#!/bin/bash

function json_sanitize() {
	sed -E 's/"/\\"/g' <<< "$@" | tr -d '\n\r\t'
}

function json_object() {
	local -n ref=$1
	local out=''
	out+='{'
	for key in ${!ref[@]}; do
		out+='"'"$(json_sanitize $key)"'":"'"$(json_sanitize ${ref[$key]})"'",'
	done
	out="${out::-1}"
	out+='}'
	echo "$out"
}

function json_array() {
	local -n ref=$1
	local out=''
	out+='['
	for i in "${ref[@]}"; do
		out+="$i,"
	done
	[[ "$out" != '[' ]] && out="${out::-1}"
	out+=']'
	echo "$out"
}

# notify(data, status)
function notify() {
	source src/mail.sh

	for j in $1; do
		send_data="$(jq -r '.[] | select(.name == "'"$j"'")' < storage/appconfig/notify.json)"
		notify_type="$(jq -r '.type' <<< "$send_data")"
		if [[ "$notify_type" == "mail" ]]; then
			for k in $(jq -r '.to[]' <<< "$send_data"); do
				if [[ "$2" == "1" ]]; then
					mailsend "$k" "$label is DOWN"\
					"$label went down on $(date)"
				elif [[ "$2" == "0" ]]; then
					mailsend "$k" "$label is back UP"\
					"$label came back up on $(date)"
				fi
			done
		elif [[ "$notify_type" == "telegram" ]]; then
			for k in $(jq -r '.to[]' <<< "$send_data"); do
				if [[ "$2" == "1" ]]; then
					msg="$label is DOWN"
				elif [[ "$2" == "0" ]]; then
					msg="$label is back UP"
				fi
				curl -X POST -H 'Content-Type: application/json'\
				-d '{"chat_id": "'"$k"'", "text": "'"$msg"'", "disable_notification": false}'\
				"https://api.telegram.org/bot${cfg[telegram_bot_token]}/sendMessage" > /dev/null
			done
		else
			echo "not supported (yet)"
		fi
	done
}