import { defineEndpoint } from "@wrnexus/core";
import { SearchDirectorySchema } from "../schemas/search-directory.ts";

interface DirectoryUser {
  name: string;
  designation: string;
}

const ALL: DirectoryUser[] = [
  { name: "Ajay", designation: "UI" },
  { name: "Asha", designation: "Backend" },
  { name: "Chen", designation: "UI" },
];

/**
 * Schema-typed handler: input resolves to `{ name?: string }` from
 * SearchDirectorySchema, so the block's request shape is checked for real
 * (not against `unknown`, which the untyped-handler shape resolved to).
 */
export const POST = defineEndpoint<{ name?: string }, { users: DirectoryUser[] }>({
  input: SearchDirectorySchema,
  description: "Case-insensitive substring search over the demo directory by name.",
  handler(input) {
    const needle = String(input.name ?? "").toLowerCase();
    return { users: ALL.filter((user) => user.name.toLowerCase().includes(needle)) };
  },
});