/**
 * The api package is the public type surface for `commonfabric`. Most of it
 * is ambient type and `declare const` material with no runtime footprint, but
 * the module itself still evaluates its concrete re-exports when imported.
 * Loading it here exercises that evaluation, and pins the fetch result
 * surface.
 */

import { expect } from "@std/expect";
import {
  CFC_CANONICAL_ALIAS_NAMES,
  type FabricBytes,
  type FetchBinaryResult,
} from "@commonfabric/api";

Deno.test("api module loads and re-exports the CFC canonical alias names", () => {
  expect(Array.isArray(CFC_CANONICAL_ALIAS_NAMES)).toBe(true);
  expect(CFC_CANONICAL_ALIAS_NAMES.length).toBeGreaterThan(0);
  for (const name of CFC_CANONICAL_ALIAS_NAMES) {
    expect(typeof name).toBe("string");
  }
});

Deno.test("FetchBinaryResult describes bytes plus a media type", () => {
  // Type-level pin for the fetchBinary result shape: a FabricBytes buffer and a
  // media-type string. Constructed structurally so the assertion runs without a
  // real FabricBytes instance (the constructor lives in the runtime, not here).
  const sample: FetchBinaryResult = {
    bytes: { length: 3 } as unknown as FabricBytes,
    mediaType: "image/png",
  };
  expect(sample.mediaType).toBe("image/png");
  expect(sample.bytes.length).toBe(3);
});