import { expect, test } from '@playwright/test';

import {
  exceptionUserSession,
  exceptionApproverSession,
  exceptionAdminSession,
} from '../../src/app/testing/auth-fixtures';

const mockConfig = {
  authority: {
    issuer: 'https://authority.local',
    clientId: 'stellaops-ui',
    authorizeEndpoint: 'https://authority.local/connect/authorize',
    tokenEndpoint: 'https://authority.local/connect/token',
    logoutEndpoint: 'https://authority.local/connect/logout',
    redirectUri: 'http://127.0.0.1:4400/auth/callback',
    postLogoutRedirectUri: 'http://127.0.0.1:4400/',
    scope:
      'openid profile email ui.read exceptions:read exceptions:manage exceptions:approve admin',
    audience: 'https://scanner.local',
    dpopAlgorithms: ['ES256'],
    refreshLeewaySeconds: 60,
  },
  apiBaseUrls: {
    authority: 'https://authority.local',
    scanner: 'https://scanner.local',
    policy: 'https://scanner.local',
    concelier: 'https://concelier.local',
    attestor: 'https://attestor.local',
  },
  quickstartMode: true,
};

const mockException = {
  exceptionId: 'exc-test-001',
  name: 'test-exception',
  displayName: 'Test Exception E2E',
  description: 'E2E test exception',
  type: 'vulnerability',
  severity: 'high',
  status: 'pending_review',
  scope: {
    type: 'global',
    vulnIds: ['CVE-2024-9999'],
  },
  justification: {
    text: 'This is a test exception for E2E testing',
  },
  timebox: {
    startDate: new Date().toISOString(),
    endDate: new Date(Date.now() + 30 * 24 * 60 * 60 * 1000).toISOString(),
  },
  labels: {},
  createdBy: 'user-exception-requester',
  createdAt: new Date().toISOString(),
  updatedAt: new Date().toISOString(),
};

function setupMockRoutes(page) {
  // Mock config
  page.route('**/config.json', (route) =>
    route.fulfill({
      status: 200,
      contentType: 'application/json',
      body: JSON.stringify(mockConfig),
    })
  );

  // Mock exception list API
  page.route('**/api/v1/exceptions?*', (route) =>
    route.fulfill({
      status: 200,
      contentType: 'application/json',
      body: JSON.stringify({ items: [mockException], total: 1 }),
    })
  );

  // Mock exception detail API
  page.route(`**/api/v1/exceptions/${mockException.exceptionId}`, (route) =>
    route.fulfill({
      status: 200,
      contentType: 'application/json',
      body: JSON.stringify(mockException),
    })
  );

  // Mock exception create API
  page.route('**/api/v1/exceptions', async (route) => {
    if (route.request().method() === 'POST') {
      const newException = {
        ...mockException,
        exceptionId: 'exc-new-001',
        status: 'draft',
      };
      route.fulfill({
        status: 201,
        contentType: 'application/json',
        body: JSON.stringify(newException),
      });
    } else {
      route.continue();
    }
  });

  // Mock exception transition API
  page.route('**/api/v1/exceptions/*/transition', (route) => {
    const approvedException = {
      ...mockException,
      status: 'approved',
    };
    route.fulfill({
      status: 200,
      contentType: 'application/json',
      body: JSON.stringify(approvedException),
    });
  });

  // Mock exception update API
  page.route('**/api/v1/exceptions/*', async (route) => {
    if (route.request().method() === 'PATCH' || route.request().method() === 'PUT') {
      const updatedException = {
        ...mockException,
        description: 'Updated description',
      };
      route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify(updatedException),
      });
    } else {
      route.continue();
    }
  });

  // Mock SSE events
  page.route('**/api/v1/exceptions/events', (route) =>
    route.fulfill({
      status: 200,
      contentType: 'text/event-stream',
      body: '',
    })
  );

  // Block authority
  page.route('https://authority.local/**', (route) => route.abort());
}

test.describe.skip('Exception Lifecycle - User Flow' /* TODO: Exception wizard UI not yet implemented */, () => {
  test.beforeEach(async ({ page }) => {
    await page.addInitScript((session) => {
      try {
        window.sessionStorage.clear();
      } catch {
        // ignore storage errors
      }
      (window as any).__stellaopsTestSession = session;
    }, exceptionUserSession);

    await setupMockRoutes(page);
  });

  test('create exception flow', async ({ page }) => {
    await page.goto('/policy/exceptions');
    await expect(page.getByRole('heading', { name: /exception/i })).toBeVisible({
      timeout: 10000,
    });

    // Open wizard
    const createButton = page.getByRole('button', { name: /create exception/i });
    await expect(createButton).toBeVisible();
    await createButton.click();

    // Wizard should be visible
    await expect(page.getByRole('dialog', { name: /exception wizard/i })).toBeVisible();

    // Fill in basic info
    await page.getByLabel('Title').fill('Test Exception');
    await page.getByLabel('Justification').fill('This is a test justification');

    // Select severity
    await page.getByLabel('Severity').selectOption('high');

    // Fill scope (CVEs)
    await page.getByLabel('CVE IDs').fill('CVE-2024-9999');

    // Set expiry
    await page.getByLabel('Expires in days').fill('30');

    // Submit
    const submitButton = page.getByRole('button', { name: /submit|create/i });
    await expect(submitButton).toBeEnabled();
    await submitButton.click();

    // Wizard should close
    await expect(page.getByRole('dialog', { name: /exception wizard/i })).toBeHidden();

    // Exception should appear in list
    await expect(page.getByText('Test Exception E2E')).toBeVisible();
  });

  test('displays exception list', async ({ page }) => {
    await page.goto('/policy/exceptions');
    await expect(page.getByRole('heading', { name: /exception/i })).toBeVisible({
      timeout: 10000,
    });

    // Exception should be visible in list
    await expect(page.getByText('Test Exception E2E')).toBeVisible();
    await expect(page.getByText('CVE-2024-9999')).toBeVisible();
  });

  test('opens exception detail panel', async ({ page }) => {
    await page.goto('/policy/exceptions');
    await expect(page.getByRole('heading', { name: /exception/i })).toBeVisible({
      timeout: 10000,
    });

    // Click on exception to view detail
    await page.getByText('Test Exception E2E').click();

    // Detail panel should open
    await expect(page.getByText('This is a test exception for E2E testing')).toBeVisible();
    await expect(page.getByText('CVE-2024-9999')).toBeVisible();
  });
});

test.describe.skip('Exception Lifecycle - Approval Flow' /* TODO: Exception approval queue UI not yet implemented */, () => {
  test.beforeEach(async ({ page }) => {
    await page.addInitScript((session) => {
      try {
        window.sessionStorage.clear();
      } catch {
        // ignore storage errors
      }
      (window as any).__stellaopsTestSession = session;
    }, exceptionApproverSession);

    await setupMockRoutes(page);
  });

  test('approval queue shows pending exceptions', async ({ page }) => {
    await page.goto('/policy/exceptions');
    await expect(page.getByRole('heading', { name: /approval queue/i })).toBeVisible({
      timeout: 10000,
    });

    // Pending exception should be visible
    await expect(page.getByText('Test Exception E2E')).toBeVisible();
    await expect(page.getByText(/pending/i)).toBeVisible();
  });

  test('approve exception', async ({ page }) => {
    await page.goto('/policy/exceptions');
    await expect(page.getByRole('heading', { name: /approval queue/i })).toBeVisible({
      timeout: 10000,
    });

    // Select exception
    const checkbox = page.getByRole('checkbox', { name: /select exception/i }).first();
    await checkbox.check();

    // Approve button should be enabled
    const approveButton = page.getByRole('button', { name: /approve/i });
    await expect(approveButton).toBeEnabled();
    await approveButton.click();

    // Confirmation or success message
    await expect(page.getByText(/approved/i)).toBeVisible({ timeout: 5000 });
  });

  test('reject exception requires comment', async ({ page }) => {
    await page.goto('/policy/exceptions');
    await expect(page.getByRole('heading', { name: /approval queue/i })).toBeVisible({
      timeout: 10000,
    });

    // Select exception
    const checkbox = page.getByRole('checkbox', { name: /select exception/i }).first();
    await checkbox.check();

    // Try to reject without comment
    const rejectButton = page.getByRole('button', { name: /reject/i });
    await rejectButton.click();

    // Error message should appear
    await expect(page.getByText(/comment.*required/i)).toBeVisible();

    // Add comment
    await page.getByLabel(/rejection comment/i).fill('Does not meet policy requirements');

    // Reject should now work
    await rejectButton.click();

    // Success or confirmation
    await expect(page.getByText(/rejected/i)).toBeVisible({ timeout: 5000 });
  });
});

test.describe.skip('Exception Lifecycle - Admin Flow' /* TODO: Exception admin UI not yet implemented */, () => {
  test.beforeEach(async ({ page }) => {
    await page.addInitScript((session) => {
      try {
        window.sessionStorage.clear();
      } catch {
        // ignore storage errors
      }
      (window as any).__stellaopsTestSession = session;
    }, exceptionAdminSession);

    await setupMockRoutes(page);
  });

  test('edit exception details', async ({ page }) => {
    await page.goto('/policy/exceptions');
    await expect(page.getByRole('heading', { name: /exception/i })).toBeVisible({
      timeout: 10000,
    });

    // Open exception detail
    await page.getByText('Test Exception E2E').click();

    // Edit description
    const descriptionField = page.getByLabel(/description/i);
    await descriptionField.fill('Updated description for E2E test');

    // Save changes
    const saveButton = page.getByRole('button', { name: /save/i });
    await expect(saveButton).toBeEnabled();
    await saveButton.click();

    // Success message or confirmation
    await expect(page.getByText(/saved|updated/i)).toBeVisible({ timeout: 5000 });
  });

  test('extend exception expiry', async ({ page }) => {
    await page.goto('/policy/exceptions');
    await expect(page.getByRole('heading', { name: /exception/i })).toBeVisible({
      timeout: 10000,
    });

    // Open exception detail
    await page.getByText('Test Exception E2E').click();

    // Find extend button
    const extendButton = page.getByRole('button', { name: /extend/i });
    await expect(extendButton).toBeVisible();

    // Set extension days
    await page.getByLabel(/extend.*days/i).fill('14');
    await extendButton.click();

    // Confirmation
    await expect(page.getByText(/extended/i)).toBeVisible({ timeout: 5000 });
  });

  test('exception transition workflow', async ({ page }) => {
    await page.goto('/policy/exceptions');
    await expect(page.getByRole('heading', { name: /exception/i })).toBeVisible({
      timeout: 10000,
    });

    // Open exception detail
    await page.getByText('Test Exception E2E').click();

    // Transition button should be available
    const transitionButton = page.getByRole('button', { name: /approve|activate/i }).first();
    await expect(transitionButton).toBeVisible();
    await transitionButton.click();

    // Confirmation or success
    await expect(page.getByText(/approved|activated/i)).toBeVisible({ timeout: 5000 });
  });
});

test.describe.skip('Exception Lifecycle - Role-Based Access' /* TODO: Exception RBAC UI not yet implemented */, () => {
  test('user without approve scope cannot see approval queue', async ({ page }) => {
    await page.addInitScript((session) => {
      try {
        window.sessionStorage.clear();
      } catch {
        // ignore storage errors
      }
      (window as any).__stellaopsTestSession = session;
    }, exceptionUserSession);

    await setupMockRoutes(page);

    await page.goto('/policy/exceptions');

    // Should redirect or show access denied
    await expect(
      page.getByText(/access denied|not authorized|forbidden/i)
    ).toBeVisible({ timeout: 10000 });
  });

  test('approver can access approval queue', async ({ page }) => {
    await page.addInitScript((session) => {
      try {
        window.sessionStorage.clear();
      } catch {
        // ignore storage errors
      }
      (window as any).__stellaopsTestSession = session;
    }, exceptionApproverSession);

    await setupMockRoutes(page);

    await page.goto('/policy/exceptions');

    // Should show approval queue
    await expect(page.getByRole('heading', { name: /approval queue/i })).toBeVisible({
      timeout: 10000,
    });
  });
});

test.describe.skip('Exception Export' /* TODO: Exception export UI not yet implemented */, () => {
  test.beforeEach(async ({ page }) => {
    await page.addInitScript((session) => {
      try {
        window.sessionStorage.clear();
      } catch {
        // ignore storage errors
      }
      (window as any).__stellaopsTestSession = session;
    }, exceptionAdminSession);

    await setupMockRoutes(page);

    // Mock export API
    page.route('**/api/v1/exports/exceptions*', (route) =>
      route.fulfill({
        status: 200,
        contentType: 'application/json',
        body: JSON.stringify({
          reportId: 'report-001',
          downloadUrl: '/downloads/exception-report.json',
        }),
      })
    );
  });

  test('export exception report', async ({ page }) => {
    await page.goto('/policy/exceptions');
    await expect(page.getByRole('heading', { name: /exception/i })).toBeVisible({
      timeout: 10000,
    });

    // Find export button
    const exportButton = page.getByRole('button', { name: /export/i });
    await expect(exportButton).toBeVisible();
    await exportButton.click();

    // Export dialog or confirmation
    await expect(page.getByText(/export|download/i)).toBeVisible();

    // Verify download initiated (check for link or success message)
    const downloadLink = page.getByRole('link', { name: /download/i });
    await expect(downloadLink).toBeVisible({ timeout: 10000 });
  });
});