/**
 * E2E Tests for Project Dashboard Page
 *
 * Tests the single project view showing:
 * - Project header with status badges
 * - Agent panel with status indicators
 * - Sprint progress and burndown chart
 * - Issue summary sidebar
 * - Recent activity feed
 * - Quick actions (start/pause agents, create sprint)
 *
 * @module e2e/project-dashboard.spec
 * @see Issue #40
 */

import { test, expect } from '@playwright/test';
import { setupAuthenticatedMocks, loginViaUI } from './helpers/auth';

test.describe('Project Dashboard Page', () => {
  test.beforeEach(async ({ page }) => {
    // Set up mock API endpoints
    await setupAuthenticatedMocks(page);
  });

  test('should display project header with name and status badges', async ({ page }) => {
    await loginViaUI(page);

    // Navigate to a project dashboard
    await page.goto('/en/projects/proj-001');
    await page.waitForLoadState('networkidle');

    // Check project header is present
    await expect(page.getByTestId('project-header')).toBeVisible();

    // Check project name
    await expect(page.getByRole('heading', { level: 1 })).toContainText('E-Commerce Platform Redesign');

    // Check status badges
    await expect(page.getByText('In Progress')).toBeVisible();
    await expect(page.getByText('Milestone')).toBeVisible();
  });

  test('should display agent panel with active agents', async ({ page }) => {
    await loginViaUI(page);
    await page.goto('/en/projects/proj-001');
    await page.waitForLoadState('networkidle');

    // Check agent panel is present
    await expect(page.getByTestId('agent-panel')).toBeVisible();
    await expect(page.getByText('Active Agents')).toBeVisible();

    // Check agent count
    await expect(page.getByText(/\d+ of \d+ agents working/)).toBeVisible();

    // Check at least one agent is visible
    await expect(page.getByText('Product Owner')).toBeVisible();
  });

  test('should display sprint progress with stats', async ({ page }) => {
    await loginViaUI(page);
    await page.goto('/en/projects/proj-001');
    await page.waitForLoadState('networkidle');

    // Check sprint progress is present
    await expect(page.getByTestId('sprint-progress')).toBeVisible();
    await expect(page.getByText('Sprint Overview')).toBeVisible();

    // Check progress bar exists
    await expect(page.getByRole('progressbar')).toBeVisible();

    // Check issue stats are shown
    await expect(page.getByText('Completed')).toBeVisible();
    await expect(page.getByText('In Progress')).toBeVisible();
    await expect(page.getByText('Blocked')).toBeVisible();

    // Check burndown chart is present
    await expect(page.getByText('Burndown Chart')).toBeVisible();
  });

  test('should display issue summary sidebar', async ({ page }) => {
    await loginViaUI(page);
    await page.goto('/en/projects/proj-001');
    await page.waitForLoadState('networkidle');

    // Check issue summary is present
    await expect(page.getByTestId('issue-summary')).toBeVisible();
    await expect(page.getByText('Issue Summary')).toBeVisible();

    // Check issue counts by status
    await expect(page.getByText('Open')).toBeVisible();
    await expect(page.getByText('In Review')).toBeVisible();
  });

  test('should display recent activity feed', async ({ page }) => {
    await loginViaUI(page);
    await page.goto('/en/projects/proj-001');
    await page.waitForLoadState('networkidle');

    // Check activity feed is present
    await expect(page.getByTestId('recent-activity')).toBeVisible();
    await expect(page.getByText('Recent Activity')).toBeVisible();
  });

  test('should have quick action buttons', async ({ page }) => {
    await loginViaUI(page);
    await page.goto('/en/projects/proj-001');
    await page.waitForLoadState('networkidle');

    // Check quick actions are present
    await expect(page.getByRole('button', { name: /run sprint/i })).toBeVisible();
    await expect(page.getByRole('button', { name: /new sprint/i })).toBeVisible();
  });

  test('should have manage agents button', async ({ page }) => {
    await loginViaUI(page);
    await page.goto('/en/projects/proj-001');
    await page.waitForLoadState('networkidle');

    // Check manage agents button
    await expect(page.getByRole('button', { name: /manage agents/i })).toBeVisible();
  });

  test('should have view all issues button', async ({ page }) => {
    await loginViaUI(page);
    await page.goto('/en/projects/proj-001');
    await page.waitForLoadState('networkidle');

    // Check view all issues button
    const viewAllButton = page.getByRole('button', { name: /view all issues/i });
    await expect(viewAllButton).toBeVisible();
  });

  test('should have accessible heading hierarchy', async ({ page }) => {
    await loginViaUI(page);
    await page.goto('/en/projects/proj-001');
    await page.waitForLoadState('networkidle');

    // Check for h1 (project name)
    await expect(page.locator('h1')).toBeVisible();

    // Check for multiple headings
    const headings = page.getByRole('heading');
    const count = await headings.count();
    expect(count).toBeGreaterThan(3); // Project name + Agent Panel + Sprint + Activity
  });

  test('should be keyboard navigable', async ({ page }) => {
    await loginViaUI(page);
    await page.goto('/en/projects/proj-001');
    await page.waitForLoadState('networkidle');

    // Tab through the page elements
    await page.keyboard.press('Tab');

    // Should be able to focus on interactive elements
    const focusedElement = page.locator(':focus');
    await expect(focusedElement).toBeVisible();
  });

  test('should show responsive layout on mobile', async ({ page }) => {
    // Set mobile viewport
    await page.setViewportSize({ width: 375, height: 667 });

    await loginViaUI(page);
    await page.goto('/en/projects/proj-001');
    await page.waitForLoadState('networkidle');

    // Page should still be functional on mobile
    await expect(page.getByRole('heading', { level: 1 })).toBeVisible();
    await expect(page.getByTestId('agent-panel')).toBeVisible();
    await expect(page.getByTestId('sprint-progress')).toBeVisible();
  });

  test('should load within acceptable time', async ({ page }) => {
    await loginViaUI(page);

    // Measure navigation timing
    const start = Date.now();
    await page.goto('/en/projects/proj-001');
    await page.waitForLoadState('networkidle');
    const duration = Date.now() - start;

    // Dashboard should load within 5 seconds (including mock data)
    expect(duration).toBeLessThan(5000);
  });

  test('should show SSE connection status when disconnected', async ({ page }) => {
    await loginViaUI(page);
    await page.goto('/en/projects/proj-001');
    await page.waitForLoadState('networkidle');

    // When SSE is not connected, connection status should be visible
    // (Connected state hides the status indicator)
    // Since we don't have SSE mock, it will show as connecting/disconnected
    const connectionStatus = page.locator('[role="status"]').first();

    // Either connection status is visible (not connected) or hidden (connected)
    // Both are valid states
    const count = await connectionStatus.count();
    expect(count).toBeGreaterThanOrEqual(0);
  });
});

test.describe('Project Dashboard Agent Interactions', () => {
  test.beforeEach(async ({ page }) => {
    await setupAuthenticatedMocks(page);
  });

  test('should display agent action menu when clicking agent options', async ({ page }) => {
    await loginViaUI(page);
    await page.goto('/en/projects/proj-001');
    await page.waitForLoadState('networkidle');

    // Find the first agent's action menu button
    const agentActionButton = page
      .getByTestId('agent-panel')
      .getByRole('button', { name: /actions for/i })
      .first();

    // Check button is visible and clickable
    await expect(agentActionButton).toBeVisible();
    await agentActionButton.click();

    // Menu should show options
    await expect(page.getByText('View Details')).toBeVisible();
    await expect(page.getByText('Terminate Agent')).toBeVisible();
  });

  test('should show agent status indicators', async ({ page }) => {
    await loginViaUI(page);
    await page.goto('/en/projects/proj-001');
    await page.waitForLoadState('networkidle');

    // Look for status role elements within agent panel
    const statusIndicators = page.getByTestId('agent-panel').locator('[role="status"]');
    const count = await statusIndicators.count();
    expect(count).toBeGreaterThan(0);
  });
});

test.describe('Project Dashboard Sprint Interactions', () => {
  test.beforeEach(async ({ page }) => {
    await setupAuthenticatedMocks(page);
  });

  test('should display sprint selector when multiple sprints exist', async ({ page }) => {
    await loginViaUI(page);
    await page.goto('/en/projects/proj-001');
    await page.waitForLoadState('networkidle');

    // Check for sprint selector combobox
    const sprintSelector = page.getByRole('combobox', { name: /select sprint/i });
    await expect(sprintSelector).toBeVisible();
  });

  test('should show burndown chart legend', async ({ page }) => {
    await loginViaUI(page);
    await page.goto('/en/projects/proj-001');
    await page.waitForLoadState('networkidle');

    // Check burndown chart has legend items
    await expect(page.getByText('Actual')).toBeVisible();
    await expect(page.getByText('Ideal')).toBeVisible();
  });
});

test.describe('Project Dashboard Activity Feed', () => {
  test.beforeEach(async ({ page }) => {
    await setupAuthenticatedMocks(page);
  });

  test('should display activity items with timestamps', async ({ page }) => {
    await loginViaUI(page);
    await page.goto('/en/projects/proj-001');
    await page.waitForLoadState('networkidle');

    // Check activity feed has content
    const activityFeed = page.getByTestId('recent-activity');
    await expect(activityFeed).toBeVisible();

    // Check for relative timestamps (e.g., "5 minutes ago", "less than a minute ago")
    await expect(activityFeed.getByText(/ago|minute|hour|day/i).first()).toBeVisible();
  });

  test('should highlight action-required activities', async ({ page }) => {
    await loginViaUI(page);
    await page.goto('/en/projects/proj-001');
    await page.waitForLoadState('networkidle');

    // Look for action buttons in activity feed (if any require action)
    const reviewButton = page.getByTestId('recent-activity').getByRole('button', { name: /review/i });
    const count = await reviewButton.count();

    // Either there are action items or not - both are valid
    expect(count).toBeGreaterThanOrEqual(0);
  });
});