import { BuildConfiguration, BuildContext } from '@aziontech/config';
import { readFileSync, writeFileSync } from 'fs';
import { resolve } from 'path';
// eslint-disable-next-line @typescript-eslint/no-unused-vars
async function postbuild(config: BuildConfiguration, ctx: BuildContext) {
  // based on: https://github.com/cloudflare/next-on-pages/blob/main/packages/next-on-pages/src/buildApplication/processVercelFunctions/dedupeEdgeFunctions.ts#L462
  // TODO: This hack is not good. We should replace this with something less brittle ASAP
  // https://github.com/vercel/next.js/blob/2e7dfca362931be99e34eccec36074ab4a46ffba/packages/next/src/server/web/adapter.ts#L276-L282
  const pattern =
    /Object\.defineProperty\(\s*globalThis\s*,\s*"__import_unsupported"[\s\S]*?,\s*configurable\s*:\s*[^}]*\}\)/gm;
  const replacement = 'true';

  const entryFiles = config.entry as Record<string, string>;

  for (const filePath of Object.keys(entryFiles)) {
    try {
      const filePathWithExt = filePath.endsWith('.js') ? filePath : `${filePath}.js`;
      const absolutePath = resolve(filePathWithExt);

      const sourceCode = readFileSync(absolutePath, 'utf-8');
      const modifiedCode = sourceCode.replace(pattern, replacement);
      writeFileSync(absolutePath, modifiedCode);
    } catch (error) {
      throw new Error(`Failed to process file ${filePath}: ${error}`);
    }
  }
}

export default postbuild;