#! /bin/bash

updates_list=()


output+=('<title>TRANSATLANTICISM updates</title>\n')
output+=('<h1>/ <a href="/">TRANSATLANTICISM</a> / Site Updates</h1>\n')
output+=('<main class="stream">\n')

DaySuffix() {
  case `date -d "$date" +"%d"` in
    1|21|31) echo "ST";;
    2|22)    echo "ND";;
    3|23)    echo "RD";;
    *)       echo "TH";;
  esac
}

c=0
while IFS= read -r line; do
    if [[ "$line" != "" ]]; then
        current_entry+=("$line")
    else
      for line in "${current_entry[@]}"; do
        eval "entry$c+=(\"$line\")"
      done
      current_entry=()
      updates_list+=("entry$c")
      c=$(( c + 1 ))
    fi
done < "updates.txt"

for update in "${updates_list[@]}"; do
  date="$(eval echo \${$update[0]})"
  date="$(date -d "$date" +"%^b %-d`DaySuffix`, %Y")"
  type="$(eval echo \${$update[1]})"
  subtitle="$(eval echo \${$update[2]})"
  content="$(eval echo \${$update[3]})"
  output+=("$hr<article><h2>$type: $date</h2><h3>$subtitle</h3><p>$content</p></article>\n")
  hr="<hr>\n"
done

recent_posts=("${output[@]:3:3}")
while IFS= read -r line; do
  if [[ $line == "<!--RECENT UPDATES-->" ]]; then
    line="${recent_posts[@]}"
  fi
  index_page+="$line\n"
done < "./pages/index_no_stream.html"

echo -e "$index_page" > "./pages/index.html"
output+=('</main>\n')
echo -e "${output[@]}" > "./pages/updates.html"