#!/bin/sh

# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.

readonly TODOTXT="$HOME/documents/todo.txt"

main()
{
	# Handle opts
	while getopts ":h" opt
	do
		case "$opt" in
			h) usage && exit 0 ;;
			*)
				printf "Invalid option passed: %s\n" "$OPTARG" >&2
				;;
		esac
	done

	shift $(( OPTIND - 1 ))

	if [ ! -f "$TODOTXT" ]
	then
		printf "%s\n" "No todo.txt found at $TODOTXT" >&2
		return 3
	fi

	if [ "$#" -lt 1 ]
	then
		cat "$TODOTXT"
		return 0
	fi

	meta="$(date +%F)"

	printf "%s %s gtd:inbox\n" "$meta" "$*"
	printf "%s %s gtd:inbox\n" "$meta" "$*" >> "$TODOTXT"
}

usage()
{
	cat <<EOF
Usage:
	${0##*/} -h

Add an entry to the todo list.

Options:
	-h  Show this help text and exit.
EOF
}

main "$@"