import { createMDX } from 'fumadocs-mdx/next';
import path from 'node:path';
import { fileURLToPath } from 'node:url';

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

const withMDX = createMDX();

const config = {
  reactStrictMode: true,
};

const nextConfig = withMDX(config);

const mdxLoaderPath = path.resolve(__dirname, 'loaders/fumadocs-mdx-loader.cjs');
const metaLoaderPath = path.resolve(__dirname, 'loaders/fumadocs-meta-loader.cjs');

if (nextConfig.turbopack?.rules) {
  for (const rule of Object.values(nextConfig.turbopack.rules)) {
    if (rule.loaders) {
      for (const l of rule.loaders) {
        if (l.loader === 'fumadocs-mdx/webpack/mdx') l.loader = mdxLoaderPath;
        if (l.loader === 'fumadocs-mdx/webpack/meta') l.loader = metaLoaderPath;
      }
    }
  }
}

const origWebpack = nextConfig.webpack;
nextConfig.webpack = (config, options) => {
  config.resolveLoader ??= {};
  config.resolveLoader.alias ??= {};
  config.resolveLoader.alias['fumadocs-mdx/webpack/mdx'] = mdxLoaderPath;
  config.resolveLoader.alias['fumadocs-mdx/webpack/meta'] = metaLoaderPath;
  return origWebpack?.(config, options) ?? config;
};

export default nextConfig;