#!/usr/bin/env bash
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

init_paper() {
	local raw="${1:-.}"
	local name
	name="$(printf '%s' "$raw" | tr '[:upper:]' '[:lower:]' | tr -d '\\' | tr '[:space:]' '_')"
	local dest="$SCRIPT_DIR/$name"
	mkdir -p "$dest"
	cp "$SCRIPT_DIR/ams-latex-template/doc/amsart-template.tex" "$dest/paper.tex"
	sed -i '' "s|\\\\title{}|\\\\title{$raw}|" "$dest/paper.tex"
	sed -i '' "s|\\\\author{}|\\\\author{Eric Bauerfeld}|" "$dest/paper.tex"
	sed -i '' '/^%    author two information$/,/^\\thanks{}$/d' "$dest/paper.tex"
	echo "Initialized paper.tex in $dest"
}

case "${1:-}" in
init_paper)
	shift
	init_paper "$@"
	;;
*)
	echo "Usage: $0 {init_paper} [dest_dir]" >&2
	exit 1
	;;
esac