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

ROOT="$(cd "$(dirname "$0")/.." && pwd)"
export PATH="/opt/homebrew/bin:/usr/local/bin:${PATH:-/usr/bin:/bin}"
UPDATES_DIR="${UPDATES_DIR:-${WORK_TREE:-$ROOT}/frontend/public/desktop/updates}"
CONF="$ROOT/desktop/src-tauri/tauri.conf.json"
BASE_URL="${DESKTOP_UPDATE_BASE_URL:-https://exdev.co.kr/desktop/updates}"
BASE_URL="${BASE_URL/http:\/\//https:\/\/}"

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="$UPDATES_DIR/latest.json"
BUILD_INFO="$UPDATES_DIR/build-info.json"

# bundle 파일명·build-info·기존 manifest 중 최고 버전 사용 (build-info stale 방지)
VERSION="$(node <<NODE
const fs = require('fs');
const path = require('path');
const cmp = (a, b) => {
  const pa = a.split('.').map(Number), pb = b.split('.').map(Number);
  for (let i = 0; i < 3; i++) { const d = (pa[i]||0)-(pb[i]||0); if (d) return d; }
  return 0;
};
const maxV = (a, b) => (cmp(a, b) >= 0 ? a : b);
let version = '$VERSION';
const dir = '$UPDATES_DIR';
try {
  const bi = JSON.parse(fs.readFileSync('$BUILD_INFO', 'utf8'));
  if (bi.version) version = maxV(version, bi.version);
} catch {}
try {
  const j = JSON.parse(fs.readFileSync('$LATEST_JSON', 'utf8'));
  if (j.version && j.platforms && Object.keys(j.platforms).length > 0) {
    version = maxV(version, j.version);
  }
} catch {}
try {
  for (const f of fs.readdirSync(dir)) {
    const m = f.match(/(\\d+\\.\\d+\\.\\d+)/);
    if (m) version = maxV(version, m[1]);
  }
} catch {}
console.log(version);
NODE
)"
NOTES="${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