import { describe, it, expect } from "vitest";
import { spawnSync } from "node:child_process";
import { dirname, resolve } from "node:path";
import { fileURLToPath } from "node:url";

const here = dirname(fileURLToPath(import.meta.url));
const scriptPath = resolve(here, "generate-spec.ts");

/**
 * Smoke test: the script exits 0 in write mode, then `--check` mode confirms
 * the file is in sync. We do not exercise the network or invoke the heavy
 * Hono import here — these tests run alongside vitest's default include.
 *
 * This file deliberately lives under scripts/ so the package's vitest config
 * (which only globs src/**) skips it during regular `pnpm test`. It is kept
 * here as documentation + smoke for manual / CI invocation:
 *
 *   pnpm exec vitest run packages/api-client-ts/scripts/generate-spec.test.ts
 */
describe("generate-spec script", () => {
  it("compiles via tsx --check without throwing", () => {
    // Just verify the script is importable / syntactically valid by running --help-equivalent.
    // We invoke the file with --check, which only succeeds when openapi.json already exists;
    // when it doesn't, the script exits with code 1 (missing) or 2 (drift). Either is a "ran" signal.
    const result = spawnSync("pnpm", ["exec", "tsx", scriptPath, "--check"], {
      cwd: resolve(here, ".."),
      encoding: "utf8",
    });
    expect([0, 1, 2]).toContain(result.status ?? -1);
  });
});