//! 🌍 COMPREHENSIVE REAL-WORLD TESTING SUITE
//! Created: 2025-08-04
//! Purpose: Test complete application flows with real data and interactions

import { test, expect } from '@playwright/test';
import { LoginPage } from '../page-objects/LoginPage.js';
import { DashboardPage } from '../page-objects/DashboardPage.js';

test.describe('🌍 ROA2WEB Real-World Comprehensive Testing', () => {
  let loginPage;
  let dashboardPage;
  let performanceMetrics = [];
  let networkErrors = [];
  let consoleErrors = [];

  test.beforeEach(async ({ page }) => {
    // Reset metrics
    performanceMetrics = [];
    networkErrors = [];
    consoleErrors = [];

    // Setup comprehensive monitoring
    page.on('response', response => {
      const timing = {
        url: response.url(),
        status: response.status(),
        timing: response.request().timing(),
        size: response.headers()['content-length'] || 0,
        timestamp: new Date().toISOString()
      };
      performanceMetrics.push(timing);

      if (response.status() >= 400) {
        networkErrors.push({
          url: response.url(),
          status: response.status(),
          statusText: response.statusText()
        });
      }
    });

    page.on('console', msg => {
      if (msg.type() === 'error') {
        consoleErrors.push({
          text: msg.text(),
          location: msg.location(),
          timestamp: new Date().toISOString()
        });
      }
    });

    loginPage = new LoginPage(page);
    dashboardPage = new DashboardPage(page);
  });

  test('🎯 COMPLETE USER JOURNEY - Login to Dashboard to Reports', async ({ page }) => {
    console.log('\n🌍 === COMPLETE USER JOURNEY TEST ===');
    
    const startTime = Date.now();
    
    // Phase 1: Navigate to Login
    console.log('\n📍 Phase 1: Navigate to Login');
    await loginPage.navigate();
    await page.screenshot({ path: 'journey-01-login-page.png' });
    
    // Verify login page loads correctly
    await expect(page).toHaveTitle(/ROA Reports/);
    console.log('✅ Login page loaded');
    
    // Phase 2: Attempt Authentication with Real Credentials
    console.log('\n📍 Phase 2: Authentication Flow');
    
    // Test with test credentials first
    await page.fill('#username', 'MARIUS M');
    await page.fill('#password input', 'PAROLA9911');
    
    // Verify button becomes enabled
    await page.waitForTimeout(200);
    const buttonEnabled = !(await page.locator('button[type="submit"]').isDisabled());
    expect(buttonEnabled).toBe(true);
    console.log('✅ Login button enabled with credentials');
    
    // Monitor the authentication request
    const authPromise = page.waitForResponse('**/auth/login').catch(() => null);
    await page.click('button[type="submit"]');
    
    const authResponse = await authPromise;
    if (authResponse) {
      console.log(`📊 Auth Response: ${authResponse.status()}`);
      
      if (authResponse.status() === 200) {
        console.log('✅ Authentication successful');
        
        // Wait for redirect to dashboard
        await page.waitForURL('**/dashboard', { timeout: 10000 }).catch(() => {
          console.log('⚠️  No redirect to dashboard - checking current state');
        });
        
      } else if (authResponse.status() === 422) {
        console.log('❌ Validation error - checking response');
        const responseBody = await authResponse.text();
        console.log('Response body:', responseBody);
        
      } else if (authResponse.status() === 401) {
        console.log('❌ Authentication failed - invalid credentials');
        
      } else {
        console.log(`❌ Unexpected response: ${authResponse.status()}`);
      }
    } else {
      console.log('⚠️  No authentication response received');
    }
    
    await page.screenshot({ path: 'journey-02-after-auth.png' });
    
    // Phase 3: Dashboard Interaction (if successful)
    const currentUrl = page.url();
    console.log(`📍 Current URL: ${currentUrl}`);
    
    if (currentUrl.includes('/dashboard')) {
      console.log('\n📍 Phase 3: Dashboard Interaction');
      
      // Wait for dashboard to load
      await page.waitForSelector('.dashboard-container', { timeout: 5000 }).catch(() => {
        console.log('⚠️  Dashboard container not found');
      });
      
      // Test dashboard functionality
      const companySelector = page.locator('select, .p-dropdown');
      if (await companySelector.first().isVisible()) {
        console.log('✅ Company selector visible');
        
        // Try to select a company
        await companySelector.first().click();
        await page.waitForTimeout(500);
        
        const options = page.locator('.p-dropdown-item');
        const optionCount = await options.count();
        
        if (optionCount > 0) {
          await options.first().click();
          console.log('✅ Company selected');
          
          // Wait for data to load
          await page.waitForTimeout(2000);
          
          // Check if statistics are displayed
          const statsCards = page.locator('.stat-card, .dashboard-stat, .metric-card');
          const statsCount = await statsCards.count();
          console.log(`📊 Statistics cards found: ${statsCount}`);
        }
      }
      
      await page.screenshot({ path: 'journey-03-dashboard.png' });
      
      // Phase 4: Navigation Test
      console.log('\n📍 Phase 4: Navigation Test');
      
      const navLinks = page.locator('nav a, .nav-link, .menu-item');
      const navCount = await navLinks.count();
      console.log(`🧭 Navigation links found: ${navCount}`);
      
      if (navCount > 0) {
        // Try to navigate to invoices
        const invoicesLink = page.locator('text=/facturi|invoice/i').first();
        if (await invoicesLink.isVisible()) {
          await invoicesLink.click();
          await page.waitForTimeout(1000);
          console.log('✅ Navigated to invoices');
          await page.screenshot({ path: 'journey-04-invoices.png' });
        }
      }
    }
    
    const totalTime = Date.now() - startTime;
    console.log(`\n⏱️  Total journey time: ${totalTime}ms`);
  });

  test('🔍 NETWORK PERFORMANCE ANALYSIS', async ({ page }) => {
    console.log('\n🔍 === NETWORK PERFORMANCE ANALYSIS ===');
    
    // Navigate and monitor performance
    await loginPage.navigate();
    
    // Wait for all initial requests to complete
    await page.waitForLoadState('networkidle');
    
    // Analyze performance metrics
    const slowRequests = performanceMetrics.filter(metric => {
      const timing = metric.timing;
      return timing && (timing.responseEnd - timing.requestStart) > 2000;
    });
    
    const failedRequests = performanceMetrics.filter(metric => metric.status >= 400);
    
    console.log(`📊 Total requests: ${performanceMetrics.length}`);
    console.log(`🐌 Slow requests (>2s): ${slowRequests.length}`);
    console.log(`❌ Failed requests: ${failedRequests.length}`);
    
    if (slowRequests.length > 0) {
      console.log('\n🐌 Slow requests:');
      slowRequests.forEach(request => {
        const duration = request.timing ? 
          (request.timing.responseEnd - request.timing.requestStart) : 'unknown';
        console.log(`  - ${request.url}: ${duration}ms`);
      });
    }
    
    if (failedRequests.length > 0) {
      console.log('\n❌ Failed requests:');
      failedRequests.forEach(request => {
        console.log(`  - ${request.status} ${request.url}`);
      });
    }
    
    // Performance assertions
    expect(slowRequests.length).toBeLessThan(5); // Max 5 slow requests
    expect(failedRequests.length).toBeLessThan(3); // Max 3 failed requests
  });

  test('🧪 ERROR HANDLING STRESS TEST', async ({ page }) => {
    console.log('\n🧪 === ERROR HANDLING STRESS TEST ===');
    
    await loginPage.navigate();
    
    // Test various error scenarios
    const errorScenarios = [
      {
        name: 'Server Error 500',
        setup: () => page.route('**/auth/login', route => 
          route.fulfill({ status: 500, body: '{"detail": "Internal server error"}' })
        )
      },
      {
        name: 'Network Timeout',
        setup: () => page.route('**/auth/login', route => route.abort('timeout'))
      },
      {
        name: 'Invalid JSON Response',
        setup: () => page.route('**/auth/login', route => 
          route.fulfill({ status: 200, body: 'invalid json' })
        )
      },
      {
        name: 'Rate Limiting 429',
        setup: () => page.route('**/auth/login', route => 
          route.fulfill({ status: 429, body: '{"detail": "Too many requests"}' })
        )
      }
    ];
    
    for (const scenario of errorScenarios) {
      console.log(`\n--- Testing: ${scenario.name} ---`);
      
      // Setup error scenario
      await scenario.setup();
      
      // Fill credentials and submit
      await page.fill('#username', 'test');
      await page.fill('#password input', 'test');
      await page.click('button[type="submit"]');
      
      // Wait for error handling
      await page.waitForTimeout(3000);
      
      // Check if error is handled gracefully
      const errorMessage = await page.locator('.error-message, .p-toast-error').isVisible();
      console.log(`Error message shown: ${errorMessage}`);
      
      // Verify user is still on login page
      const isOnLogin = await loginPage.isOnLoginPage();
      console.log(`Still on login page: ${isOnLogin}`);
      
      expect(isOnLogin).toBe(true);
      
      // Clear the route override
      await page.unroute('**/auth/login');
      
      // Clear form for next test
      await page.fill('#username', '');
      await page.fill('#password input', '');
      await page.waitForTimeout(500);
    }
  });

  test('📱 RESPONSIVE DESIGN VALIDATION', async ({ page }) => {
    console.log('\n📱 === RESPONSIVE DESIGN VALIDATION ===');
    
    const viewports = [
      { name: 'Mobile Portrait', width: 375, height: 667 },
      { name: 'Mobile Landscape', width: 667, height: 375 },
      { name: 'Tablet', width: 768, height: 1024 },
      { name: 'Desktop', width: 1920, height: 1080 }
    ];
    
    for (const viewport of viewports) {
      console.log(`\n--- Testing: ${viewport.name} (${viewport.width}x${viewport.height}) ---`);
      
      await page.setViewportSize({ width: viewport.width, height: viewport.height });
      await loginPage.navigate();
      
      // Wait for layout to adjust
      await page.waitForTimeout(500);
      
      // Check if login form is visible and accessible
      const formVisible = await page.locator('.login-form').isVisible();
      const buttonVisible = await page.locator('button[type="submit"]').isVisible();
      
      console.log(`Form visible: ${formVisible}`);
      console.log(`Button visible: ${buttonVisible}`);
      
      expect(formVisible).toBe(true);
      expect(buttonVisible).toBe(true);
      
      // Test form interaction
      await page.fill('#username', 'test');
      await page.fill('#password input', 'test');
      
      const buttonEnabled = !(await page.locator('button[type="submit"]').isDisabled());
      expect(buttonEnabled).toBe(true);
      
      // Take screenshot for visual verification
      await page.screenshot({ 
        path: `responsive-${viewport.name.toLowerCase().replace(' ', '-')}.png`,
        fullPage: true 
      });
    }
  });

  test.afterEach(async ({ page }) => {
    // Generate comprehensive test report
    console.log('\n📋 === COMPREHENSIVE TEST REPORT ===');
    console.log(`🌐 Total Network Requests: ${performanceMetrics.length}`);
    console.log(`❌ Network Errors: ${networkErrors.length}`);
    console.log(`🔥 Console Errors: ${consoleErrors.length}`);
    
    if (networkErrors.length > 0) {
      console.log('\n❌ Network Errors:');
      networkErrors.forEach(error => {
        console.log(`  - ${error.status} ${error.url}`);
      });
    }
    
    if (consoleErrors.length > 0) {
      console.log('\n🔥 Console Errors:');
      consoleErrors.forEach(error => {
        console.log(`  - ${error.text}`);
      });
    }
    
    // Performance summary
    const avgResponseTime = performanceMetrics.length > 0 ? 
      performanceMetrics.reduce((sum, metric) => {
        const timing = metric.timing;
        return sum + (timing ? (timing.responseEnd - timing.requestStart) : 0);
      }, 0) / performanceMetrics.length : 0;
    
    console.log(`⚡ Average Response Time: ${Math.round(avgResponseTime)}ms`);
    
    if (avgResponseTime > 1000) {
      console.log('⚠️  Performance Warning: Average response time is high');
    }
  });
});