const intEnv = (name: string, fallback: number) => {
  const value = process.env[name];
  if (!value) return fallback;
  const parsed = Number.parseInt(value, 10);
  return Number.isFinite(parsed) ? parsed : fallback;
};

const requiredEnv = (name: string) => {
  const value = process.env[name]?.trim();
  if (!value) throw new Error(`${name} is required.`);
  return value;
};

export const env = {
  convexUrl:
    process.env.NEXT_PUBLIC_CONVEX_URL?.trim() ??
    process.env.CONVEX_SELF_HOSTED_URL?.trim() ??
    'http://localhost:3210',
  workerToken: requiredEnv('SPOON_WORKER_TOKEN'),
  workerId: process.env.SPOON_AGENT_WORKER_ID?.trim() ?? 'local-worker',
  runtime: process.env.SPOON_AGENT_RUNTIME?.trim() ?? 'docker',
  jobImage:
    process.env.SPOON_AGENT_JOB_IMAGE?.trim() ?? 'spoon-agent-job:latest',
  workdir: process.env.SPOON_AGENT_WORKDIR?.trim() ?? '.local/agent-work',
  network: process.env.SPOON_AGENT_NETWORK?.trim(),
  pollMs: intEnv('SPOON_AGENT_POLL_MS', 5_000),
  maxConcurrentJobs: intEnv('SPOON_AGENT_MAX_CONCURRENT_JOBS', 1),
  jobTimeoutMs: intEnv('SPOON_AGENT_JOB_TIMEOUT_MS', 1_800_000),
  githubAppId: requiredEnv('GITHUB_APP_ID'),
  githubPrivateKey: requiredEnv('GITHUB_APP_PRIVATE_KEY').replaceAll(
    '\\n',
    '\n',
  ),
};