import { describe, expect, test } from "bun:test";
import { mkdirSync, mkdtempSync, writeFileSync } from "node:fs";
import { join } from "node:path";
import { buildRouter } from "../src/index.ts";

const root = join(import.meta.dir, ".tmp-services");
mkdirSync(root, { recursive: true });

describe("service discovery", () => {
  test("discovers source services and skips generated files", () => {
    const base = mkdtempSync(join(root, "app-"));
    const services = join(base, "app", "services");
    mkdirSync(services, { recursive: true });
    mkdirSync(join(base, "app", "pages"), { recursive: true });
    writeFileSync(join(services, "billing.ts"), "export default {};");
    writeFileSync(join(services, "types.gen.ts"), "export type T = string;");
    expect(buildRouter(join(base, "app")).services.map((service) => service.name)).toEqual([
      "billing",
    ]);
  });
});