#!/bin/ash

# Input data
ID="$1"
[[ "$6" ]] && shift
IP="$1"
ALERT=$2
LAT=$3
LAT=$((LAT/1000))
#DEV=$4
LOSS=$5

# Set notification content
if [[ $ALERT -eq 0 ]]; then
  EMOJI="green_circle"
  MESSAGE=$(printf "Link returned to nominal condition.\nPacket loss: %i%%\nLatency: %ims\n" $LOSS $LAT)
elif [[ $LOSS -lt 100 ]]; then
  EMOJI="orange_circle"
  MESSAGE=$(printf "Link is experiencing packet loss or high latency.\nPacket loss: %i%%\nLatency: %ims\n" $LOSS $LAT)
else
  EMOJI="red_circle"
  MESSAGE=$(printf "Link is down.\n")
fi

# Send notification
if [[ "$NTFY_URL" ]]; then
  curl -fsS -m 10 --retry 5 -q -H "title: $ID" -H "tags: $EMOJI" -d "$MESSAGE" -o /dev/null "$NTFY_URL"
fi