import { spawn, spawnSync } from "node:child_process";
import { existsSync, readFileSync, writeFileSync } from "node:fs";
import { dirname, resolve } from "node:path";
import { fileURLToPath } from "node:url";

const projectRoot = resolve(dirname(fileURLToPath(import.meta.url)), "..");
const npmCommand = process.platform === "win32" ? "npm.cmd" : "npm";
const cacheFile = resolve(
  projectRoot,
  "node_modules/vinext/dist/server/static-file-cache.js",
);
const originalLine = 'const pathname = "/" + relativePath;';
const windowsSafeLine =
  'const pathname = "/" + relativePath.replaceAll("\\\\", "/");';

if (!existsSync(cacheFile)) {
  console.error("未找到项目依赖，请先执行 npm install。");
  process.exit(1);
}

const cacheSource = readFileSync(cacheFile, "utf8");
if (cacheSource.includes(originalLine)) {
  writeFileSync(
    cacheFile,
    cacheSource.replace(originalLine, windowsSafeLine),
    "utf8",
  );
  console.log("已应用 Windows 静态资源路径兼容处理。");
}

const build = spawnSync(npmCommand, ["run", "build"], {
  cwd: projectRoot,
  stdio: "inherit",
});

if (build.status !== 0) {
  process.exit(build.status ?? 1);
}

console.log("\n整个模板项目正在启动：http://localhost:3000/\n");
const server = spawn(npmCommand, ["run", "start", "--", "--port", "3000"], {
  cwd: projectRoot,
  stdio: "inherit",
});

server.on("exit", (code) => process.exit(code ?? 0));

for (const signal of ["SIGINT", "SIGTERM"]) {
  process.on(signal, () => server.kill(signal));
}