import { spawn } from "node:child_process";

export const runProcess = (
  command: string,
  args: string[],
  options: { cwd: string; timeoutMs: number },
): Promise<{ code: number | null; stdout: string; stderr: string }> => {
  return new Promise((resolve, reject) => {
    const child = spawn(command, args, {
      cwd: options.cwd,
      env: process.env,
      stdio: ["ignore", "pipe", "pipe"],
    });
    let stdout = "";
    let stderr = "";
    const t = setTimeout(() => {
      child.kill("SIGTERM");
      reject(new Error(`Process timeout after ${options.timeoutMs}ms`));
    }, options.timeoutMs);
    child.stdout?.on("data", (d: Buffer) => {
      stdout += d.toString("utf-8");
    });
    child.stderr?.on("data", (d: Buffer) => {
      stderr += d.toString("utf-8");
    });
    child.on("close", (code) => {
      clearTimeout(t);
      resolve({ code, stdout, stderr });
    });
    child.on("error", (e) => {
      clearTimeout(t);
      reject(e);
    });
  });
};