import { createTRPCProxyClient, httpBatchLink } from '@trpc/client'
import { fetchRequestHandler } from '@trpc/server/adapters/fetch'
import { trpcRouter, type TrpcRouter } from '~/server/routers/_app'

// This simulates the server without HTTP
function serverHandler(path: string, req: Request) {
  return fetchRequestHandler({
    endpoint: '/api/trpc',
    router: trpcRouter,
    req,
    createContext: () => ({}),
  })
}

export function createTestTrpcClient() {
  return createTRPCProxyClient<TrpcRouter>({
    links: [
      httpBatchLink({
        url: 'http://localhost/api/trpc',
        fetch: (input, init) => {
          return serverHandler(input as string, new Request(input as string, init))
        },
      }),
    ],
  })
}