#!/bin/bash

customdir="--data-dir=$HOME/.config/highlight/"
custom=
srctype=
# font="Hack Nerd Font"
# font="Hack Regular Nerd Font Complete Mono"
# font="UbuntuMono-R"
size=15
theme=bclear
linens=

highlightcss=
[[ -f highlight.css ]] && highlightcss=1

function usage {
  echo "Usage: $(basename $0): [-c] [-l] [-f font] [-s font-size] [-t theme] input-file output-file" >&2
  exit 1
}

while [ $# -gt 0 ]; do
  case $1 in
  -c)    custom=$customdir ; shift ;;
  # -f)    font=$2 ; shift 2 ;;
  -s)    size=$2 ; shift 2 ;;
  -S)    srctype="-S $2" ; shift 2 ;;
  -t)    theme=$2 ; shift 2 ;;
  -l)    linens='-l' ; shift ;;
  -h|-*) usage ;;
   *)    break ;;
  esac
done

if [ ! $# -eq 2 ]; then
  usage
fi

ifile=$1
ofile=$2

highlight -i $ifile $srctype -s $theme --inline-css -K $size -t 4 \
          $custom $linens \
  | wkhtmltopdf - $ofile

if [ -z "$highlightcss" ] && [ -f highlight.css ]; then
  rm highlight.css
fi