#!/bin/sh
# shellcheck disable=1003

SCRIPT="$(basename "$0")"

long='help,open'
short='ho'

if ! opts="$(getopt -o $short -l $long -n "$SCRIPT" -- "$@")"; then
	exit 1
fi

eval set -- "$opts"

help() {
	cat <<-EOF
		        $SCRIPT
		        Toby Vincent <tobyv@tobyvin.dev>

		        $SCRIPT
		            Builds generic cover letter using the provided company name and address.

		        USAGE:
		            $SCRIPT <COMPANY> <ADDRESS> [OPTION ...]

		        OPTIONS:
		            -o, --open            Open PDF after building
		            -h, --help            Show this help.

		        EXAMPLES:
		            $SCRIPT "Chuck's Clucks" "Cluckville, KY" --open
	EOF
}

open=false
while true; do
	case "$1" in
	-h | --help)
		help
		exit 0
		;;
	-o | --open)
		open=true
		shift
		;;
	--)
		shift
		break
		;;
	*)
		exit 1
		;;
	esac
done

if [ "$#" -eq 0 ]; then
	echo 'Error: Missing name and address'
	help
	exit 1
fi

name=$1
address=$2
shift 2

latexmk src/generic/cover_letter.tex -usepretex="\def\companyname{$name}\def\companyaddress{$address}" -g -jobname=custom_cover_letter "$@"
cp src/generic/custom_cover_letter.pdf src/cover_letter.pdf

if $open; then
	xdg-open src/cover_letter.pdf
fi