import type {NextFixture} from 'next/dist/experimental/testmode/playwright';

export default function mockFetch(
  next: NextFixture,
  handlers: {method: string; route: RegExp; response: {data: any; options?: any}}[]
) {
  next.onFetch((request: Request) => {
    for (let i = 0; i < handlers.length; i++) {
      if (
        request.method === handlers[i].method &&
        request.url.match(handlers[i].route)
      ) {
        return new Response(JSON.stringify(handlers[i].response.data), {
          headers: {
            'Content-Type': 'application/json',
          },
          ...(handlers[i].response.options ?? {}),
        });
      }
    }
    // EXCLUDED_URLS contains a regex of paths I would allow through such as Google Analytics or logging services 
    if (request.url.match(EXCLUDED_URLS)) {
      return 'continue';
    }
    console.log(`No handler for ${request.method} ${request.url.split('?')[0]}`);
    return 'abort';
  });
}