#!/bin/sh
#
# faxv - display faxes in incoming spool directory using ``dialog''
#
#
# IMPORTANT: needs the ``dialog'' shell tool in the $PATH. If you don't
#            have it, check sunsite.unc.edu:/pub/Linux/utils/shell/dialog*
#
#
tmp=/tmp/faxv.$$
tmp2=/tmp/faxv.c.$$
trap "rm $tmp $tmp2 2>/dev/null" 0 1 15

# customization
#
# a program that can display "pbm" files
X11_VIEWER=xloadimage
X11_VIEWER_SCALED="xloadimage -zoom 60"
#
# if G3view is installed, it will be used instead
G3VIEW=/usr/local/bin/viewfax
#
# how to print faxes (file names on the command line)
FAX_PRINT=/usr/local/bin/printfax

#
# incoming fax dir
FAX_SPOOL_IN=@FAX_SPOOL_IN@

#
# sub menus / functions
#

# display fax, 100% size
fv_view_100()
{
    faxid=$1
    if [ -x "$G3VIEW" ] ; then
	cd $FAX_SPOOL_IN
	$G3VIEW -v $faxid*
    else
	for i in $FAX_SPOOL_IN/$faxid*
	do
	    g32pbm $i >/tmp/$faxid.`expr $i : ".*\.\([^.]*\)$"`
	done
	$X11_VIEWER /tmp/$faxid.*
	rm /tmp/$faxid.*
    fi
}

# display fax, scaled down to 60% 
fv_view_60()
{
    faxid=$1
    if [ -x "$G3VIEW" ] ; then
	cd $FAX_SPOOL_IN
	$G3VIEW -v $faxid*
    else
	for i in $FAX_SPOOL_IN/$faxid*
	do
	    g32pbm $i >/tmp/$faxid.`expr $i : ".*\.\([^.]*\)$"`
	done
	$X11_VIEWER_SCALED /tmp/$faxid.*
	rm /tmp/$faxid.*
    fi
}

# print using $PRINTFAX
fv_print()
{
    faxid=$1
    $FAX_PRINT $FAX_SPOOL_IN/$faxid*
}

# delete fax
fv_delete()
{
    faxid=$1
    if [ ! -w $FAX_SPOOL_IN ]
    then
	dialog --msgbox "Cannot delete, no write permissions on $FAX_SPOOL_IN." 7 42
	return 1
    else
	dialog --yesno "really delete $faxid?" 5 38 &&
	    rm $FAX_SPOOL_IN/$faxid*
    fi
}

# rename "sender id" part
fv_chg_sender()
{
    faxid=$1
    if [ ! -w $FAX_SPOOL_IN ]
    then
	dialog --msgbox "Cannot rename, no write permissions on $FAX_SPOOL_IN." 7 42
    else
	dialog --inputbox "Change sender ID of $faxid to what?" \
	       8 42 2>$tmp2 || return
	new=`cat $tmp2 | tr " */()|&" ".+-...."`
	for i in $FAX_SPOOL_IN/$faxid* 
	do
	    mv $i `expr $i : "\(.*/[^/]\{11\}\)[^/]*"`-$new.`expr $i : ".*\.\([^.]*\)[^.]*"`
	done
    fi
}

# move the fax to another location
fv_move()
{
    faxid=$1 ; fullname=$2
    if [ ! -w $FAX_SPOOL_IN ]
    then
	dialog --msgbox "Cannot mv away, no write permissions on $FAX_SPOOL_IN." 7 44
	return 1
    else
	dialog --inputbox "Where do you want to move the fax $fullname.* to? (warning: the path you enter is relative to your current working directory!)" \
	       10 42 2>$tmp2 || return
	new=`cat $tmp2 | tr " *()|&" ".+...."`

	test -d $new && new="$new/$fullname"

	for i in $FAX_SPOOL_IN/$fullname*
	do
	    echo mv $i $new.`expr $i : ".*\.\([^.]*\)$"` 
	    mv $i $new.`expr $i : ".*\.\([^.]*\)$"` 2>&1
	done
	echo "press <return>" ; read null
    fi
}

#
# process a selected fax (view, print, rename, move, delete, ...)
#
fv_do_something()
{
filename=$1
# loop. Will be exited with "return"
while :
do

    fullname=`ls $FAX_SPOOL_IN/$filename*.01`
    fullname=`basename $fullname .01`

    dialog --title "Fax Viewer" --menu "$fullname..." 15 40 8 \
	    v "View (full size)" \
	    6 "View (scaled to 60%)" \
	    p "Print" \
	    d "Delete" \
	    c "Change Sender ID" \
	    m "MV away" \
	    b "back to selection" \
	    x "exit program" 2>$tmp2

    test $? -eq 0 || return 1
    
    action=`cat $tmp2`

    case $action in
	v) fv_view_100 $filename ;;
	6) fv_view_60 $filename ;;
	p) fv_print $filename ;;
	d) fv_delete $filename && return 0;;
	c) fv_chg_sender $filename ;;
	m) fv_move $filename $fullname && return 0;;
	b) return 0;;
	x) exit 0;;
	*) echo "Huh? Dunno that!" ;;
    esac
done
}



#
# create main selection menu
#

# loop. Leave with exit.

while :
do
    echo "dialog --title \"Fax Viewer\" --menu \\" >$tmp
    echo "\"Please choose the fax you want to view" >>$tmp
    echo "   faxid       sender                          date rcvd     pgs resl.\" \\" >>$tmp
    echo "22 78 15 \\" >>$tmp

    ls -lt $FAX_SPOOL_IN | \
	awk 'BEGIN {pages=0; lname=""}
	     { name=$NF
	       if ( substr(name,1,11) != substr(lname,1,11) )
	       {
		 if ( substr(lname,1,1) == "f" )    # if it *is* a fax...
		 {
		   if ( substr(lname, 2,1 ) == "n" ) res="normal";
						else res="fine  "
		   printf "%s \"%-32.32s %s %4d %s\" \\\n", \
			  substr( lname, 1, 11 ), \
			  substr( lname, 13, length(lname)-15 ), \
			  substr( lfull, 42,12 ), pages, res
		 }
		 pages=1
		 lname=name
		 lfull=$0
	       }
	       else pages++;
	     }
	     END { if ( substr(lname,1,1) == "f" )
		   {
		     if ( substr(lname,2,1) == "n" ) res="normal";
						else res="fine  "
		     printf "%s \"%-32.32s %s %4d %s\" \n", \
			  substr( lname, 1, 11 ), \
			  substr( lname, 13, length(lname)-15 ), \
			  substr( lfull, 42,12 ), pages, res
		    }
	     }' - |head -50 >>$tmp

    echo "" >>$tmp

    @SHELL@ $tmp 2>/$tmp2

    # <esc> or <abort>? -> exit
    test $? -eq 0 || exit 0

    filename=`cat $tmp2`

    fv_do_something $filename

done

rm $tmp $tmp2 2>/dev/null
