#!/bin/sh
#
# genblog is a script to take data from my blogs and format it into html for
# my website
#
# by: Squibid
#

#
# Helper variables and functions
#
bloglist=$(ls -t1 blog/*.html | grep -oP '(?<=\/).*?(?=\.)')
top5=$(printf "$bloglist\n" | head -5)

blogdate() { 
  grep -oP '(?<=\<meta name="date" content=").*(?="\>)' "blog/$1.html"
}
blogtitle() { grep -oP '(?<=\<title\>).*(?=\<\/title\>)' "blog/$1.html"; }
htmlline() {
  printf "<a href=\"/blog/$1\">\ $(blogtitle $1)</a>\
<span>$(blogdate $1)</span><br>\n"
}

# set file dates properly
for i in $bloglist; do
  if $(touch -cd "$(blogdate $i)T00:00:00" /tmp/file); then
    touch -amt "$(blogdate $i | sed 's/\///g')0000" "blog/$i.html"
  fi
done

#
# Start modifing our files
#

# delete old bloglist
sed -i -n '1,/.*<!-- b script marker blog -->/p;/.*<!-- e script marker blog -->/,$p' index.html
sed -i -n '1,/.*<!-- b script marker blog -->/p;/.*<!-- e script marker blog -->/,$p' blog.html

# top 5 blogs
for i in $top5; do
  line=$(htmlline $i)
  # add new bloglist
  sed -i "/.*<!-- e script marker blog -->/i $line" index.html
done

# generate the full blog list
for i in $bloglist; do
  line=$(htmlline $i)
  # add new bloglist
  sed -i "/.*<!-- e script marker blog -->/i $line" blog.html
done