#! /bin/sh

main() {
   set -e
   set -o pipefail
   pull
}

pull() {
   local last_f=/tmp/ntfy_to_alert.since
   touch "$last_f"
   local since="$(cat "$last_f" | grep . || echo $(($(date +%s)-60*60*4)))"
   for line_b64 in $(
      curl \
      -sS \
      -u "squeaky2x3:dYbtypGkHXFtq1E00k2H42SPGUowi" \
      "https://ntfy.home.blapointe.com/alerts/json?since=$since&poll=1" \
      | grep . \
      | while read -r line; do
         echo "$line" | base64
      done
   ); do
      local line="$(echo "$line_b64" | base64 --decode)"
      local ts=$(echo "$line" | jq -r .time)
      if ((ts+1>since)); then
         since=$((ts+1))
      fi
      if which say &> /dev/null; then
         say "$(echo "$line" | jq -r '.title+" "+.message')"
      else
         echo "!!! $line"
      fi
   done
   echo "$since" | tee "$last_f" >&2
}

if [ "$0" == "$BASH_SOURCE" ]; then
   main "$@"
fi