// tests/infra/scan_cycle.test.js
import { describe, it, expect, vi } from 'vitest';
import { runDeviceScanCycle } from '../../lib/infra/scan_cycle.js';

function fakeRepo() {
  return {
    upsertScan: vi.fn(async r => r.length),
    markAbsent: vi.fn(async () => 1),
    prune: vi.fn(async () => 2)
  };
}
const noHosts = { all: async () => [] };

describe('runDeviceScanCycle', () => {
  it('scan→upsert→markAbsent→prune on a non-empty scan', async () => {
    const repo = fakeRepo();
    const scan = vi.fn(async () => [{ mac: 'aa:bb:cc:dd:ee:ff', ip: '1.2.3.4', vendor: 'x', randomized: false }]);
    const res = await runDeviceScanCycle({ scan, repo, hosts: noHosts });
    expect(repo.upsertScan).toHaveBeenCalledOnce();
    expect(repo.markAbsent).toHaveBeenCalledWith(['aa:bb:cc:dd:ee:ff']);
    expect(repo.prune).toHaveBeenCalledOnce();
    expect(res).toEqual({ seen: 1, pruned: 2 });
  });

  it('skips upsert/prune when the scan returns nothing', async () => {
    const repo = fakeRepo();
    const res = await runDeviceScanCycle({ scan: async () => [], repo, hosts: noHosts });
    expect(repo.upsertScan).not.toHaveBeenCalled();
    expect(repo.prune).not.toHaveBeenCalled();
    expect(res).toEqual({ seen: 0 });
  });

  it('excludes homelab guests (network_hosts inventory + bc:24:11 OUI)', async () => {
    const repo = fakeRepo();
    const hosts = { all: async () => [{ mac: 'BC:24:11:9B:B7:3A' }, { mac: '00:E0:4C:0F:36:00' }] };
    const scan = async () => [
      { mac: 'bc:24:11:9b:b7:3a', ip: '192.168.1.216', vendor: '', randomized: false }, // in inventory
      { mac: 'bc:24:11:de:ad:00', ip: '192.168.1.99', vendor: '', randomized: false },   // proxmox OUI
      { mac: '00:e0:4c:0f:36:00', ip: '192.168.1.124', vendor: '', randomized: false },  // PVE host in inventory
      { mac: 'd8:eb:46:77:37:a8', ip: '192.168.1.25', vendor: 'Google', randomized: false } // real device
    ];
    const res = await runDeviceScanCycle({ scan, repo, hosts });
    expect(res.seen).toBe(1);
    expect(repo.upsertScan).toHaveBeenCalledWith([expect.objectContaining({ mac: 'd8:eb:46:77:37:a8' })]);
    expect(repo.markAbsent).toHaveBeenCalledWith(['d8:eb:46:77:37:a8']);
  });
});