import { mkdtemp, rm } from 'node:fs/promises';
import { tmpdir } from 'node:os';
import { join } from 'node:path';
import { afterEach, beforeEach, describe, expect, it } from 'vitest';
import { StateStore } from '../src/state/state.js';

let dir = '';

beforeEach(async () => {
  dir = await mkdtemp(join(tmpdir(), 'nlc-'));
});

afterEach(async () => {
  await rm(dir, { force: true, recursive: true });
});

describe('state persistence', () => {
  it('tracks processed messages incrementally', async () => {
    const store = new StateStore(join(dir, 'state.json'));

    expect(await store.isProcessed('msg-1')).toBe(false);
    await store.markProcessed('msg-1');
    expect(await store.isProcessed('msg-1')).toBe(true);
  });
});