#!/bin/bash

# This script is executed by make in the parent directory

[ "$HOSTNAME" != lime2 ] || exit 1

main() {
  replace_header_and_footer_lines
  cp ~/src/flytex2html/src/style.css ./procedures/procedure.css

  for folder in ~/src/procedures/*; do
    if [ -d "$folder" ]; then
      process "$folder"
    fi
  done

  remove_procedure_placeholder
}

process() {
  folder="$1"
  name=$(basename "$folder")
  name_without_date=$(echo "$name" | sed -E 's/procedure_//g; s/_202.+//g')
  display_name=$(echo "$name_without_date" | sed -E 's/-/ /g; s/_/ /g')

  verbose -n "Pulling ${name}... "

  mkdir -p ./procedures/"$name_without_date"
  flytex2html -c '../procedure.css' --origin-paths -t "$display_name" "$folder"/main.tex > ./procedures/"$name_without_date"/index.html
  sed -i '/<link rel="stylesheet"/a <link rel="stylesheet" href="../../css/styles.css" type="text/css">' ./procedures/"$name_without_date"/index.html
  cp -r "$folder"/img ./procedures/"$name_without_date"/img

  # copy pdf
  #cp "$folder"/procedure*.pdf ./procedures/procedure_"$name".pdf && echo "Updated $name"

  replace_procedure_line "$name" "$display_name"
}

replace_header_and_footer_lines() {
  awk -v header="$(<./header.html)" '{sub(/===HEADER===/,header)} 1' ./procedures/index.template.html |
    awk -v footer="$(<./footer.html)" '{sub(/===FOOTER===/,footer)} 1' > ./procedures/index.tmp.html
}

replace_procedure_line() {
  name="$1"
  display_name="$2"
  sed -i "s@===PROCEDURE===@<li><p><a href='./procedure_${name}.pdf'>${display_name}</a></p></li>\n===PROCEDURE===@g" ./procedures/index.tmp.html
}

remove_procedure_placeholder() {
  chmod 644 ./procedures/index.html
  sed 's/===PROCEDURE===//g' ./procedures/index.tmp.html > ./procedures/index.html && rm ./procedures/index.tmp.html
  chmod 444 ./procedures/index.html
}

verbose() {
  if [ "$VERBOSE" = true ]; then
    echo "$@"
  fi
}

main