slideshare/scripts/generate-themes-manifest.js

import fs from 'fs';
import path from 'path';
import { fileURLToPath } from 'url';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

const PUBLIC_THEMES_DIR = path.join(__dirname, '..', 'public', 'themes');
const MANIFEST_OUTPUT = path.join(__dirname, '..', 'public', 'themes-manifest.json');

/**
 * Generates a manifest of all available themes and their layouts
 */
async function generateThemesManifest() {
  const manifest = {
    themes: {},
    generated: new Date().toISOString()
  };

  try {
    // Check if themes directory exists
    if (!fs.existsSync(PUBLIC_THEMES_DIR)) {
      console.warn('Themes directory not found:', PUBLIC_THEMES_DIR);
      return;
    }

    // Read all theme directories
    const themeDirectories = fs.readdirSync(PUBLIC_THEMES_DIR, { withFileTypes: true })
      .filter(dirent => dirent.isDirectory())
      .map(dirent => dirent.name);

    for (const themeId of themeDirectories) {
      const themePath = path.join(PUBLIC_THEMES_DIR, themeId);
      const layoutsPath = path.join(themePath, 'layouts');
      
      // Check for required files
      const styleFile = path.join(themePath, 'style.css');
      if (!fs.existsSync(styleFile)) {
        console.warn(`Theme ${themeId} missing style.css, skipping`);
        continue;
      }

      const themeInfo = {
        id: themeId,
        cssFile: 'style.css',
        layouts: [],
        hasMasterSlide: fs.existsSync(path.join(themePath, 'master-slide.html'))
      };

      // Discover layouts
      if (fs.existsSync(layoutsPath)) {
        const layoutFiles = fs.readdirSync(layoutsPath)
          .filter(file => file.endsWith('.html'))
          .map(file => path.basename(file, '.html'));
        
        themeInfo.layouts = layoutFiles;
      }

      manifest.themes[themeId] = themeInfo;
      console.log(`✓ Found theme: ${themeId} with ${themeInfo.layouts.length} layouts`);
    }

    // Write manifest file
    fs.writeFileSync(MANIFEST_OUTPUT, JSON.stringify(manifest, null, 2));
    console.log(`✓ Generated themes manifest: ${MANIFEST_OUTPUT}`);
    console.log(`✓ Found ${Object.keys(manifest.themes).length} themes total`);

  } catch (error) {
    console.error('Error generating themes manifest:', error);
    process.exit(1);
  }
}

generateThemesManifest();