import fs from "node:fs";
import path from "node:path";
import os from "node:os";
import dotenv from "dotenv";

export function loadEnv() {
  const homeEnv = path.join(os.homedir(), ".env");
  const localEnv = path.join(process.cwd(), ".env");

  if (fs.existsSync(homeEnv)) dotenv.config({ path: homeEnv });
  if (fs.existsSync(localEnv)) dotenv.config({ path: localEnv });
}

export function requireHcloudToken(): string {
  loadEnv();
  const token = process.env.HCLOUD_TOKEN?.trim();
  if (!token) {
    throw new Error(
      "HCLOUD_TOKEN missing. Put it in ~/.env or ./vm-cloud/.env as: HCLOUD_TOKEN=xxxxx"
    );
  }
  return token;
}