const fs = require('fs');
const path = require('path');

const COMPONENTS_DIR = path.join(__dirname, 'src/components');
const APP_DIR = path.join(__dirname, 'src/app');

function getComponentType(filePath) {
  try {
    const content = fs.readFileSync(filePath, 'utf-8').trim();

    // Only check the first 2 lines for 'use client'
    const firstLines = content.split('\n').slice(0, 2).join('\n');

    if (firstLines.startsWith("'use client'") || firstLines.startsWith('"use client"')) {
      return 'Client Component';
    }

    return 'Server Component';
  } catch (error) {
    console.error(`Error reading file: ${filePath}`, error);
    return 'Unknown';
  }
}

function getRenderingStrategy(filePath, componentType) {
  if (filePath.includes('/app/')) {
    if (filePath.includes('/api/')) return 'Server Only (API Route)';
    if (filePath.endsWith('layout.tsx')) return 'Server Only (Layout)';
    if (filePath.endsWith('page.tsx')) return componentType === 'Client Component'
      ? 'Client-Side Page'
      : 'Server Only (Page)';
    return 'Server Component (Default)';
  }

  if (filePath.includes('/components/')) {
    return 'Client-Side or Shared';
  }

  return 'Unknown';
}

function scanDirectory(directory) {
  let results = [];

  function scan(dir) {
    const files = fs.readdirSync(dir);
    for (const file of files) {
      const fullPath = path.join(dir, file);
      const stat = fs.statSync(fullPath);

      if (stat.isDirectory()) {
        scan(fullPath);
      } else if (file.endsWith('.tsx')) {
        const componentType = getComponentType(fullPath);
        const renderingStrategy = getRenderingStrategy(fullPath, componentType);

        results.push({
          file: fullPath.replace(__dirname, ''), // Make paths relative
          type: componentType,
          rendering: renderingStrategy,
        });
      }
    }
  }

  scan(directory);
  return results;
}

// Scan app and components directories
const componentsAnalysis = [
  ...scanDirectory(COMPONENTS_DIR),
  ...scanDirectory(APP_DIR),
];

// Display results
console.table(componentsAnalysis);