#!/usr/bin/env ts-node
/**
 * Verification script for Excel integration
 * Tests that Excel data is correctly parsed and integrated into products
 */

// Import from the compiled lib directory
import { getExcelTechnicalDataForProduct, getExcelRowsForProduct } from '../lib/excel-products';
import { getAllProducts, enrichProductWithExcelData } from '../lib/data';

interface TestResult {
  name: string;
  passed: boolean;
  message: string;
  details?: any;
}

const results: TestResult[] = [];

function addResult(name: string, passed: boolean, message: string, details?: any): void {
  results.push({ name, passed, message, details });
  console.log(`${passed ? '✓' : '✗'} ${name}: ${message}`);
}

async function runTests(): Promise<void> {
  console.log('🔍 Starting Excel Integration Verification...\n');

  // Test 1: Check if Excel files exist and can be parsed
  console.log('Test 1: Excel File Parsing');
  try {
    const testProduct = {
      name: 'NA2XS(FL)2Y',
      slug: 'na2xsfl2y-3',
      sku: 'NA2XS(FL)2Y-high-voltage-cables',
      translationKey: 'na2xsfl2y-3'
    };

    const excelData = getExcelTechnicalDataForProduct(testProduct);
    
    if (excelData && excelData.configurations.length > 0) {
      addResult(
        'Excel File Parsing',
        true,
        `Successfully parsed Excel data with ${excelData.configurations.length} configurations`,
        { configurations: excelData.configurations.slice(0, 3) }
      );
    } else {
      addResult(
        'Excel File Parsing',
        false,
        'No Excel data found for test product',
        { product: testProduct }
      );
    }
  } catch (error) {
    addResult('Excel File Parsing', false, `Error: ${error}`);
  }

  // Test 2: Check Excel data structure
  console.log('\nTest 2: Excel Data Structure');
  try {
    const testProduct = {
      name: 'NA2XS(FL)2Y',
      slug: 'na2xsfl2y-3',
      sku: 'NA2XS(FL)2Y-high-voltage-cables',
      translationKey: 'na2xsfl2y-3'
    };

    const excelData = getExcelTechnicalDataForProduct(testProduct);
    
    if (excelData) {
      const hasConfigurations = Array.isArray(excelData.configurations) && excelData.configurations.length > 0;
      const hasAttributes = Array.isArray(excelData.attributes);
      
      addResult(
        'Excel Data Structure',
        hasConfigurations && hasAttributes,
        `Configurations: ${hasConfigurations ? '✓' : '✗'}, Attributes: ${hasAttributes ? '✓' : '✗'}`,
        { 
          configCount: excelData.configurations.length,
          attrCount: excelData.attributes.length,
          sampleAttributes: excelData.attributes.slice(0, 2)
        }
      );
    } else {
      addResult('Excel Data Structure', false, 'No Excel data returned');
    }
  } catch (error) {
    addResult('Excel Data Structure', false, `Error: ${error}`);
  }

  // Test 3: Check product enrichment
  console.log('\nTest 3: Product Enrichment');
  try {
    const products = getAllProducts();
    const testProduct = products.find(p => p.slug === 'na2xsfl2y-3');
    
    if (!testProduct) {
      addResult('Product Enrichment', false, 'Test product not found in data');
    } else {
      const enriched = enrichProductWithExcelData(testProduct);
      
      const hasExcelConfig = enriched.excelConfigurations && enriched.excelConfigurations.length > 0;
      const hasExcelAttrs = enriched.excelAttributes && enriched.excelAttributes.length > 0;
      
      addResult(
        'Product Enrichment',
        hasExcelConfig && hasExcelAttrs,
        `Enrichment successful: ${hasExcelConfig && hasExcelAttrs ? '✓' : '✗'}`,
        {
          originalAttributes: testProduct.attributes.length,
          excelConfigurations: enriched.excelConfigurations?.length || 0,
          excelAttributes: enriched.excelAttributes?.length || 0
        }
      );
    }
  } catch (error) {
    addResult('Product Enrichment', false, `Error: ${error}`);
  }

  // Test 4: Check multiple products
  console.log('\nTest 4: Multiple Product Support');
  try {
    const products = getAllProducts();
    const sampleProducts = products.slice(0, 3);
    
    let successCount = 0;
    const details: any[] = [];
    
    for (const product of sampleProducts) {
      const enriched = enrichProductWithExcelData(product);
      const hasExcelData = enriched.excelConfigurations || enriched.excelAttributes;
      
      if (hasExcelData) {
        successCount++;
        details.push({
          name: product.name,
          slug: product.slug,
          configs: enriched.excelConfigurations?.length || 0,
          attrs: enriched.excelAttributes?.length || 0
        });
      }
    }
    
    addResult(
      'Multiple Product Support',
      successCount > 0,
      `Enriched ${successCount} out of ${sampleProducts.length} products`,
      { details }
    );
  } catch (error) {
    addResult('Multiple Product Support', false, `Error: ${error}`);
  }

  // Test 5: Check raw Excel rows
  console.log('\nTest 5: Raw Excel Data Access');
  try {
    const testProduct = {
      name: 'NA2XS(FL)2Y',
      slug: 'na2xsfl2y-3',
      sku: 'NA2XS(FL)2Y-high-voltage-cables',
      translationKey: 'na2xsfl2y-3'
    };

    const rows = getExcelRowsForProduct(testProduct);
    
    addResult(
      'Raw Excel Data Access',
      rows.length > 0,
      `Found ${rows.length} raw rows for test product`,
      { 
        sampleRow: rows[0] ? Object.keys(rows[0]).slice(0, 5) : 'No rows'
      }
    );
  } catch (error) {
    addResult('Raw Excel Data Access', false, `Error: ${error}`);
  }

  // Summary
  console.log('\n📊 Test Summary:');
  console.log('='.repeat(50));
  
  const passed = results.filter(r => r.passed).length;
  const total = results.length;
  
  console.log(`Passed: ${passed}/${total}`);
  console.log(`Failed: ${total - passed}/${total}`);
  
  if (passed === total) {
    console.log('\n🎉 All tests passed! Excel integration is working correctly.');
  } else {
    console.log('\n⚠️  Some tests failed. Please review the details above.');
    console.log('\nFailed tests:');
    results.filter(r => !r.passed).forEach(r => {
      console.log(`  - ${r.name}: ${r.message}`);
      if (r.details) console.log(`    Details:`, r.details);
    });
  }
  
  // Exit with appropriate code
  process.exit(passed === total ? 0 : 1);
}

// Run tests
runTests().catch(error => {
  console.error('Fatal error:', error);
  process.exit(1);
});