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#!/bin/bash

SCANROOT="/data/network/scans"
LOGFILE="/var/log/scanlog"
N=0

# paper sizes
# us letter 216 x 279 mm (8.5 x 11 inches)
# us legal 216 x 356 mm (8.5 x 14 inches )
# us ledger 279 x 432 mm (11 x 17 inches )

# infinite loop, repeating every 1 seconds **********************************************
while :
    do
        # run the command that will query the scanner button
        /usr/local/bin/sbuttond

        STATUS=$? # this is whatever the c code returns when you run sbuttond

        case "$STATUS" in

        0)  #echo "Idle - itteration $N"
            ;;
		
        1)  echo  "Scan now - itteration $N"
            DATE=`date +%Y-%m-%d`
            TIME=`date +%H%M%S`
            DESTDIR=$SCANROOT/$DATE
            FILENAME=$TIME.tiff
            TEMP="/temp"
            FIX=0
            CONVERT=0

            # create the directory if it doesn't exist
            if [ ! -d "$DESTDIR" ]; then
                mkdir -p $DESTDIR
            fi

            # scan the image and store it in the temp directory (we are using us letter ( 216 x 279mm ))
            /usr/bin/scanimage -l 0 -t 0 -x 215 -y 280 --resolution=300 --format=tiff > $TEMP/$FILENAME

            # fix brightness/contrast?
            if [ $FIX = 1 ]; then
                # fix the brightness and contrast settings for the Samsung SCX-4305w
                /usr/local/bin/convert -brightness-contrast -2,+22 $TEMP/$FILENAME $TEMP/$TIME.new.tiff
                rm -f $TEMP/$FILENAME
                mv $TEMP/$TIME.new.tiff $TEMP/$FILENAME
            fi

            # convert to .jpg?
            if [ $CONVERT = 1 ]; then
                /usr/local/bin/convert -resize 2550x3304 -quality 100% $TEMP/$FILENAME $TEMP/$TIME.jpg
                rm -f $TEMP/$FILENAME
                FILENAME=$TIME.jpg
            fi

            mv $TEMP/$FILENAME $DESTDIR
            echo "File $DESTDIR/$FILENAME was created." >> $LOGFILE			

            ;;
		
        2)  echo "Error code 2: could not initialize libusb object!!!" >> $LOGFILE
            ;;

        3)  echo "Error code 3: could not get device list!!!" >> $LOGFILE
            ;;
             # 4 - this is the message you get when the unit is off
        4)  echo "Error code 4: could not open device!!!" >> $LOGFILE
            ;;

        5)  echo "Error code 5: could not detach kernel driver!!!" >> $LOGFILE
            ;;

        6)  echo "Error code 6: could not claim interface!!!" >> $LOGFILE
            ;;

        7)  echo "Error code 7: could not query the endpoint!!!" >> $LOGFILE
            ;;

        esac

    N=`expr $N + 1`
    sleep 3
done