#!/bin/sh
#

# Ligne complète pour pandoc:
# pandoc --template=lib/template.html -c lib/pandoc.css -H lib/head.html -B lib/header.html -A lib/footer.html "$mdfile" -o "$htmlfile"

MARKDOWN_FILES=$(find content -name \*.md)
FEED_FILE=content/feed.xml
KEYWORDS=keywords.md

cat "" > $KEYWORDS

echo "## Generate HTML files for each markdown files"

for mdfile in $MARKDOWN_FILES; do
  echo "-------------- current file $mdfile"
  htmlfile="${mdfile%%.*}.html"
  if [ ! -f "$htmlfile" ] || [ "$htmlfile" -ot "$mdfile" ]; then
    echo "--> generate with pandoc '$htmlfile' from '$mdfile'"
    pandoc --template=lib/template.html -c lib/pandoc.css "$mdfile" -o "$htmlfile"
  fi
  pandoc --template=lib/extract-keywords.md "$mdfile" >> $KEYWORDS
done

echo "## END"

echo "## Build keywords pages"
python build_theme_index.py
if [ ! -f "$htmlfile" ] || [ "$htmlfile" -ot "$mdfile" ]; then
  echo "--> generate with pandoc '$htmlfile' from '$mdfile'"
  pandoc --template=lib/template.html -c lib/pandoc.css "$mdfile" -o "$htmlfile"
fi
echo "## END"

echo "## Build atom"

LAST_CHANGES=$(git log --pretty="format:" --name-only |  grep  "content/posts/20*" | grep ".html" | uniq | tac | head -10)
echo "liste des 10 derniers fichiers qui ont changés : $LAST_CHANGES"


ITEMS=""
for change in $LAST_CHANGES
do
  titre=$(awk -F"<h1>|</h1>" '{for(i=2;i<=NF;i+=2){print $i}}' RS="" $change)
  lien=https://elsif.fr/$(echo $change | awk  '{gsub(/content\//, ""); print $1}')
  updated=$(date -Ins -r $change)
  #summary=$(xmllint --html --noent --xpath "//article" $change)
  summary=""

  ITEMS="$ITEMS
  <entry xml:lang='fr'><title>$titre</title><link href='$lien' rel='alternate' type='text/html'/><updated>$updated</updated><id>tag:$(shasum $change | awk -F ' ' '{print $1}')</id><summary type='HTML'>$summary</summary><author><name>Yannick François</name><email>yaf@elsif.fr</email></author></entry>

  "
done


cat << EOF > $FEED_FILE
<?xml version="1.0" encoding="utf-8"?>

<feed xmlns="http://www.w3.org/2005/Atom">
  <title>Elsif.fr - Yannick François</title>
  <subtitle>les dernières mise à jour du site</subtitle>
  <link href="http://elsif.fr/" />
  <id>tag:elsif.fr</id>
  <updated>$(date -R)</updated>

  $ITEMS
</feed>
EOF


exit 0