#!/usr/bin/env node
// Copies the dropflow wasm bundle and the Inter TTFs into apps/web/public
// so the browser can fetch them. Run with `pnpm prepare:web-assets`.
//
// Uses require.resolve so the dropflow lookup works across npm/pnpm/yarn
// without hardcoding node_modules/.pnpm paths.

import { mkdir, copyFile } from 'node:fs/promises';
import path from 'node:path';
import { fileURLToPath } from 'node:url';
import { createRequire } from 'node:module';

const __dirname = path.dirname(fileURLToPath(import.meta.url));
const repoRoot = path.resolve(__dirname, '..');
// dropflow is a dep of @banner-studio/layout-engine, not the root package, so
// resolve relative to that package's location.
const require = createRequire(
  path.join(repoRoot, 'packages', 'layout-engine', 'package.json')
);

const publicDir = path.join(repoRoot, 'apps', 'web', 'public');
const fontsDir = path.join(publicDir, 'fonts');

async function main() {
  await mkdir(publicDir, { recursive: true });
  await mkdir(fontsDir, { recursive: true });

  // dropflow wasm: resolve via an exported subpath, then walk to dropflow.wasm
  // (which is also in `exports` as ./dropflow.wasm — resolve it directly).
  const wasmSrc = require.resolve('dropflow/dropflow.wasm');
  const wasmDst = path.join(publicDir, 'dropflow.wasm');
  await copyFile(wasmSrc, wasmDst);
  console.log(`copied dropflow.wasm -> ${path.relative(repoRoot, wasmDst)}`);

  // Inter TTFs from infra/fonts.
  for (const file of ['Inter-Regular.ttf', 'Inter-Bold.ttf']) {
    const src = path.join(repoRoot, 'infra', 'fonts', file);
    const dst = path.join(fontsDir, file);
    await copyFile(src, dst);
    console.log(`copied ${file} -> ${path.relative(repoRoot, dst)}`);
  }
}

main().catch((err) => {
  console.error(err);
  process.exit(1);
});