set -ex

if [ $# -gt 2 ]; then
  echo "./publish-blog.sh [isodate] mds/blog/blog-file.md"
  exit 1
fi

if [ $# -lt 1 ]; then
  echo "./publish-blog.sh [isodate] mds/blog/blog-file.md"
  exit 1
fi

# Setup Dates

isodate=$(date -I)
date=$(date +"%B %d, %Y")
if [ $# -eq 2 ]; then
  isodate=$1
  date=$(date --date="${isodate}" +"%B %d, %Y")
  in=$2
else
  in=$1
fi

# Get Page Title

title=$(head -n1 $in | sed -E 's/^##[[:space:]]*(.+)[[:space:]]*$/\1/g')

# File info
path=www/blog/${isodate}
out=${path}/index.html

# Make path

mkdir -p ${path}

# Compile md

./compile-md.sh blog "${title}" $in $out

# Update date

sed -E -i "s/BLOG_DATE/${date}/" $out