#!/bin/sh

CDPATH='' cd -- "$(dirname -- "$0")" || exit

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

long='help,open,all,name:,address:'
short='hoAn:a:'

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 resume and cover letter.

		        USAGE:
		            $SCRIPT [OPTIONS...] <COMPANY> <ADDRESS> -- [LATEXMK_OPTS...]

		        OPTIONS:
		            -A, --all             Build all cover letters
		            -n, --name            Specify a company name to use for generic cover letter
		            -a, --address         Specify a company address to use for generic cover letter
		            -o, --open            Open combined PDF after building
		            -h, --help            Show this help.

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

error() {
	printf 'Error: %s' "$1" 1>&2
	help
	exit 1
}

open=false
all=false
while true; do
	case "$1" in
	-h | --help)
		help
		exit 0
		;;
	-o | --open)
		open=true
		shift
		;;
	-A | --all)
		all=true
		shift
		;;
	-n | --name)
		name=$2
		shift 2
		;;
	-a | --address)
		address=$2
		shift 2
		;;
	--)
		shift
		break
		;;
	*)
		exit 1
		;;
	esac
done

if $all; then
	for f in src/*/cover_letter.tex; do
		latexmk "$f"
	done
fi

if [ -n "$name" ]; then
	if [ -n "$address" ]; then
		company=generic
		set -- "$@" -usepretex="\def\companyname{$name}\def\companyaddress{$address}" -g
	elif [ -e "src/$name/cover_letter.tex" ]; then
		company="$name"
	else
		error "Directory $name not found"
	fi
else
	company=generic
	set -- "$@" -g
fi

latexmk "src/resume.tex"
latexmk "src/$company/cover_letter.tex" -cd- -outdir="src" -auxdir="src" "$@"
pdfunite src/cover_letter.pdf src/resume.pdf src/cover_letter-resume.pdf

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