frontend/lib/graphql.ts

import type { Eatery } from "./types";

export async function gqlFetch<T = Record<string, unknown>>(
  query: string,
  variables?: Record<string, unknown>,
): Promise<T> {
  const res = await fetch("/api/eatery/graphql", {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    credentials: "include",
    body: JSON.stringify({ query, variables }),
  });

  if (!res.ok) throw new Error(`GraphQL request failed: ${res.status}`);
  return res.json() as Promise<T>;
}

export async function addManagerMenuItem(
  name: string,
  price: number,
): Promise<{ id: string; name: string; price: number } | null> {
  const data = await gqlFetch<{
    addMenuItem: { id: string; name: string; price: number } | null;
  }>(
    `mutation($name: String!, $price: Float!) {
      addMenuItem(name: $name, price: $price) { id name price }
    }`,
    { name, price },
  );
  return data.addMenuItem;
}

export async function fetchManagerEatery(): Promise<Eatery | null> {
  const data = await gqlFetch<{ eateriesByOwner: Eatery | null }>(`
    query {
      eateriesByOwner {
        id
        ownerId
        name
        isVerified
      }
    }
  `);
  return data.eateriesByOwner;
}