import type { WorkerActivity } from '../../provisioning-detail.js';
import { currentOperationSource, withOperationSource } from '../hosts/operation-context.js';

const active = new Map<string, WorkerActivity>();
let sequence = 0;

/** Live diagnostics only. Durable operation milestones belong in provisioning history. */
export function workerActivity(): WorkerActivity[] {
    return [...active.values()].map(value => ({ ...value }));
}

export async function trackActivity<T>(key: string, label: string, work: () => Promise<T>): Promise<T> {
    if (active.has(key)) key = `${key}:${++sequence}`;
    active.set(key, { key, label, startedAt: new Date().toISOString() });
    try { return await withOperationSource(currentOperationSource() ?? label, work); }
    finally { active.delete(key); }
}