
ImgType="Color"
Resol="100"
BrightNess="0"
Fmt="tiff"
varDskew="no"
}

newScanSnap_color_duplex_150Resolution_LetterSize() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Duplex"
ImgType="Color"
Resol="150"
BrightNess="0"
Fmt="tiff"
varDskew="no"
}


newScanSnap_color_duplex_100Resolution_LegalSize() {
Scnr="fujitsu:ScanSnap S1500:7668"
ScnSrc="ADF Duplex"
ImgType="Color"
Resol="100"
PageHeight="--page-height 863.489mm -y 356"
BrightNess="0"
Fmt="tiff"
varDskew="no"
}


## scan the image
scanit() {
echo "scanning image"

PageLength="$1"

if [ "$PageLength" = 1 ] 
then
scanimage -d "$Scnr" --mode "$ImgType" --resolution "$Resol" --brightness "$BrightNess" --format="$Fmt" --swdeskew="$varDskew" --source="$ScnSrc" --batch=${OutPutName}%d.tif

elif [ "$PageLength" = 2 ]
then
scanimage -d "$Scnr" --mode "$ImgType" --resolution "$Resol" --page-height 863.489mm -y 356 --brightness "$BrightNess" --format="$Fmt" --swdeskew="$varDskew" --source="$ScnSrc" --batch=${OutPutName}%d.tif
 
else
scanimage -d "$Scnr" --mode "$ImgType" --resolution "$Resol" --page-height 863.489mm -y 356 --brightness "$BrightNess" --format="$Fmt" --swdeskew="$varDskew" --source="$ScnSrc" --batch=${OutPutName}%d.tif
fi
}

# Main Script

# Standard Scanning Selection

echo "Select the standard scanning or custom ......" 
echo " 1 - new ScanSnap, bw, simplex, 150 Resolution, LetterSize"
echo " 2 - new ScanSnap, bw, simplex, 150 Resolution, LetterSize, Lighter result"
echo " 3 - new ScanSnap, bw, simplex, 150 Resolution, LetterSize, Darker result"
echo " 4 - new ScanSnap, bw, simplex, 200 Resolution, LetterSize"
echo " 5 - new ScanSnap, bw, simplex, 300 Resolution, LetterSize"
echo " 6 - new ScanSnap, bw, simplex, 600 Resolution, LetterSize"
echo " 7 - new ScanSnap, bw, simplex, 150 Resolution, LegalSize"
echo " 8 - new ScanSnap, bw, duplex, 150 Resolution, LetterSize"
echo " 9 - new ScanSnap, bw, duplex, 200 Resolution, LetterSize"
echo "10 - new ScanSnap, bw, duplex, 600 Resolution, LetterSize"
echo "11 - new ScanSnap, bw, duplex, 150 Resolution, LegalSize"
echo "12 - new ScanSnap, halftone, simplex, 150 Resolution, LetterSize"
echo "13 - new ScanSnap, gray, simplex, 100 Resolution, LetterSize"
echo "14 - new ScanSnap, gray, simplex, 150 Resolution, LetterSize"
echo "15 - new ScanSnap, gray, duplex, 100 Resolution, LetterSize"
echo "16 - new ScanSnap, color, simplex, 100 Resolution, LetterSize"
echo "17 - new ScanSnap, color, simplex, 150 Resolution, LetterSize"
echo "18 - new ScanSnap, color, duplex, 100 Resolution, LetterSize"
echo "19 - new ScanSnap, color, duplex, 150 Resolution, LetterSize"
echo "20 - new ScanSnap, color, duplex, 100 Resolution, LegalSize"
echo -n "Selection? " 
read var1

if [ "$var1" = 1 ]

then 
newScanSnap_bw_simplex_150Resolution_LetterSize
OutputFileName
PrintOutputVariables
scanit 1
MultipleTifs21
Convert2PDF
RemoveTifs
OpenPDF

elif [ "$var1" = 2 ]
then 
newScanSnap_bw_simplex_150Resolution_LetterSize_Lighter
OutputFileName
PrintOutputVariables
scanit 1
MultipleTifs21
Convert2PDF
RemoveTifs
OpenPDF

elif [ "$var1" = 3 ]
then 
newScanSnap_bw_simplex_150Resolution_LetterSize_Darker
OutputFileName
PrintOutputVariables
scanit 1
MultipleTifs21
Convert2PDF
RemoveTifs
OpenPDF

elif [ "$var1" = 4 ]
then 
newScanSnap_bw_simplex_200Resolution_LetterSize
OutputFileName
PrintOutputVariables
scanit 1
MultipleTifs21
Convert2PDF
RemoveTifs
OpenPDF

elif [ "$var1" = 5 ]
then 
newScanSnap_bw_simplex_300Resolution_LetterSize
OutputFileName
PrintOutputVariables
scanit 1
MultipleTifs21
Convert2PDF
RemoveTifs
OpenPDF

elif [ "$var1" = 6 ]
then 
newScanSnap_bw_simplex_600Resolution_LetterSize
OutputFileName
PrintOutputVariables
scanit 1
MultipleTifs21
Convert2PDF
RemoveTifs
OpenPDF

elif [ "$var1" = 7 ]
then 
newScanSnap_bw_simplex_150Resolution_LegalSize
OutputFileName
PrintOutputVariables
scanit 2
MultipleTifs21
Convert2PDF
RemoveTifs
OpenPDF

elif [ "$var1" = 8 ]
then 
newScanSnap_bw_duplex_150Resolution_LetterSize
OutputFileName
PrintOutputVariables
scanit 1
MultipleTifs21
Convert2PDF
RemoveTifs
OpenPDF

elif [ "$var1" = 9 ]
then 
newScanSnap_bw_duplex_200Resolution_LetterSize
OutputFileName
PrintOutputVariables
scanit 1
MultipleTifs21
Convert2PDF
RemoveTifs
OpenPDF

elif [ "$var1" = 10 ]
then 
newScanSnap_bw_duplex_600Resolution_LetterSize
OutputFileName
PrintOutputVariables
scanit 1
MultipleTifs21
Convert2PDF
RemoveTifs
OpenPDF

elif [ "$var1" = 11 ]
then 
newScanSnap_bw_duplex_150Resolution_LegalSize
OutputFileName
PrintOutputVariables
scanit 2
MultipleTifs21
Convert2PDF
RemoveTifs
OpenPDF

elif [ "$var1" = 12 ]
then 
newScanSnap_halftone_simplex_150Resolution_LetterSize
OutputFileName
PrintOutputVariables
scanit 1
MultipleTifs21
Convert2PDF
RemoveTifs
OpenPDF

elif [ "$var1" = 13 ]
then 
newScanSnap_gray_simplex_100Resolution_LetterSize
OutputFileName
PrintOutputVariables
scanit 1
MultipleTifs21
Convert2PDF
RemoveTifs
OpenPDF

elif [ "$var1" = 14 ]
then 
newScanSnap_gray_simplex_150Resolution_LetterSize
OutputFileName
PrintOutputVariables
scanit 1
MultipleTifs21
Convert2PDF
RemoveTifs
OpenPDF

elif [ "$var1" = 15 ]
then 
newScanSnap_gray_duplex_100Resolution_LetterSize
OutputFileName
PrintOutputVariables
scanit 1
MultipleTifs21
Convert2PDF
RemoveTifs
OpenPDF

elif [ "$var1" = 16 ]
then 
newScanSnap_color_simplex_100Resolution_LetterSize
OutputFileName
PrintOutputVariables
scanit 1
MultipleTifs21
Convert2PDF
RemoveTifs
OpenPDF

elif [ "$var1" = 17 ]
then 
newScanSnap_color_simplex_150Resolution_LetterSize
OutputFileName
PrintOutputVariables
scanit 1
MultipleTifs21
Convert2PDF
RemoveTifs
OpenPDF

elif [ "$var1" = 18 ]
then 
newScanSnap_color_duplex_100Resolution_LetterSize
OutputFileName
PrintOutputVariables
scanit 1
MultipleTifs21
Convert2PDF
RemoveTifs
OpenPDF

elif [ "$var1" = 19 ]
then 
newScanSnap_color_duplex_150Resolution_LetterSize
OutputFileName
PrintOutputVariables
scanit 1
MultipleTifs21
Convert2PDF
RemoveTifs
OpenPDF

elif [ "$var1" = 20 ]
then 
newScanSnap_color_duplex_100Resolution_LegalSize
OutputFileName
PrintOutputVariables
scanit 2
MultipleTifs21
Convert2PDF
RemoveTifs
OpenPDF

else # no selection or custom scan
echo "error --- no valid selection made"

fi
exit 0