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

test.describe('core-upgrade', () => {
  test('core-upgrade-check-in_place_upgrade_from_previous_major_version', async ({ page }, testInfo) => {
    testInfo.annotations.push({ type: 'automationStatus', description: 'manual' });
    testInfo.annotations.push({ type: 'testType', description: 'check' });
    markManual('Requires a running instance of the previous major version, access to the new release package, and execution of the upgrade procedure; needs dedicated test environment');
    testInfo.annotations.push({ type: 'description', description: 'Verify in-place upgrade from the previous major version completes successfully without data loss' });
    // Manual steps:
    // 1. Take a VM snapshot of the previous-version system as rollback point.
    // 2. Upload / stage the new release package on the system.
    // 3. Execute the upgrade command (e.g., `pbx-upgrade --release X.Y.Z`).
    // 4. Monitor upgrade logs for errors.
    // 5. Verify the system comes back online at the new version.
    // 6. Check admin portal version string matches the target release.
    // 7. Verify a sample set of configuration objects (extensions, trunks) survived the upgrade.
  });

  test('core-upgrade-check-configuration_and_database_migration_validation', async ({ page }, testInfo) => {
    testInfo.annotations.push({ type: 'automationStatus', description: 'partial' });
    testInfo.annotations.push({ type: 'testType', description: 'check' });
    markPartial('Post-upgrade UI configuration checks are automated; DB schema integrity validation requires direct DB access (psql/mysql CLI) outside Playwright scope');
    testInfo.annotations.push({ type: 'description', description: 'Verify configuration objects and database content migrate correctly after upgrade' });

    await test.step('Login to admin portal after upgrade', async () => {
      await login(page);
    });

    await test.step('Verify extensions list is intact', async () => {
      await page.goto(`${BASE_URL}/admin/extensions`);
      await expect(page.locator('table tbody tr, .extension-item').first()).toBeVisible();
    });

    await test.step('Verify trunk configurations are present', async () => {
      await page.goto(`${BASE_URL}/admin/trunks`);
      await expect(page.locator('table tbody tr, .trunk-item').first()).toBeVisible();
    });

    await test.step('Verify dial plan rules are present', async () => {
      await page.goto(`${BASE_URL}/admin/dialplans`);
      await expect(page.locator('body')).not.toContainText(/no.*rule|empty/i);
    });

    // TODO_MANUAL: SSH into the server and run:
    //   psql -U pbx -c '\dt'   (or equivalent for your DB)
    //   Verify all expected tables are present and row counts match pre-upgrade counts.
  });

  test('core-upgrade-check-schema_upgrade_and_data_integrity_check', async ({ page }, testInfo) => {
    testInfo.annotations.push({ type: 'automationStatus', description: 'manual' });
    testInfo.annotations.push({ type: 'testType', description: 'check' });
    markManual('Requires direct database access (psql/mysql) and schema comparison tooling; DB schema is not exposed via the admin portal');
    testInfo.annotations.push({ type: 'description', description: 'Verify the database schema is correctly upgraded and all data maintains integrity after migration' });
    // Manual steps:
    // 1. Before upgrade: dump schema with `pg_dump --schema-only` and row counts.
    // 2. After upgrade: dump new schema and compare with expected schema for new version.
    // 3. Verify: no unexpected table drops, all new columns added, indexes intact.
    // 4. Run data integrity checks: FK constraints, NULL columns for required fields.
    // 5. Compare row counts for critical tables (extensions, cdr, trunks).
    // 6. Document any discrepancies as issues.
  });

  test('core-upgrade-check-rollback_procedure_execution_and_verification', async ({ page }, testInfo) => {
    testInfo.annotations.push({ type: 'automationStatus', description: 'manual' });
    testInfo.annotations.push({ type: 'testType', description: 'check' });
    markManual('Rollback requires either reverting a VM snapshot or downgrading packages on the OS — both require physical/hypervisor-level access and cannot be driven by Playwright');
    testInfo.annotations.push({ type: 'description', description: 'Verify the rollback procedure successfully reverts the system to the previous version' });
    // Manual steps:
    // 1. Use the VM snapshot taken before upgrade OR follow documented package rollback procedure.
    // 2. Execute rollback (snapshot revert or `pbx-upgrade --rollback`).
    // 3. Monitor rollback logs for errors.
    // 4. Verify the system boots at the previous version.
    // 5. Verify admin portal is accessible and shows the previous version number.
    // 6. Verify a sample call can be completed (if safe to test in this environment).
    // 7. Record rollback duration and outcome.
  });

  test('core-upgrade-check-post_upgrade_regression_of_core_features', async ({ page }, testInfo) => {
    testInfo.annotations.push({ type: 'automationStatus', description: 'automated' });
    testInfo.annotations.push({ type: 'testType', description: 'check' });
    testInfo.annotations.push({ type: 'description', description: 'Run automated regression checks on core portal features after upgrade to detect any regressions' });

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

    const sections = [
      { name: 'Extensions', path: '/admin/extensions' },
      { name: 'Trunks', path: '/admin/trunks' },
      { name: 'Dial Plans', path: '/admin/dialplans' },
      { name: 'Users', path: '/admin/users' },
      { name: 'Security', path: '/admin/security' },
      { name: 'Logs', path: '/admin/logs' },
    ];

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

  test('core-upgrade-check-zero_downtime_upgrade_where_supported', async ({ page }, testInfo) => {
    testInfo.annotations.push({ type: 'automationStatus', description: 'manual' });
    testInfo.annotations.push({ type: 'testType', description: 'check' });
    markManual('Requires active call sessions monitored during the upgrade window and concurrent upgrade execution on the server; calls cannot be established or monitored by Playwright');
    testInfo.annotations.push({ type: 'description', description: 'Verify zero-downtime upgrade keeps the service available throughout the upgrade process' });
    // Manual steps:
    // 1. Establish 5+ active SIP calls before starting the upgrade.
    // 2. Begin the rolling upgrade procedure.
    // 3. Monitor portal availability with a ping/health-check script every 5 s.
    // 4. Monitor active calls — none should drop.
    // 5. Verify: no HTTP 5xx responses during upgrade, all calls survive, upgrade completes.
    // 6. Record: downtime (should be 0), call drop count, upgrade duration.
  });
});