import { cleanup, render, screen, within } from '@testing-library/react';
import { afterEach, describe, expect, it, vi } from 'vitest';

import { ApplicationPage } from '../../src/ApplicationPage';

afterEach(() => { cleanup(); vi.unstubAllGlobals(); });

describe('application status projection', () => {
  it('uses attention for failures and unknown for incomplete evidence', async () => {
    vi.stubGlobal('fetch', vi.fn().mockResolvedValue(new Response(JSON.stringify({
      source: { id: 'agent+services', state: 'healthy', freshness: 'fresh' },
      total: 2,
      applications: [
        { id: 'a', name: 'attention-app', status: 'DOWN', overridden: false, components: [] },
        { id: 'b', name: 'unknown-app', status: 'unknown', overridden: false, components: [] },
      ],
    }), { status: 200, headers: { 'Content-Type': 'application/json' } })));

    render(<ApplicationPage />);

    const attention = (await screen.findByText('attention-app')).closest('li');
    const unknown = screen.getByText('unknown-app').closest('li');
    expect(attention).not.toBeNull();
    expect(unknown).not.toBeNull();
    expect(within(attention!).getByText('Aandacht').closest('.status-badge')).toHaveClass('status-badge--attention');
    expect(within(unknown!).getByText('Onbekend').closest('.status-badge')).toHaveClass('status-badge--unknown');
  });

  it('vertaalt staleness en toont nooit een jaar-1-waarneming als echte tijd', async () => {
    vi.stubGlobal('fetch', vi.fn().mockResolvedValue(new Response(JSON.stringify({
      source: { id: 'agent+services', state: 'healthy', freshness: 'stale', observedAt: '0001-01-01T00:00:00Z', reason: 'source_stale' },
      total: 0,
      applications: [],
    }), { status: 200, headers: { 'Content-Type': 'application/json' } })));

    render(<ApplicationPage />);

    expect(await screen.findByText(/laatste meting is verouderd/i)).toBeVisible();
    expect(screen.getByText('Nooit ontvangen')).toBeVisible();
    expect(screen.queryByText(/1 jan 1/i)).not.toBeInTheDocument();
    expect(screen.getByText('source_stale')).not.toBeVisible();
  });
});