#!/bin/sh
# $TheSupernovaDuo: kanako,v 2.1 2023/10/25 01:50:28 yakumo_izuru Exp $

readonly kanako_conf_dir="${kanako_conf_dir:-$HOME/.config/kanako}"
readonly kanako_key_dir="${kanako_key_dir:-$HOME/.kanako}"
readonly kanako_store_dir="${kanako_store_dir:-$HOME/.kanako-store}"

if test -d "${kanako_store_dir}"; then
	cd "${kanako_store_dir}"
else
	printf "Password store not found!\n"
	printf "Create it with mkdir -p %s\n" "$kanako_store_dir"
	exit 1
fi

if test -f "${kanako_conf_dir}/kanako.conf"; then
	. "${kanako_conf_dir}/kanako.conf"
else
	printf "Configuration file has not been found!\n"
	printf "Copy kanako.conf from the examples directory,\n"
	printf "and edit accordingly.\n"
	exit 1
fi

copy() {
	view "$1" | "${kanako_clip_cmd}"
}
edit() {
	if [ -f ${1%%.enc}.enc ]; then
		${kanako_encrypt_cmd} ${kanako_decrypt_args} ${1%%.enc}.enc >${1%%.enc}
		"${EDITOR:-${EDITOR:-vi}}" "${1%%.enc}"
		${kanako_encrypt_cmd} ${kanako_encrypt_args} ${1%%.enc} >${1%%.enc}.enc
		rm "${1%%.enc}"
	else
		printf "%s does not exist, maybe there was a typo on your end?\n" "${1%%.enc}.enc"
	fi
}
gen() {
	printf "%s\n" $(strings </dev/urandom | dd bs=1 count="${1:-30}" 2>/dev/null | tr -d ' \t\n\r')
}
list() {
	if [ -z "$1" ]; then
		$(which tree) "${kanako_store_dir}/" | sed 's/\.enc//g'
	else
		$(which tree) "${1:-.}" | sed 's/\.enc//g'
	fi
}
new() {
	test -d "$1" && usage

	tmpfile="$(mktemp)"
	"${EDITOR:-${EDITOR:-vi}}" "${tmpfile}"

	mkdir -p "$(dirname "$1")"
	${kanako_encrypt_cmd} ${kanako_encrypt_args} ${tmpfile} >${1%%.enc}.enc
	rm ${tmpfile}
}
delete_directory() {
	rm -r -I "$1"
}
delete_file() {
	rm -i "${1}${2}".enc
}
usage() {
	printf "Usage: %s [-c|-e|-g|-l|-n|-R|-r|-v [file or directory]]\n" "$0"
	printf "The arguments for all switches are relative to \${kanako_store_dir}\n"
	printf "which is located at %s\n" "${kanako_store_dir}"
	exit 1
}
view() {
	if [ -f "${1%%.enc}".enc ]; then
		${kanako_encrypt_cmd} ${kanako_decrypt_args} "${1%%.enc}".enc
	elif [ -d "${1:-.}" ]; then
		list "${1:-.}"
	else
		usage
	fi
}

case $1 in
-c) copy $2 ;;
-e) edit $2 ;;
-g) gen $2 ;;
-l) list $2 ;;
-n) new $2 ;;
-R) delete_directory $2 ;;
-r) delete_file $2 ;;
-v) view $2 ;;
*) usage ;;
esac