#!/bin/bash
#Device settings
PRINTERLP="/dev/lp0"
PRINTERUSB="/dev/usb/lp0"

#default gs
GS="gs -q -dBATCH -dSAFER -dNOPAUSE -dPDFFitPage -sOutputFile=- -sPaperSize=a4 "
#driver for PCL-5 printers 
DRIVERPCL5="-sDEVICE=ijs -sIjsServer=/usr/bin/ijsgimpprint -sDeviceManufacturer=HEWLETT-PACKARD -sDeviceModel=pcl-5 -sProcessColorModel=DeviceGray -dIjsUseOutputFD -"

#driver for hp PSC 1200 all in one
DRIVERPSC1200="-sDEVICE=ijs -sIjsServer=hpijs -sDeviceManufacturer=HEWLETT-PACKARD -sDeviceModel='psc 1200' -sIjsParams=Quality:Quality=0,Quality:MediaType=0 -dIjsUseOutputFD -"

#default is now
DRIVER=$DRIVERPCL5
PRINTER=$PRINTERLP
#Only text mode : To switch 1 a4 on one paper use -B or 2 a4 on one paper (landscape) use -2rB
NENMODE="-2rB"

#make log file
echo -e "aantal parameters = $# " >> /tmp/lpm.log
for i in $* 
do
echo -e "parameter = $i " >> /tmp/lpm.log
done 

#-- select printer --

#test parameters
if [ $# -ge 1 -a -n "`echo -e $1 | grep "\-P"`" ] ; then
 if [ $1 = "-Php" ]; then
    echo "hp printer"
    shift 1
    DRIVER=$DRIVERPCL5
    PRINTER=$PRINTERLP
    echo -e "$DRIVER\n> $PRINTER" > /usr/bin/lpmsetup
 elif [ $1 = "-Phpcolor" ] ; then
    echo "colorprinter"
    shift 1
    DRIVER=$DRIVERPSC1200
    PRINTER=$PRINTERUSB
    echo -e "$DRIVER\n> $PRINTER" > /usr/bin/lpmsetup
 elif [ $1 = "-Psmbhp" ] ; then
    echo "Samba hp"
    shift 1
    WHICHPRINTER="//BUREAU-SERVER/hp"
    DRIVER=$DRIVERPCL5
    PRINTER="smbclient  -N $WHICHPRINTER -c \"print -\""
    echo -e "$DRIVER\n| $PRINTER" > /usr/bin/lpmsetup
 else
    echo "printer $1 unknown"
    echo "printer $1 unknown" >> /tmp/lpm.log
    exit 1
 fi
fi

# test input file
if [ $# -eq 1 ]; then
  INPUTFILE="$1"
else 
 #test is there a pipe ?
 #hum tyd kan niet kleiner dan 1
 read -e -t1 var
 if [ -n "$var" ] ; then
  #test if /tmp/lpm.data is there , means somebody use it .
  while [ -e /tmp/lpm.data ] ; do 
    sleep 10
  done 
  echo -e "$var" > /tmp/lpm.data
  cat <&0 >> /tmp/lpm.data
  echo "Read pipe to /tmp/lpm.data" >> /tmp/lpm.log
  INPUTFILE="/tmp/lpm.data"
 else
  #help howto
  rm -f /tmp/lpm.data
  echo -e "Useage lpm [-Php | -Phpcolor] file\nIt prints .txt .pdf .doc .rtf .ps"
  echo "Useage lpm [-Php | -Phpcolor] file" >> /tmp/lpm.log
  exit 1
 fi
fi

#check inputfile exsist
if [ ! -s $INPUTFILE ] ; then
   echo "file $INPUTFILE not found !"
   echo "file $INPUTFILE not found !" >> /tmp/lpm.log
   exit 1
fi

#-- Text transformation --

#Find file type
type="file -b $INPUTFILE"
if [ -n "`$type | grep -i "PCL"`" ] ; then
 if [ -n "`echo -e $DRIVER | grep -i "PCL-"`" ];then
 INPUT="cat $INPUTFILE"
 GS=""
 DRIVER=""
 echo -e "Raw data for PCL printer" >> /tmp/lpm.log
 else
 echo -e "Wrong printer for PCL data" >> /tmp/lpm.log
 exit 1
 fi
elif [ -n "`$type | grep -i "data"`" ] ; then
 if [ -n "`echo -e $DRIVER | grep -i "PSC"`" ];then
 INPUT="cat $INPUTFILE"
 GS=""
 DRIVER=""
 echo -e "Raw data for PSC printer" >> /tmp/lpm.log
 else
 echo -e "Wrong printer for PSC data" >> /tmp/lpm.log
 exit 1
 fi
elif [ -n "`$type | grep -i "Microsoft Office Document"`" ] ; then
 if [ -n "`basename $INPUTFILE | grep -i ".doc"`"  -o \
      -n "`basename $INPUTFILE | grep -i ".rtf"`" ] ; then
  #test if /tmp/lpm.data is there , means somebody use it .
  while [ -e /tmp/lpm.data ] ; do 
    sleep 10
  done 
  echo "Converd MS office thru abiword" > /tmp/lpm.log
  #cann't pipe the print output in abiword --print=- doesn't work !
  INPUT="abiword --print=/tmp/lpm.data $INPUTFILE ; cat /tmp/lpm.data |"
 fi
elif test -n "`$type | grep -i "PDF"`";then
 # do PDF
 echo PDF bestand >> /tmp/lpm.log
 INPUT="cat $INPUTFILE |"
elif test -n "`$type | grep -i "PostScript"`";then
 # do Postscript
 echo PostScript bestand >> /tmp/lpm.log
 INPUT="cat $INPUTFILE |"
elif test -n "`$type | grep -i "text"`";then
 # do nenscript
 echo textfile >> /tmp/lpm.log
 INPUT="nenscript $NENMODE -p- $INPUTFILE |"
else
 # Unknown 
 echo unknown file type ! >> /tmp/lpm.log
 exit 1
fi

#get printer if no printer is given it takes the previus one 
DRIVER="`cat /usr/bin/lpmsetup | head -n 1`"
PRINTER="`cat /usr/bin/lpmsetup | tail -n 1`"

#-- execute --
 
#make a print script
echo -e "#!/bin/sh \n$INPUT $GS $DRIVER $PRINTER" > /tmp/exepr
chmod 755 /tmp/exepr
#check or printer is inuse (a kind of semaphore) .
cat $PRINTER 2>/tmp/printlp0
PRINTERSTATUS="cat /tmp/printlp0"   
while [ -n "`$PRINTERSTATUS | grep -i "busy"`" ] 
do
  sleep 60 #wait for 60 sec and try again
  cat /dev/lp0 2>/tmp/printlp0
  PRINTERSTATUS="cat /tmp/printlp0"   
done
#start printing
/tmp/exepr
#clear temp files
rm -f /tmp/exepr
#samba also writes in tmp , they can be very large so remove thim .
#but samba seems to start lpm in /tmp so I donn't get the full path name in INPUTFILE . 
if [ -n "`echo -e $INPUTFILE | grep -i ^"/tmp/"`" -o -n "`echo -e $INPUTFILE | grep -i ^"smbprn"`" ] ; then
 echo -e `date` "remove file " $INPUTFILE >> /tmp/lpm.log
 rm -f $INPUTFILE
fi
#-- end script --