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

const baseDir = path.join(process.cwd(), 'components');
const subDirs = ['ui', 'blocks', 'assistant', 'layout', 'brand'];

subDirs.forEach(sub => {
  const dir = path.join(baseDir, sub);
  if (!fs.existsSync(dir)) return;

  const items = fs.readdirSync(dir);
  const kebabMap = new Map<string, string[]>();

  items.forEach(item => {
    const kebab = item
      .toLowerCase()
      .replace(/([a-z])([A-Z])/g, '$1-$2')
      .toLowerCase();
    // Simple tolower usually covers most cases here since I used kebab-case for folders
    const simpleKebab = item.toLowerCase();

    if (!kebabMap.has(simpleKebab)) kebabMap.set(simpleKebab, []);
    kebabMap.get(simpleKebab)!.push(item);
  });

  kebabMap.forEach((originals, kebab) => {
    if (originals.length > 1) {
      console.log(`Potential duplication in ${sub}: ${originals.join(', ')}`);
      // Usually there's one kebab-case and one PascalCase
      const kebabCase = originals.find(o => o === kebab) || originals[0];
      const others = originals.filter(o => o !== kebabCase);

      others.forEach(other => {
        const otherPath = path.join(dir, other);
        const kebabPath = path.join(dir, kebabCase);

        if (fs.statSync(otherPath).isDirectory()) {
          console.log(`Merging ${otherPath} into ${kebabPath}...`);
          const files = fs.readdirSync(otherPath);
          files.forEach(file => {
            const oldFile = path.join(otherPath, file);
            const newFile = path.join(kebabPath, file);
            if (!fs.existsSync(newFile)) {
              fs.renameSync(oldFile, newFile);
            } else {
              // If index.ts exists in both, maybe merge or skip?
              // Usually index.ts in the PascalCase folder was older.
              console.log(`File ${file} already exists in ${kebabCase}, skipping.`);
            }
          });
          // Try to remove the empty folder
          try {
            fs.rmdirSync(otherPath);
          } catch (e) {
            console.log(`Could not remove ${otherPath}, might not be empty.`);
          }
        }
      });
    }
  });
});
console.log('Cleanup complete.');