/**
 * Simple liveness & readiness helpers
 */

export type ReadinessResult = {
  ok: boolean;
  details: { name: string; ok: boolean; error?: string }[];
};

export function liveness() {
  return {
    status: 'ok',
    timestamp: Date.now(),
  };
}

export async function readiness(
  checks: Array<{ name: string; fn: () => Promise<boolean> | boolean }>
): Promise<ReadinessResult> {
  const results: ReadinessResult['details'] = [];
  for (const c of checks) {
    try {
      const r = await Promise.resolve(c.fn());
      results.push({ name: c.name, ok: !!r });
    } catch (err: any) {
      results.push({ name: c.name, ok: false, error: err?.message ?? String(err) });
    }
  }
  return { ok: results.every((r) => r.ok), details: results };
}