#!/bin/bash
outfile="output.pdf"
display=false
identity=false # keep same filename, but append '.pdf'
# -o flag with argument for output file (default output.pdf)
# -i flag (short for identity) to simply add '.pdf' to the filename
# -d flag to automatically display the output file after rendering
while getopts "o:id" opt; do
	case ${opt} in
		o) 
			outfile=$OPTARG
			;;
                i)
                        identity=true
                        ;;
		d)
			display=true
                        ;;
	esac
done

# remove all processed args
shift $((OPTIND - 1))

if [[ $1 == '' ]] ; then
	echo "fatal: please provide an input file"
	echo "usage: rndrmarkdown [-d] [-o <outfile>] infile.md"
	echo "usage: rndrmarkdown [-d] [-i] infile.md"
	exit 1
fi

infile=$1

if [ $identity = true ]; then
    outfile="$1.pdf"
fi

echo "in $infile out $outfile display $display"

pandoc -s \
	-V linkcolor:blue \
	-V fontfamily:courier \
	-V fontsize=12pt \
	-V geometry:margin=0.85in \
	-o "$outfile" "$infile"

if [[ $display == true ]] ; then
	echo "opening $outfile..."
	xdg-open $outfile
fi