import { test, expect } from '@playwright/test';
import { login, BASE_URL } from '../../helpers/auth';
import { markManual, markPartial } from '../../helpers/manual';

test.describe('pbx-regression', () => {
  test('pbx-regression-check-core_call_features_after_any_code_change', async ({ page }, testInfo) => {
    testInfo.annotations.push({ type: 'automationStatus', description: 'partial' });
    testInfo.annotations.push({ type: 'testType', description: 'check' });
    markPartial('Admin portal CRUD and configuration regression can be automated; actual call-flow regression (inbound/outbound/hold/transfer) requires active SIP endpoints outside Playwright scope');
    testInfo.annotations.push({ type: 'description', description: 'Run regression checks on core call features after any code change to detect regressions' });

    await test.step('Login and verify portal is accessible', async () => {
      await login(page);
      await expect(page.locator('body')).toBeVisible();
    });

    await test.step('Verify Extension CRUD functions are intact', async () => {
      await page.goto(`${BASE_URL}/admin/extensions`);
      await expect(page.locator('body')).not.toContainText(/500|unexpected error/i);
      await expect(page.locator('table, .extension-list, .no-extensions').first()).toBeVisible();
    });

    await test.step('Verify Trunk list loads correctly', async () => {
      await page.goto(`${BASE_URL}/admin/trunks`);
      await expect(page.locator('body')).not.toContainText(/500/i);
    });

    await test.step('Verify Dial Plan section is intact', async () => {
      await page.goto(`${BASE_URL}/admin/dialplans`);
      await expect(page.locator('body')).not.toContainText(/500/i);
    });

    await test.step('Verify Voicemail settings load correctly', async () => {
      await page.goto(`${BASE_URL}/admin/voicemail`);
      await expect(page.locator('body')).not.toContainText(/500/i);
    });

    await test.step('Verify IVR / Auto-Attendant section loads', async () => {
      await page.goto(`${BASE_URL}/admin/ivr`);
      await expect(page.locator('body')).not.toContainText(/500/i);
    });

    // TODO_MANUAL: After each code merge, run SIP regression suite:
    //   - Internal call test (ext→ext)
    //   - Inbound DID test
    //   - Outbound call test
    //   - Hold/Resume, Transfer, Voicemail deposit/retrieval
  });

  test('pbx-regression-check-previously_fixed_bugs_and_edge_cases_reverification', async ({ page }, testInfo) => {
    testInfo.annotations.push({ type: 'automationStatus', description: 'partial' });
    testInfo.annotations.push({ type: 'testType', description: 'check' });
    markPartial('UI-level bug fixes can be regression-tested via Playwright; telephony-layer or server-side bug fixes require SIP clients or SSH-based verification');
    testInfo.annotations.push({ type: 'description', description: 'Verify all previously fixed bugs and known edge cases have not regressed in this release' });

    const knownBugRoutes = [
      // Add routes that previously had UI bugs — update this list per release
      { name: 'Extension edit page', path: '/admin/extensions' },
      { name: 'Trunk status display', path: '/admin/trunks' },
      { name: 'CDR export', path: '/admin/logs/cdr' },
      { name: 'User roles', path: '/admin/users/roles' },
    ];

    await test.step('Login', async () => {
      await login(page);
    });

    for (const route of knownBugRoutes) {
      await test.step(`Verify "${route.name}" loads without regression`, async () => {
        const response = await page.goto(`${BASE_URL}${route.path}`);
        expect(response?.status()).toBeLessThan(500);
        await expect(page.locator('body')).not.toContainText(/unexpected error|traceback|exception/i);
      });
    }

    // TODO_MANUAL: For each closed bug ticket, execute the reproduction steps from the ticket
    //              and verify the bug is not reproducible on this release.
  });

  test('pbx-regression-check-performance_baselines_comparison_against_previous_version', async ({ page }, testInfo) => {
    testInfo.annotations.push({ type: 'automationStatus', description: 'manual' });
    testInfo.annotations.push({ type: 'testType', description: 'check' });
    markManual('Requires SIPp load tests producing comparable metrics against the previous version baseline; statistical comparison and pass/fail determination require human or scripted analysis outside the browser');
    testInfo.annotations.push({ type: 'description', description: 'Compare key performance metrics (concurrent calls, call setup time, resource usage) against the previous version baseline' });
    // Manual steps:
    // 1. Run the standard SIPp performance benchmark on the PREVIOUS version. Record: max CPS, P95 setup time, peak CPU.
    // 2. Install NEW version. Run the identical SIPp benchmark.
    // 3. Compare: max CPS diff must be ≤ 5% degradation; setup time P95 diff ≤ 10%.
    // 4. If any metric degrades > threshold, file a performance regression bug.
    // 5. Attach benchmark results (CSV + charts) to this test report.
  });

  test('pbx-regression-check-security_hardening_and_vulnerability_scan_baseline', async ({ page }, testInfo) => {
    testInfo.annotations.push({ type: 'automationStatus', description: 'partial' });
    testInfo.annotations.push({ type: 'testType', description: 'check' });
    markPartial('Security configuration checks (HTTPS, RBAC, encryption enabled) can be automated via admin portal; full vulnerability scan baseline requires external tools (OpenVAS, Nessus, Trivy) integrated into the CI pipeline');
    testInfo.annotations.push({ type: 'description', description: 'Verify security hardening settings are intact and vulnerability scan result is no worse than the previous version baseline' });

    await test.step('Login and navigate to security overview', async () => {
      await login(page);
      await page.goto(`${BASE_URL}/admin/security`);
    });

    await test.step('Verify HTTPS enforcement is active', async () => {
      expect(page.url()).toMatch(/^https:\/\//);
    });

    await test.step('Verify RBAC settings page loads', async () => {
      await page.goto(`${BASE_URL}/admin/users/roles`);
      await expect(page.locator('body')).not.toContainText(/500/i);
    });

    await test.step('Verify media encryption is still enabled after code change', async () => {
      await page.goto(`${BASE_URL}/admin/security/media-encryption`);
      const pageText = await page.locator('body').textContent() ?? '';
      expect(pageText).toMatch(/srtp|tls/i);
    });

    await test.step('Verify audit logging is still active', async () => {
      await page.goto(`${BASE_URL}/admin/security/audit`);
      await expect(page.locator('body')).not.toContainText(/500/i);
    });

    // TODO_MANUAL / TODO_CI: Run `trivy image <new-release-image>` and compare CVE count
    //              against the previous version scan. New Critical/High CVEs = regression.
  });
});