#!/bin/sh

# ayu(1) - an actually boring password manager, which uses age(1) as backend.

# Path to the program's directory
ayu_dir="$HOME/.config/ayu"

# Path to the password store
ayu_store="$HOME/.ayu"

# Path to the age(1) keys
ayu_key="$ayu_dir/age.key"
ayu_pub="$ayu_store/.age-id"

EDITOR=${EDITOR:-vi}

test -d $ayu_dir || mkdir -p $ayu_dir
test -d $ayu_store || mkdir -p $ayu_store

if ! [ -f $ayu_key ];then
	printf "First generate your own age(1) key with age-keygen(1) and place it as $ayu_key. \n"
	printf "e.g: age-keygen -o $ayu_key and public key should be on $ayu_pub \n"
	exit 1
fi

cd $ayu_store || exit 1

edit() {
	age --decrypt --identity=$ayu_key --output=${1%%.age} ${1%%.age}.age
	${EDITOR} ${1%%.age}
	age --encrypt -R $ayu_pub --output=${1%%.age}.age ${1%%.age}
	rm ${1%%.age}
}

list() {
	tree $ayu_store
}

new() {
	test -d "$1" && usage && exit

	tmpfile="$(mktemp)"
	${EDITOR} "$tmpfile"

	mkdir -p "$(dirname "$1")"
	age --encrypt -R $ayu_pub -o $tmpfile.age $tmpfile

	mv $tmpfile.age "${1%%.age}".age
	rm $tmpfile
}
remove() {
	test -d "$1" && usage && exit
	rm -r "$(dirname "$1")"
}
usage() {
	printf "$0 [ edit | list | new | rm | usage | view ] \n"
}

view() {
	if [ -f "${1%%.age}".age ];then
		age --decrypt --identity=$ayu_key "${1%%.age}".age
	elif [ -d "${1:-.}" ];then
		tree "${1:-.}"
	else
		usage
		exit
	fi
}
case $1 in
	edit | ed)
		edit $2
		;;
	list | ls)
		list
		;;
	new)
		new $2
		;;
	remove | rm)
		remove $2
		;;
	usage)
		usage
		;;
	view)
		view $2
		;;
	*)
		list
		;;
esac