import { describe, expect, it } from 'vitest';

import { OfferedUrls } from '../../src/background/capture/offered-urls.js';

describe('OfferedUrls', () => {
  it('remembers a URL for the TTL, then forgets it', () => {
    let now = 0;
    const o = new OfferedUrls({ ttlMs: 1000, now: () => now });
    o.mark('https://x/a.zip');
    expect(o.has('https://x/a.zip')).toBe(true);
    now = 1001;
    expect(o.has('https://x/a.zip')).toBe(false);
    expect(o.size).toBe(0);
  });

  it('re-mark refreshes the TTL', () => {
    let now = 0;
    const o = new OfferedUrls({ ttlMs: 1000, now: () => now });
    o.mark('u');
    now = 900;
    o.mark('u');
    now = 1800; // 900 since the last mark
    expect(o.has('u')).toBe(true);
  });

  it('evicts the oldest past the size cap', () => {
    const o = new OfferedUrls({ maxEntries: 2, ttlMs: 10_000, now: () => 0 });
    o.mark('a');
    o.mark('b');
    o.mark('c');
    expect(o.has('a')).toBe(false);
    expect(o.has('b')).toBe(true);
    expect(o.has('c')).toBe(true);
  });

  it('is false for a URL it has never seen', () => {
    expect(new OfferedUrls().has('nope')).toBe(false);
  });
});