// For copying pages and assets

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

const ROOT = path.join(__dirname, '..');
const SRC  = path.join(ROOT, 'source');
const DEST = path.join(ROOT, 'build', 'app');

// Server-side dirs or dirs with their own build step — skip
const SKIP = new Set(['server', 'locale-data', 'locales', 'library-ts', 'pages']);

function copyStatic(src, dest) {
  fs.mkdirSync(dest, { recursive: true });
  for (const entry of fs.readdirSync(src, { withFileTypes: true })) {
    const srcPath  = path.join(src, entry.name);
    const destPath = path.join(dest, entry.name);
    if (entry.isDirectory()) {
      copyStatic(srcPath, destPath);
    } else if (!entry.name.endsWith('.ts')) {
      fs.copyFileSync(srcPath, destPath);
    }
  }
}

// Copy HTML pages
const pagesDir = path.join(SRC, 'pages');
fs.mkdirSync(DEST, { recursive: true });
for (const file of fs.readdirSync(pagesDir)) {
  if (file.endsWith('.html')) {
    fs.copyFileSync(path.join(pagesDir, file), path.join(DEST, file));
  }
}

// Copy all non-TS static assets (CSS, SVG, etc.) from frontend source dirs
for (const entry of fs.readdirSync(SRC, { withFileTypes: true })) {
  if (entry.isDirectory() && !SKIP.has(entry.name)) {
    copyStatic(path.join(SRC, entry.name), path.join(DEST, entry.name));
  }
}