#!/usr/bin/env bash
set -Euo pipefail

STATE_DIR="${XDG_STATE_HOME:-$HOME/.local/state}/hermes-stack-maintenance"
NOTIFIER="$HOME/.local/libexec/hermes-stack-notify"
mkdir -p "$STATE_DIR"

command -v signal-cli >/dev/null 2>&1 || exit 0
installed="$(signal-cli --version 2>/dev/null | grep -Eo '[0-9]+(\.[0-9]+)+' | head -n1)"
latest_url="$(curl -LsS --max-time 30 -o /dev/null -w '%{url_effective}' \
  https://github.com/AsamK/signal-cli/releases/latest || true)"
latest="${latest_url##*/v}"

[[ "$installed" =~ ^[0-9]+(\.[0-9]+)+$ ]] || exit 1
[[ "$latest" =~ ^[0-9]+(\.[0-9]+)+$ ]] || exit 1

if [[ "$(printf '%s\n%s\n' "$installed" "$latest" | sort -V | tail -n1)" == "$latest" &&
      "$installed" != "$latest" ]]; then
  "$NOTIFIER" "signal-cli-Update verfügbar: $installed -> $latest. Manuell ausführen: ~/.local/libexec/hermes-stack-signal-update $latest" || true
fi