/**
 * Simple accessibility validation script for asset management components
 * This script checks for common accessibility patterns in our components
 */

import fs from 'fs';
import path from 'path';

interface AccessibilityCheck {
  name: string;
  pattern: RegExp;
  description: string;
  required: boolean;
}

const accessibilityChecks: AccessibilityCheck[] = [
  {
    name: 'ARIA Labels',
    pattern: /aria-label(ledby)?=/g,
    description: 'Components should have proper ARIA labels',
    required: true
  },
  {
    name: 'Screen Reader Text',
    pattern: /sr-only|screen-reader/g,
    description: 'Important information should be available to screen readers',
    required: true
  },
  {
    name: 'Keyboard Navigation',
    pattern: /onKeyDown|tabIndex|role="button"/g,
    description: 'Interactive elements should support keyboard navigation',
    required: true
  },
  {
    name: 'Live Regions',
    pattern: /aria-live|aria-atomic/g,
    description: 'Dynamic content should announce changes to screen readers',
    required: true
  },
  {
    name: 'Focus Management',
    pattern: /focus\(\)|useRef.*focus|Focus/g,
    description: 'Components should manage focus appropriately',
    required: false
  },
  {
    name: 'Semantic HTML',
    pattern: /role="(navigation|dialog|button|searchbox|tablist|tab|tabpanel)"/g,
    description: 'Components should use semantic HTML and ARIA roles',
    required: true
  }
];

const responsiveChecks: AccessibilityCheck[] = [
  {
    name: 'Mobile Breakpoints',
    pattern: /(sm:|md:|lg:|xl:)/g,
    description: 'Components should use responsive breakpoints',
    required: true
  },
  {
    name: 'Flexible Layouts',
    pattern: /(flex|grid|w-full|min-w-0)/g,
    description: 'Components should use flexible layout patterns',
    required: true
  },
  {
    name: 'Touch Targets',
    pattern: /(h-8|w-8|h-10|w-10|h-12|w-12|min-h-|min-w-)/g,
    description: 'Interactive elements should have adequate touch target sizes',
    required: true
  },
  {
    name: 'Text Wrapping',
    pattern: /(break-words|truncate|text-wrap)/g,
    description: 'Text should wrap appropriately on small screens',
    required: false
  }
];

function analyzeFile(filePath: string): { accessibility: number; responsive: number; issues: string[] } {
  const content = fs.readFileSync(filePath, 'utf-8');
  const issues: string[] = [];
  let accessibilityScore = 0;
  let responsiveScore = 0;

  console.log(`\n📁 Analyzing: ${path.relative(process.cwd(), filePath)}`);

  // Check accessibility patterns
  console.log('\n🔍 Accessibility Checks:');
  accessibilityChecks.forEach(check => {
    const matches = content.match(check.pattern);
    const count = matches ? matches.length : 0;
    
    if (count > 0) {
      console.log(`  ✅ ${check.name}: ${count} instances found`);
      accessibilityScore += check.required ? 2 : 1;
    } else {
      const severity = check.required ? '❌' : '⚠️';
      console.log(`  ${severity} ${check.name}: Not found`);
      if (check.required) {
        issues.push(`Missing ${check.name}: ${check.description}`);
      }
    }
  });

  // Check responsive patterns
  console.log('\n📱 Responsive Design Checks:');
  responsiveChecks.forEach(check => {
    const matches = content.match(check.pattern);
    const count = matches ? matches.length : 0;
    
    if (count > 0) {
      console.log(`  ✅ ${check.name}: ${count} instances found`);
      responsiveScore += check.required ? 2 : 1;
    } else {
      const severity = check.required ? '❌' : '⚠️';
      console.log(`  ${severity} ${check.name}: Not found`);
      if (check.required) {
        issues.push(`Missing ${check.name}: ${check.description}`);
      }
    }
  });

  return { accessibility: accessibilityScore, responsive: responsiveScore, issues };
}

function validateAccessibility() {
  console.log('🚀 Asset Management Accessibility Validation\n');
  console.log('=' .repeat(60));

  const componentDir = path.join(process.cwd(), 'src/components/asset-management');
  const files = [
    'AssetList.tsx',
    'AssetForm.tsx', 
    'AssetDetail.tsx',
    'shared/ConfirmDialog.tsx',
    'shared/Pagination.tsx'
  ];

  let totalAccessibilityScore = 0;
  let totalResponsiveScore = 0;
  let totalIssues: string[] = [];
  let filesAnalyzed = 0;

  files.forEach(file => {
    const filePath = path.join(componentDir, file);
    
    if (fs.existsSync(filePath)) {
      const result = analyzeFile(filePath);
      totalAccessibilityScore += result.accessibility;
      totalResponsiveScore += result.responsive;
      totalIssues.push(...result.issues);
      filesAnalyzed++;
    } else {
      console.log(`⚠️  File not found: ${file}`);
    }
  });

  // Calculate scores
  const maxAccessibilityScore = filesAnalyzed * accessibilityChecks.filter(c => c.required).length * 2;
  const maxResponsiveScore = filesAnalyzed * responsiveChecks.filter(c => c.required).length * 2;
  
  const accessibilityPercentage = Math.round((totalAccessibilityScore / maxAccessibilityScore) * 100);
  const responsivePercentage = Math.round((totalResponsiveScore / maxResponsiveScore) * 100);

  // Print summary
  console.log('\n' + '=' .repeat(60));
  console.log('📊 SUMMARY REPORT');
  console.log('=' .repeat(60));
  
  console.log(`\n📈 Accessibility Score: ${accessibilityPercentage}% (${totalAccessibilityScore}/${maxAccessibilityScore})`);
  console.log(`📱 Responsive Score: ${responsivePercentage}% (${totalResponsiveScore}/${maxResponsiveScore})`);
  console.log(`📁 Files Analyzed: ${filesAnalyzed}`);
  console.log(`⚠️  Total Issues: ${totalIssues.length}`);

  if (totalIssues.length > 0) {
    console.log('\n🔧 Issues to Address:');
    totalIssues.forEach((issue, index) => {
      console.log(`  ${index + 1}. ${issue}`);
    });
  }

  // Grade the implementation
  const overallScore = (accessibilityPercentage + responsivePercentage) / 2;
  let grade = 'F';
  let emoji = '❌';
  
  if (overallScore >= 90) {
    grade = 'A';
    emoji = '🎉';
  } else if (overallScore >= 80) {
    grade = 'B';
    emoji = '✅';
  } else if (overallScore >= 70) {
    grade = 'C';
    emoji = '⚠️';
  } else if (overallScore >= 60) {
    grade = 'D';
    emoji = '🔶';
  }

  console.log(`\n${emoji} Overall Grade: ${grade} (${Math.round(overallScore)}%)`);
  
  if (overallScore >= 80) {
    console.log('\n🎊 Great job! Your components have excellent accessibility and responsive design.');
  } else if (overallScore >= 60) {
    console.log('\n👍 Good progress! Consider addressing the issues above to improve accessibility.');
  } else {
    console.log('\n🔧 More work needed. Focus on the required accessibility patterns.');
  }

  console.log('\n' + '=' .repeat(60));
}

// Run the validation
validateAccessibility();