import { describe, expect, it } from "vitest";

import {
  createToolcraftMediaResourceRef,
  decodeToolcraftDataUrl,
} from "./media-resource-ref";

describe("Toolcraft binary media resource refs", () => {
  it("creates deterministic kind-scoped refs from bytes", () => {
    const bytes = new Uint8Array([1, 2, 3]);

    expect(createToolcraftMediaResourceRef("image", bytes)).toMatch(
      /^media:image:sha256:[0-9a-f]{64}$/u,
    );
    expect(createToolcraftMediaResourceRef("image", bytes)).toBe(
      createToolcraftMediaResourceRef("image", new Uint8Array(bytes)),
    );
    expect(createToolcraftMediaResourceRef("file", bytes)).not.toBe(
      createToolcraftMediaResourceRef("image", bytes),
    );
  });

  it("decodes base64 and percent-encoded data urls", () => {
    expect([...decodeToolcraftDataUrl("data:text/plain;base64,SGk=")]).toEqual([
      72, 105,
    ]);
    expect(
      new TextDecoder().decode(
        decodeToolcraftDataUrl("data:text/plain,hello%20world"),
      ),
    ).toBe("hello world");
  });
});