#!/bin/sh

set -e
[ -n "$DEBUG" ] && set -x

manual_actions_handling=
if [ "${1}" = "-m" ]; then
	manual_actions_handling=1
	shift 1
fi

# check requirements
for tool in makoctl jq bemenu; do
	if ! command -v "$tool" >/dev/null; then
		printf "%s: %s not installed but required\n" "$(basename "$0")" "$tool" >&2
		exit 1
	fi
done

export MENU_PROMPT="󰡟 notif"

_menu() {
	menu -l10 --ifne "$@"
}

select_notification() {
	while read -r line; do # actually only supports 1
		id=$(printf "%s" "${line}" | awk -F'\t' '{print $1}')
		makoctl list | jq -r ".. | select(.id?.data?==${id}) | @text"
	done
}

handle() {
	while read -r json; do
		[ -n "$DEBUG" ] && printf "%s" "${json}" | jq
		printf "dismiss\nactions\n" |
			MENU_PROMPT="${MENU_PROMPT}: $(printf "%s" "${json}" | jq -r '.summary.data')" _menu |
			{
				read -r line
				case ${line} in
				dismiss) handle_dismiss "${json}" ;;
				actions) handle_actions "${json}" ;;
				esac
			}
	done
}

handle_dismiss() {
	id=$(printf "%s" "${1}" | jq -r '.id.data')
	makoctl dismiss -n "${id}"
}

handle_actions() {
	id=$(printf "%s" "${1}" | jq -r '.id.data')

	if [ -n "${manual_actions_handling}" ]; then
		printf "%s" "${1}" | jq -r '.actions.data | to_entries | .[] | @text' |
			_menu |
			jq -r '.key' |
			handle_action_manually "${id}"
	else
		exec makoctl menu -n "${id}" menu -l10
	fi
}

handle_action_manually() {
	id="$1"
	while read -r action; do
		printf "print\ninvoke (using makoctl)\n" |
			_menu --prefix "${action} >" |
			{
				read -r line
				case ${line} in
				print) printf "%s\n" "${action}" ;;
				invoke*) exec makoctl invoke -n "${id}" "${action}" ;;
				esac
			}
	done
}

makoctl list |
	jq --arg id "${1}" -r '(..|select(.id?.data?==$id)) // .data[][] | [.id.data, ."app-name".data, .summary.data, .body.data] | @tsv' |
	if [ -z "${1}" ]; then _menu; else tac | tac; fi |
	select_notification |
	handle