#!/usr/bin/env bash
# signed updater bundle → latest.json (deploy/checkout 후 placeholder 복구)
set -euo pipefail

ROOT="$(cd "$(dirname "$0")/.." && pwd)"
UPDATES_DIR="${UPDATES_DIR:-${WORK_TREE:-$ROOT}/frontend/public/desktop/updates}"
CONF="$ROOT/desktop/src-tauri/tauri.conf.json"
BASE_URL="${DESKTOP_UPDATE_BASE_URL:-https://exdev.co.kr/desktop/updates}"

if [[ ! -d "$UPDATES_DIR" ]]; then
  echo "[reconcile-latest] skip — no $UPDATES_DIR"
  exit 0
fi

VERSION="$(node -p "require('$CONF').version" 2>/dev/null || echo '0.1.0')"
LATEST_JSON="$UPDATES_DIR/latest.json"
if [[ -f "$LATEST_JSON" ]]; then
  EXISTING="$(node <<NODE
const fs = require('fs');
const confV = '$VERSION';
let existing = '0.0.0';
try { existing = JSON.parse(fs.readFileSync('$LATEST_JSON', 'utf8')).version || '0.0.0'; } catch {}
const cmp = (a, b) => {
  const pa = a.split('.').map(Number), pb = b.split('.').map(Number);
  for (let i = 0; i < 3; i++) {
    const d = (pa[i] || 0) - (pb[i] || 0);
    if (d !== 0) return d;
  }
  return 0;
};
console.log(cmp(existing, confV) > 0 ? existing : confV);
NODE
)"
  VERSION="$EXISTING"
fi
NOTES="${DESKTOP_RELEASE_NOTES:-GoldenChart Desktop $VERSION}"

set +e
node "$ROOT/scripts/generate-desktop-latest-json.mjs" \
  --version "$VERSION" \
  --dir "$UPDATES_DIR" \
  --base-url "$BASE_URL" \
  --notes "$NOTES"
RC=$?
set -e

if [[ "$RC" -eq 0 ]]; then
  echo "[reconcile-latest] updated $UPDATES_DIR/latest.json"
elif [[ "$RC" -eq 2 ]]; then
  echo "[reconcile-latest] no signed bundles — keeping existing latest.json"
else
  exit "$RC"
fi