#!/bin/bash
#
NEEDED_LIBS=(lib32z1 lib32ncurses5 lib32stdc++6)
PRINTER_MANUFACTURER="Brother"
PRINTER_SERIES="P-touch"
PRINTER_MODEL="PT-P900W"
PRINTER_NAME="${PRINTER_MANUFACTURER}-${PRINTER_MODEL}"
PRINTER_USB_ID="04f9:2085"
PRINTER_PPD_FILE="/usr/share/ppd/Brother/brother_ptp900_printer_en.ppd"
PRINTER_LOCATION="BCSPC128 in R2/30"
PRINTER_DRIVER_LPR="ptp900lpr-1.0.0-0.i386.deb"
PRINTER_DRIVER_CUPS="ptp900cupswrapper-1.0.0-0.i386.deb"
DEFAULT_PRINTER_AFTER_DRIVER_INSTALL="PT-P900"

# Check, if we are on a X86_64 machine...
if [ "`uname -m`" = "x86_64" ]; then
  echo "64bit architecture detected ..."
  # Check if nessesary 32bit libs are already installed ...
  for LIB in ${NEEDED_LIBS[*]}
  do
    echo ""
    echo -n "Check for Lib: $LIB ..."
    dpkg -s $LIB &> /dev/null
    if [ $? -eq 0 ]; then
      echo "Lib: $LIB is already installed!"
    else
      echo "Lib: $LIB is not installed -> Installing Lib: $LIB"
      sudo apt-get -y install $LIB
    fi
  done
else
  echo "we are running on a 32bit architecture ..."
fi

# Check to see if the drivers are installed
if [ ! -e $PRINTER_PPD_FILE ] ; then
    echo ""
    echo -n "Insalling printer driver ..."
    sudo mkdir -p /var/spool/lpd/
     [ -e $PRINTER_DRIVER_LPR ] && sudo dpkg --install $PRINTER_DRIVER_LPR || echo "Driver $PRINTER_DRIVER_LPR not present"
     [ -e $PRINTER_DRIVER_CUPS ] && sudo dpkg --install $PRINTER_DRIVER_CUPS || echo "Driver $PRINTER_DRIVER_CUPS not present"
    echo " done!"
else
    echo "Printer driver already installed!"
fi

# Remove default printer PT-P900 if it still exsists
lpstat -p | grep -i "$DEFAULT_PRINTER_AFTER_DRIVER_INSTALL is idle" &> /dev/null
if [ $? -eq 0 ]; then
  echo "Default printer \"$DEFAULT_PRINTER_AFTER_DRIVER_INSTALL\" from driver package found!"
  echo -n "Removing default printer to avoid conflicts with new model..."
  lpadmin -x $DEFAULT_PRINTER_AFTER_DRIVER_INSTALL
  echo " done."
fi

# Check to see if the printer is already installed
if [ -n "`lpstat -p 2>&1 | grep -E \"${PRINTER_NAME}\"`" ]; then
   echo "Printer already configured - nothing to do."
else
    # Make sure the printer is available before trying to configure it
    if [ "`lsusb | grep -i ${PRINTER_MANUFACTURER} | cut -d" " -f6`" = "$PRINTER_USB_ID" ]; then
        echo "Printer \"${PRINTER_MANUFACTURER} ${PRINTER_SERIES} ${PRINTER_MODEL}\" connected and switched ON."

        echo -n "Generating printer configuration ..."
        # get printer URI
        PRINTER_URI="`lpinfo -v | grep -i direct | cut -d" " -f2`"
        #echo "Printer URI: $PRINTER_URI"

        # configure printer for CUPS printing system
        lpadmin \
            -p "${PRINTER_NAME}" \
            -v ${PRINTER_URI} \
            -P "$PRINTER_PPD_FILE" \
            -L "${PRINTER_LOCATION}" \
            -o "BRCutLabel=0" \
            -o "BRChain=ON" \
            -E

        # Set it as the default printer
        # lpadmin -d 'Brother-HL-4570CDW'
        echo " done."
    else
        echo ""
        echo ""
        echo "Printer \"${PRINTER_MANUFACTURER} ${PRINTER_SERIES} ${PRINTER_MODEL}\" not connected or switched OFF."
    fi
fi