#!/bin/bash

RST2HTML=/usr/bin/rst2html.py

usage() {
	echo "rest2site."
	echo "usage : rest2site [ -h for help ] -s <source path> -w <destination path> -o options"
}

cloud() {
	echo
	echo
	echo ".. sidebar:: Tags"
	for tag in $tags ; do
		echo "   \`$tag\`_"
	done
	echo
	for tag in $tags ; do
		echo "   .. _$tag:"
		echo "      ${1}/$tag"  
	done
	echo
}

while true
do
  case $1 in
	  -d) debug=1 ; set -x ; shift 1 ;;
	  -h) usage ; exit 0 ;;
	  -s) source=$2 ; shift 2 ;;
	  -w) destination=$2 ; shift 2 ;;
	  -o) options=$2 ; shift 2 ;;
	  *) break ;;
  esac
done

if [ -z "$source" -o -z "$destination" ]
then
	usage
	exit 1
fi

tags=`find $source -name "*.rst" -exec grep ":Tags:" {} \; | cut -d ' ' -f2- | tr " " "\n" | sort -u`

# Index general
mkdir -p $destination/tag
cd $destination/tag
cloud . > index.rst
${RST2HTML} --output-encoding=latin1 index.rst index.html

exit 1

cd $source
for source_file in `find . -name "*.rst" | sed 's/^\.\///g'`
do
  rst_file=`basename $source_file`
  rst_path=${source_file/$rst_file}
  rel_path=`echo $rst_path | sed -e 's/[^\/]*//g' -e 's/\//..\//g'`
  html_file=${rst_file/rst}html
  ok_file=${rst_file/rst}ok
  html_destination=$destination/$rst_path$html_file
  cd $source/$rst_path
  link_file=`echo "$rst_path:$html_file" | sed -e 's/\//_/g' -e 's/^\.//g'`
  if [ ! -f $ok_file -o $rst_file -nt $ok_file -o ! -f $html_destination ]
  then
      cloud $rel_path > rest2site.tmp
	  cat $rst_file rest2site.tmp | ${RST2HTML} --output-encoding=latin1 $options > $html_file
	  rm rest2site.tmp
	  if [ $? -eq 0 ] 
	  then
		  touch $ok_file
		  mkdir -p $destination/$rst_path
		  cp $rst_file $html_file $destination/$rst_path
		  tags=`grep ":Tags:" $rst_file | cut -d ' ' -f 2-`
		  for tag in $tags
		  do
			mkdir -p $destination/tag/$tag
			ln -sf $html_destination $destination/tag/$tag/$link_file
		  done
	  fi
	  recipients=`grep ":Recipients:" $rst_file | cut -d ' ' -f 2-`
	  for recipient in $recipients
	  do
		metasend -b -s "[Garage] Updated $source_file" -m text/html -f $html_file -t $recipient
	  done
  fi
done



for tag in $tags
do
  cd $destination/tag/$tag
  echo ".. sidebar:: Tags" > index.rst
  echo >> index.rst
  cat ../index.rst >> index.rst
  html_files=`ls *.html|grep -v index.html`
  for html_file in $html_files
	do
	title="`grep '<title>' $html_file | sed 's/<title>\(.*\)<\/title>/\1/g'`"
	real_file=`find $html_file  -printf %l`
	real_file=../../${real_file/$destination\/}
	if [ -z "$title" ]
		then
		title=$html_file
	fi
	cat >> index.rst <<EOF 
\`$title\`_

.. _$title:
   $real_file

EOF
  done
  ${RST2HTML} --output-encoding=latin1 index.rst index.html
done


# Copier-coller : faire une fonction
cd $destination/tag
rm -f index.rst
tags=`ls -F  | grep \/ | sed -e 's/\/$//g'`
for tag in $tags
  do
  nblinks=`ls ${tag}/*.html|grep -v index.html|wc -l` 
  cat >> index.rst <<EOF
   \`$tag\`_ (${nblinks})

   .. _$tag:
      $tag

EOF
done
${RST2HTML} --output-encoding=latin1 index.rst index.html