import * as trpc from "@trpc/server";
import { inferAsyncReturnType } from "@trpc/server";
import * as trpcExpress from "@trpc/server/adapters/express";
import { z } from "zod";

export const createContext = ({
  req,
  res,
}: trpcExpress.CreateExpressContextOptions) => ({}); // no context
export type Context = inferAsyncReturnType<typeof createContext>;

export const createTRPCRouter = () => {
  return trpc.router<Context>();
};

export const appRouter = createTRPCRouter()
  .query("getUser", {
    // input: z.string(),
    async resolve(req) {
      req.input; // string
      return { id: req.input, name: "Bilbo" };
    },
  })
  .mutation("createUser", {
    // validate input with Zod
    input: z.object({ name: z.string().min(5) }),
    async resolve(req) {
      return { id: req.input, name: "Bilbo" };
    },
  });

export type AppRouter = typeof appRouter;