#!/bin/sh

pass_store_dir="${PASSWORD_STORE_DIR:-$HOME/.pass}"
menu="bemenu"
icon="󰟵 "

note()
{
	: "${1:?}"

	command -v notify-send > /dev/null &&
		notify-send "$icon dpass" "$1"
}

die()
{
	: "${1:?}"

	note "$1"

	printf "\033[31;1merr: %b\033[0m\n" "$1"
	exit "${2:-1}"
}

dep_check()
{
	: "${1:?}"

	for dep; do
		command -v "$dep" 1>/dev/null ||
			die "$dep not found, please install it" 127
	done

	unset dep
}

search()
{
	# usage: search directory
	pass_path="${1:?}"

	while [ -d "$pass_path" ]
	do
		pass_path="${pass_path}/$(printf '%s\n' "$pass_path"/* |
			sed 's/.*\///g' |
			"$menu" -l 25 -p "$icon  ${pass_path##*/} ")" || exit 1
	done

	pass_path="${pass_path#"${pass_store_dir}"/}"
	pass_path="${pass_path%.gpg}"
}

main()
{
	pass_path=

	[ -z "$WAYLAND_DISPLAY" ] && menu="dmenu"
	dep_check "$menu" "pass"

	case "$1" in
	-o)
		search "$pass_store_dir"
		pass "$pass_path"
		;;
	-c)
		if [ -z "$WAYLAND_DISPLAY" ]
		then
			dep_check "xclip"
		else
			dep_check "wl-copy"
		fi

		search "$pass_store_dir"
		pass --clip "$pass_path"
		note "password copied to clipboard, will clear in 45 seconds."
		;;
	-h|--help)
		cat <<- EOF
			Usage: dpass command
			dmenu wrapper for the standard unix password manager
			Commands:
			  -h	show this help cruft
			  -o	print the password to stdout
			  -c	coppy the password to clipboard
			  -t	type the password (default behaviour)
		EOF
		;;
	""|-t)
		search "$pass_store_dir"
		secret="$(pass "$pass_path")" || {
			note 'decryption failed'
			exit
		}

		if [ -z "$WAYLAND_DISPLAY" ]
		then
			dep_check "xdotool"
			xdotool type --delay 20 "$secret"
		else
			dep_check "wtype"
			wtype -d 20 "$secret"
		fi
		;;
	*)
		die "${0##*/} $1, invalid usage"
		;;
	esac
}

main "$@"