/**
 * 构建前将版本号 patch 段 +1，并同步写入 tauri.conf.json / Cargo.toml / package.json。
 */
const fs = require("node:fs");
const path = require("node:path");

const tauriDir = path.join(__dirname, "..");
const rootDir = path.join(tauriDir, "..");

const tauriConfPath = path.join(tauriDir, "tauri.conf.json");
const cargoTomlPath = path.join(tauriDir, "Cargo.toml");
const packageJsonPath = path.join(rootDir, "package.json");

function bumpPatch(version) {
  const parts = String(version)
    .trim()
    .split(".")
    .map((p) => Number.parseInt(p, 10));
  if (parts.length === 0 || parts.some(Number.isNaN)) {
    throw new Error(`无法解析版本号: ${version}`);
  }
  parts[parts.length - 1] += 1;
  return parts.join(".");
}

function updateJsonVersion(filePath, newVersion) {
  const data = JSON.parse(fs.readFileSync(filePath, "utf8"));
  const oldVersion = data.version;
  data.version = newVersion;
  fs.writeFileSync(filePath, `${JSON.stringify(data, null, 2)}\n`, "utf8");
  return oldVersion;
}

function updateCargoVersion(filePath, newVersion) {
  const content = fs.readFileSync(filePath, "utf8");
  const match = content.match(/^version\s*=\s*"([^"]+)"/m);
  if (!match) {
    throw new Error(`Cargo.toml 中未找到 version 字段: ${filePath}`);
  }
  const oldVersion = match[1];
  const next = content.replace(
    /^version\s*=\s*"[^"]+"/m,
    `version = "${newVersion}"`,
  );
  fs.writeFileSync(filePath, next, "utf8");
  return oldVersion;
}

const conf = JSON.parse(fs.readFileSync(tauriConfPath, "utf8"));
const newVersion = bumpPatch(conf.version);

updateJsonVersion(tauriConfPath, newVersion);
updateJsonVersion(packageJsonPath, newVersion);
updateCargoVersion(cargoTomlPath, newVersion);

console.log(`版本号已更新: ${conf.version} -> ${newVersion}`);