import * as plugins from '../plugins.js';

/**
 * TypedRequest handler for type-safe RPC endpoint
 */
export class TypedRequestHandler {
  private typedRouter: plugins.typedrequest.TypedRouter;

  constructor(typedRouter: plugins.typedrequest.TypedRouter) {
    this.typedRouter = typedRouter;
  }

  /**
   * Handle a request - returns Response if handled, null otherwise
   */
  public async handle(request: Request): Promise<Response | null> {
    const url = new URL(request.url);
    const path = url.pathname;

    if (path === '/typedrequest' && request.method === 'POST') {
      try {
        const body = await request.json();
        const response = await this.typedRouter.routeAndAddResponse(body);

        return new Response(plugins.smartjson.stringify(response), {
          status: 200,
          headers: {
            'Content-Type': 'application/json',
          },
        });
      } catch (error) {
        return new Response(JSON.stringify({ error: 'Invalid request' }), {
          status: 400,
          headers: {
            'Content-Type': 'application/json',
          },
        });
      }
    }

    return null;
  }
}