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

test.describe('📊 Complete Reports Functionality Test', () => {
  let loginPage;
  let networkRequests = [];
  let apiErrors = [];

  test.beforeEach(async ({ page }) => {
    // Reset monitoring arrays
    networkRequests = [];
    apiErrors = [];

    // Monitor network requests
    page.on('request', request => {
      networkRequests.push({
        url: request.url(),
        method: request.method(),
        timestamp: new Date().toISOString()
      });
    });

    page.on('response', response => {
      if (response.status() >= 400) {
        apiErrors.push({
          url: response.url(),
          status: response.status(),
          statusText: response.statusText()
        });
        console.log(`❌ API Error: ${response.status()} ${response.url()}`);
      }
    });

    loginPage = new LoginPage(page);
  });

  test('🎯 Complete User Flow: Login → Dashboard → Reports', async ({ page }) => {
    console.log('\n🎯 === TESTING COMPLETE REPORTS FUNCTIONALITY ===');
    
    // Phase 1: Authentication
    console.log('\n📍 Phase 1: Login with real credentials');
    await loginPage.navigate();
    
    // Use real test credentials
    await page.fill('#username', 'MARIUS M');
    await page.fill('#password input', 'PAROLA9911');
    
    // Submit login and wait for response
    const [authResponse] = await Promise.all([
      page.waitForResponse('**/auth/login'),
      page.click('button[type="submit"]')
    ]);
    
    console.log(`📊 Auth Response: ${authResponse.status()}`);
    expect(authResponse.status()).toBe(200);
    
    // Wait for redirect to dashboard
    await expect(page).toHaveURL(/.*dashboard/);
    console.log('✅ Successfully redirected to dashboard');
    
    // Phase 2: Test Dashboard Loading
    console.log('\n📍 Phase 2: Dashboard Data Loading');
    
    // Wait for dashboard to load
    await page.waitForTimeout(2000);
    
    // Check for companies API call
    const companiesRequests = networkRequests.filter(req => 
      req.url.includes('/companies') || req.url.includes('/api/companies')
    );
    
    console.log(`📊 Companies API requests: ${companiesRequests.length}`);
    
    if (companiesRequests.length > 0) {
      console.log('✅ Companies API was called');
      
      // Check if there were CORS errors
      const corsErrors = apiErrors.filter(err => 
        err.url.includes('/companies')
      );
      
      if (corsErrors.length > 0) {
        console.log('❌ CORS errors detected:');
        corsErrors.forEach(err => {
          console.log(`  - ${err.status} ${err.url}`);
        });
      } else {
        console.log('✅ No CORS errors for companies API');
      }
    } else {
      console.log('⚠️  Companies API was not called - checking why...');
    }
    
    // Look for company selector dropdown
    const companySelectors = [
      '.p-dropdown',
      'select',
      '[data-testid="company-select"]',
      '.company-selector'
    ];
    
    let companySelectorFound = false;
    for (const selector of companySelectors) {
      const element = page.locator(selector).first();
      if (await element.isVisible()) {
        console.log(`✅ Company selector found: ${selector}`);
        companySelectorFound = true;
        
        // Try to interact with it
        await element.click();
        await page.waitForTimeout(500);
        
        // Look for dropdown options
        const options = page.locator('.p-dropdown-item, option');
        const optionCount = await options.count();
        console.log(`📊 Company options available: ${optionCount}`);
        
        if (optionCount > 0) {
          // Select first company
          await options.first().click();
          console.log('✅ Company selected');
          
          // Wait for data to load after company selection
          await page.waitForTimeout(3000);
          
          // Check for additional API calls after company selection
          const invoicesRequests = networkRequests.filter(req => 
            req.url.includes('/invoices')
          );
          const paymentsRequests = networkRequests.filter(req => 
            req.url.includes('/payments')
          );
          
          console.log(`📊 Invoices API requests: ${invoicesRequests.length}`);
          console.log(`📊 Payments API requests: ${paymentsRequests.length}`);
        }
        break;
      }
    }
    
    if (!companySelectorFound) {
      console.log('⚠️  Company selector not found - taking screenshot for analysis');
      await page.screenshot({ path: 'dashboard-no-company-selector.png', fullPage: true });
    }
    
    // Phase 3: Test Navigation to Reports
    console.log('\n📍 Phase 3: Navigation to Reports');
    
    // Look for navigation links
    const navLinks = [
      'text=/facturi/i',
      'text=/invoices/i',
      'text=/încasări/i',
      'text=/payments/i',
      '[href*="/invoices"]',
      '[href*="/payments"]'
    ];
    
    for (const linkSelector of navLinks) {
      const link = page.locator(linkSelector).first();
      if (await link.isVisible()) {
        const linkText = await link.textContent();
        console.log(`✅ Found navigation link: "${linkText}"`);
        
        // Click the link
        await link.click();
        await page.waitForTimeout(2000);
        
        // Check if we navigated to the correct page
        const currentUrl = page.url();
        console.log(`📍 Navigated to: ${currentUrl}`);
        
        // Wait for page content to load
        await page.waitForTimeout(2000);
        
        // Take screenshot of the reports page
        await page.screenshot({ 
          path: `reports-${linkText.toLowerCase().replace(/[^a-z0-9]/g, '-')}.png`,
          fullPage: true 
        });
        
        // Look for data tables or report content
        const dataElements = [
          'table',
          '.p-datatable',
          '.data-table',
          '.report-table',
          '.invoice-list',
          '.payment-list'
        ];
        
        let dataFound = false;
        for (const selector of dataElements) {
          const element = page.locator(selector);
          if (await element.isVisible()) {
            const rowCount = await element.locator('tr, .row').count();
            console.log(`✅ Data table found with ${rowCount} rows`);
            dataFound = true;
            break;
          }
        }
        
        if (!dataFound) {
          console.log('⚠️  No data tables found - checking for loading states or errors');
          
          // Check for loading indicators
          const loadingElements = [
            '.loading',
            '.p-progress-spinner',
            '.spinner',
            '[data-testid="loading"]'
          ];
          
          for (const loadingSelector of loadingElements) {
            if (await page.locator(loadingSelector).isVisible()) {
              console.log('⏳ Loading indicator found - data may still be loading');
              await page.waitForTimeout(5000); // Wait longer for data
              break;
            }
          }
        }
        
        // Go back to dashboard for next test
        await page.goto('/dashboard');
        await page.waitForTimeout(1000);
        break;
      }
    }
    
    // Take final dashboard screenshot
    await page.screenshot({ path: 'final-dashboard-state.png', fullPage: true });
  });

  test('🔍 API Endpoints Health Check', async ({ page }) => {
    console.log('\n🔍 === API ENDPOINTS HEALTH CHECK ===');
    
    // First authenticate to get access token
    await loginPage.navigate();
    await page.fill('#username', 'MARIUS M');
    await page.fill('#password input', 'PAROLA9911');
    
    const [authResponse] = await Promise.all([
      page.waitForResponse('**/auth/login'),
      page.click('button[type="submit"]')
    ]);
    
    expect(authResponse.status()).toBe(200);
    await page.waitForURL(/.*dashboard/);
    
    // Test individual API endpoints
    const endpoints = [
      '/api/companies',
      '/api/invoices',
      '/api/payments'
    ];
    
    for (const endpoint of endpoints) {
      console.log(`\n--- Testing endpoint: ${endpoint} ---`);
      
      // Navigate to trigger API call
      if (endpoint.includes('invoices')) {
        await page.goto('/invoices');
      } else if (endpoint.includes('payments')) {
        await page.goto('/payments');
      } else {
        await page.goto('/dashboard');
      }
      
      await page.waitForTimeout(2000);
      
      // Check if API was called
      const apiCalls = networkRequests.filter(req => req.url.includes(endpoint));
      
      if (apiCalls.length > 0) {
        console.log(`✅ ${endpoint} was called (${apiCalls.length} requests)`);
        
        // Check for errors
        const errors = apiErrors.filter(err => err.url.includes(endpoint));
        if (errors.length > 0) {
          console.log(`❌ Errors found for ${endpoint}:`);
          errors.forEach(err => {
            console.log(`  - ${err.status} ${err.statusText}`);
          });
        } else {
          console.log(`✅ ${endpoint} returned successful responses`);
        }
      } else {
        console.log(`⚠️  ${endpoint} was not called`);
      }
    }
  });

  test.afterEach(async () => {
    // Generate test report
    console.log('\n📋 === TEST REPORT ===');
    console.log(`🌐 Total Network Requests: ${networkRequests.length}`);
    console.log(`❌ API Errors: ${apiErrors.length}`);
    
    if (apiErrors.length > 0) {
      console.log('\n❌ API Errors Details:');
      apiErrors.forEach(error => {
        console.log(`  - ${error.status} ${error.url} (${error.statusText})`);
      });
    }
    
    // Check for specific CORS errors
    const corsErrors = apiErrors.filter(err => 
      err.statusText.includes('CORS') || err.status === 0
    );
    
    if (corsErrors.length > 0) {
      console.log('\n🚨 CORS Issues Detected:');
      corsErrors.forEach(error => {
        console.log(`  - ${error.url}`);
      });
      console.log('\n💡 Recommendation: Check CORS configuration in backend');
    } else {
      console.log('\n✅ No CORS issues detected');
    }
  });
});