#!/usr/bin/env bash
# Send a pushover notification.
# Usage: pushover-send [--pid <pid>] [message]
#   --pid <pid>  Wait for process to finish before sending
#   message      Optional message (default: "Job done.")

pid=""
message=""

# Parse arguments
while [[ $# -gt 0 ]]; do
  case "$1" in
    --pid)
      pid="$2"
      shift 2
      ;;
    *)
      message="$1"
      shift
      ;;
  esac
done

# Default message
if [ -z "$message" ]; then
  message="Job done."
fi

# Wait for PID if specified
if [ -n "$pid" ]; then
  if ! [[ "$pid" =~ ^[0-9]+$ ]]; then
    echo "Error: PID must be a number" >&2
    exit 1
  fi
  if [ ! -d "/proc/$pid" ]; then
    echo "Error: Process $pid does not exist" >&2
    exit 1
  fi
  tail --pid="$pid" -f /dev/null 2>/dev/null
fi

curl \
    https://api.pushover.net/1/messages.json \
    --data-urlencode "token=ak8z7cbxim2t7eksvj7dtudo6cdxgj" \
    --data-urlencode "user=u8hjgdf1hquocmy682w9xfmpf3479u" \
    --data-urlencode "priority=1" \
    --data-urlencode "message=$message"