#!/usr/bin/env bash
# published latest.json·설치 파일·tauri.conf 중 최대 버전 +1 patch → tauri.conf.json
set -euo pipefail

ROOT="$(cd "$(dirname "$0")/.." && pwd)"
WORK_TREE="${WORK_TREE:-$ROOT}"
CONF="${WORK_TREE}/desktop/src-tauri/tauri.conf.json"
LATEST="${WORK_TREE}/frontend/public/desktop/updates/latest.json"
UPDATES_DIR="${WORK_TREE}/frontend/public/desktop/updates"
BUILD_INFO="${WORK_TREE}/dist-desktop/build-info.json"

node -e "
const fs = require('fs');
const path = require('path');
const confPath = process.argv[1];
const latestPath = process.argv[2];
const updatesDir = process.argv[3];
const buildInfoPath = process.argv[4];

const parse = v => String(v || '0.0.0').trim().replace(/^v/i, '').split('.').map(n => parseInt(n, 10) || 0);
const cmp = (a, b) => {
  const pa = parse(a), pb = parse(b);
  const len = Math.max(pa.length, pb.length, 3);
  for (let i = 0; i < len; i++) {
    const d = (pa[i] || 0) - (pb[i] || 0);
    if (d) return d;
  }
  return 0;
};
const maxVer = (cur, next) => (cmp(next, cur) > 0 ? next : cur);

const conf = JSON.parse(fs.readFileSync(confPath, 'utf8'));
let base = conf.version || '0.1.0';

if (fs.existsSync(latestPath)) {
  try {
    const pub = JSON.parse(fs.readFileSync(latestPath, 'utf8'));
    if (pub.version) base = maxVer(base, pub.version);
  } catch { /* ignore */ }
}
if (fs.existsSync(buildInfoPath)) {
  try {
    const bi = JSON.parse(fs.readFileSync(buildInfoPath, 'utf8'));
    if (bi.version) base = maxVer(base, bi.version);
  } catch { /* ignore */ }
}
if (fs.existsSync(updatesDir)) {
  for (const name of fs.readdirSync(updatesDir)) {
    const m = name.match(/[_-](\\d+\\.\\d+\\.\\d+)[_-]/);
    if (m) base = maxVer(base, m[1]);
    const m2 = name.match(/GoldenChart_(\\d+\\.\\d+\\.\\d+)/);
    if (m2) base = maxVer(base, m2[1]);
  }
}

const parts = parse(base);
while (parts.length < 3) parts.push(0);
parts[2] += 1;
const nv = parts.join('.');
conf.version = nv;
fs.writeFileSync(confPath, JSON.stringify(conf, null, 2) + '\n');
console.log(nv);
" "$CONF" "$LATEST" "$UPDATES_DIR" "$BUILD_INFO"