#!/bin/sh -e

POST_TITLE="${POST_TITLE:-}"
DATE_PUBLISHED=""
DATE_UPDATED=""

while read line
do
  if [ "$(echo "$line" | cut -c1-2)" = "# " ]
  then
    POST_TITLE="$(echo "$line" | cut -c3-)"
  elif [ "$(echo "$line" | cut -c1-14)" = "Published on: " ]
  then
    DATE_PUBLISHED="$(date --date="$(echo "$line" | cut -c15-)" +%Y-%m-%d)"
  elif [ "$(echo "$line" | cut -c1-12)" = "Updated on: " ]
  then
    DATE_UPDATED="$(date --date="$(echo "$line" | cut -c13-)" +%Y-%m-%d)"
  fi
done

if [ -n "$POST_TITLE" ]
then
  echo "POST_TITLE=\"${POST_TITLE}\""
fi

if [ -n "$DATE_PUBLISHED" ]
then
  echo "DATE_PUBLISHED=\"${DATE_PUBLISHED}\""
fi

if [ -n "$DATE_UPDATED" ]
then
  echo "DATE_UPDATED=\"${DATE_UPDATED}\""
fi