import { describe, test, expect, beforeEach, afterEach } from 'vitest';
import { ElectronTestHarness } from './helpers/electron-test-harness';
import { ConsoleMonitor } from './helpers/console-monitor';
import { IPCVerifier } from './helpers/ipc-verifier';

/**
 * Electron App Smoke Test Suite
 * 
 * Purpose: Catch ALL runtime errors before they reach production
 * 
 * Critical Detections:
 * 1. Browser context violations (Node.js modules in renderer)
 * 2. Console errors during app lifecycle
 * 3. IPC channel communication failures
 * 4. React rendering failures
 * 
 * RED Phase Expectation:
 * This test MUST FAIL due to current browser context errors:
 * - "Module 'path' has been externalized for browser compatibility"
 * - "ReferenceError: __dirname is not defined"
 */

describe.skip('Electron App Smoke Tests', () => {
  let harness: ElectronTestHarness;
  let monitor: ConsoleMonitor;

  beforeEach(async () => {
    harness = new ElectronTestHarness();
    monitor = new ConsoleMonitor();
  });

  afterEach(async () => {
    await harness.close();
  });

  test('should launch Electron app without errors', async () => {
    // Given: Fresh Electron app launch
    await harness.launch();
    const page = harness.getMainWindow();
    
    // When: Monitor console during startup
    monitor.startMonitoring(page);
    
    // Wait for app to fully initialize
    await page.waitForTimeout(2000);
    
    // Then: No console errors should be present
    expect(monitor.hasErrors(), monitor.formatErrors()).toBe(false);
  });

  test('should render main React UI without browser context errors', async () => {
    // Given: Electron app is launched
    await harness.launch();
    const page = harness.getMainWindow();
    monitor.startMonitoring(page);
    
    // When: Waiting for React to render
    await page.waitForLoadState('networkidle');
    
    // Then: No browser context errors (externalized modules, __dirname, require)
    expect(
      monitor.hasBrowserContextErrors(),
      'Browser context errors detected - Node.js modules imported in renderer process:\n' + 
      monitor.formatErrors()
    ).toBe(false);
    
    // And: React root should be present
    const appRoot = await page.locator('#root').count();
    expect(appRoot).toBeGreaterThan(0);
  });

  test('should have functional IPC channels', async () => {
    // Given: Electron app is running
    await harness.launch();
    const page = harness.getMainWindow();
    monitor.startMonitoring(page);
    
    // When: Testing core IPC channels
    const app = harness.getApp();
    const verifier = new IPCVerifier(app);
    const results = await verifier.verifyAllChannels();
    
    // Then: All IPC channels should respond
    const failedChannels = results.filter(r => !r.success);
    expect(
      failedChannels.length,
      `IPC channels failed:\n${IPCVerifier.formatResults(results)}`
    ).toBe(0);
    
    // And: No console errors during IPC operations
    expect(monitor.hasErrors(), monitor.formatErrors()).toBe(false);
  });

  test('should handle console errors gracefully', async () => {
    // Given: Electron app is launched
    await harness.launch();
    const page = harness.getMainWindow();
    monitor.startMonitoring(page);
    
    // When: App runs through full initialization
    await page.waitForLoadState('networkidle');
    await page.waitForTimeout(1000);
    
    // Then: Capture and report any console errors
    const errors = monitor.getErrors();
    const warnings = monitor.getWarnings();
    
    // This assertion WILL FAIL in RED phase
    expect(
      errors.length,
      `Console errors detected:\n${monitor.formatErrors()}`
    ).toBe(0);
    
    // Log warnings for visibility (non-blocking)
    if (warnings.length > 0) {
      console.log('⚠️  Warnings detected:', warnings);
    }
  });

  test('should not have uncaught exceptions during startup', async () => {
    // Given: Fresh Electron launch
    await harness.launch();
    const page = harness.getMainWindow();
    
    // When: Monitor for uncaught exceptions
    const uncaughtExceptions: Error[] = [];
    page.on('pageerror', (error) => {
      uncaughtExceptions.push(error);
    });
    
    await page.waitForLoadState('networkidle');
    await page.waitForTimeout(1500);
    
    // Then: No uncaught exceptions
    expect(
      uncaughtExceptions.length,
      `Uncaught exceptions:\n${uncaughtExceptions.map(e => e.message).join('\n')}`
    ).toBe(0);
  });

  test('should complete full app lifecycle without crashes', async () => {
    // Given: Electron app launches successfully
    await harness.launch();
    const page = harness.getMainWindow();
    monitor.startMonitoring(page);
    
    // When: Running through complete app lifecycle
    await page.waitForLoadState('networkidle');
    
    // Simulate user interaction
    const appVisible = await page.isVisible('#root');
    expect(appVisible).toBe(true);
    
    // Then: No errors throughout lifecycle
    expect(monitor.hasErrors(), monitor.formatErrors()).toBe(false);
    
    // And: App can close cleanly
    await harness.close();
    
    // Verify clean shutdown (no hanging promises)
    expect(monitor.hasErrors()).toBe(false);
  });
});