#!/usr/bin/env node
// dev: 同时跑 dev:backend（air 热加载 control-plane）与 dev:frontend（vite HMR）。
// Ctrl-C 结束两个子进程。
import { spawn } from "node:child_process";
import path from "node:path";
import { fileURLToPath } from "node:url";

const root = path.dirname(path.dirname(fileURLToPath(import.meta.url)));
const pnpm = process.env.npm_execpath || "pnpm";

const procs = [
  spawn(pnpm, ["run", "dev:backend"], { cwd: root, stdio: "inherit" }),
  spawn(pnpm, ["run", "dev:frontend"], { cwd: root, stdio: "inherit" }),
];

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

let remaining = procs.length;
for (const p of procs) {
  p.on("exit", (code) => {
    if (--remaining === 0) process.exit(code ?? 0);
  });
}