#!/bin/bash

print_usage(){
    echo "$0 : generates PDF files from html files in directorys and prints them";
    echo "usage :";
    echo "$0 directory [css [printer_host [printername]]]"
    echo " - directory      directory to use to apply html2pdf transform";
    echo " - css            css file to apply to html ";
    echo " - printer_host   Network Name or IP of the printer (port possibly included) ";
    echo " - printer_name   printername ";
    echo "Note that css printerhost and printername are optional parameters ";
    echo "Note that this script uses xhtml2pdf command ";
    echo "    xhtml2pdf command comes with pisa (a python library)
              To install you need setuptools library for python
              then type easy_install pisa ";

    exit 1;
}
if [ $# -lt 1 ]
then
    print_usage
fi
if [[ ! -d $1  ]]
then
    echo "$1 : directory expected";
    exit 1;
fi
if [[ -n $2 && -f $2 ]]
then
    optpisa="--css $2";
fi
if [[ -n $3 ]]
then
    optprinter="-h $3";
fi
if [[ -n $4 ]]
then
    optprinter="$optprinter -d $4";
fi
for i in $1/*.html
do
    xhtml2pdf $optpisa  $i;
done

if [[ -n $optprinter ]]
then
    lp $optprinter  $1/*.pdf;
fi

tar cvfzP $1`date "+%Y%m%d"`.tar.gz  $1/*.pdf;