#!/usr/bin/env bash

_PLUG_TITLE="System Daemon"
_PLUG_DESCRIPTION=""
#_PLUG_ARGS=(
#)
_PLUG_ROOT="true"

piddir="/var/run/zio"
pidfile="$piddir/sh.zio.sys-daemon.pid"

# TODO: Pidfiles

function check_pidfile() {
	mkdir -p "$piddir"

	if [[ -f $pidfile ]]; then
		pid="$(cat $pidfile)"
		if ps -p $pid > /dev/null; then
			die "Already running (PID exists: $pidfile)"
		    exit
		fi
	else
		touch "$pidfile"
		echo "$$" > "$pidfile"
	fi
}

function del_pidfile() {
	rm -f "$pidfile"
}

function check_updates() {
	function notify_update() {
		prog="$1"
		count="$2"

		/usr/local/bin/sh.zio.notify \
			--level "warning" \
			--message "**$(hostname -f)** completed startup at $(date "+%d-%b-%Y %H:%M:%S %Z")" \
			--title "Node online"
	}

	if [[ -x "$(command -v dnf)" ]]; then
		dnf_updates="$(dnf check-update -q|grep -c ^[a-z0-9])"
		if [[ $dnf_updates > 0 ]]; then
			notify_update "dnf" "$dnf_updates"
		fi
	if
}

function notify_startup() {
	/usr/local/bin/sh.zio.notify \
		--level "info" \
		--message "**$(hostname -f)** completed startup at $(date "+%d-%b-%Y %H:%M:%S %Z")" \
		--title "Node online"
}

function main() {
	check_pidfile

	notify_startup

	#while :
	#do
	#	check_updates()
	#	sleep 3600
	#done

	sleep infinity

	del_pidfile
}

if [[ $_PLUG_INVOKED != "true" ]]; then
    base_dir="$(dirname "$(realpath -s "$0")")"
    git_dir="$base_dir/../../.."

    if [[ -d "$git_dir/.git" ]]; then
    	. "$git_dir/usr/local/libexec/zio/helpers/bash.sh"
    else
    	. "/usr/local/libexec/zio/helpers/bash.sh"
    fi

    export -f get_config_dir

    if [[ -d "$git_dir/.git" ]]; then
        "$git_dir/usr/local/libexec/sodalite/invoker/src/invoke.sh" "$0" $@
    else
        "/usr/local/libexec/sodalite/invoker/src/invoke.sh" "$0" $@
    fi
fi