declare const describe: any, it: any, expect: any;
import { blurHashToDataURL, DEFAULT_FALLBACK_BLUR_HASH } from "../lib/blurhash";

describe("Storefront BlurHash Utilities & Decoder", () => {
  it("generates a data URL for a valid BlurHash string", () => {
    const validHash = "L9TI:j|cfQ|c|co1fQo1fQfQfQfQ";
    const dataUrl = blurHashToDataURL(validHash, 32, 32);
    expect(typeof dataUrl).toBe("string");
    expect(dataUrl.startsWith("data:")).toBe(true);
  });

  it("handles null or empty blurHash gracefully using DEFAULT_FALLBACK_BLUR_HASH", () => {
    const dataUrlNull = blurHashToDataURL(null, 32, 32);
    const dataUrlEmpty = blurHashToDataURL("", 32, 32);
    expect(typeof dataUrlNull).toBe("string");
    expect(dataUrlNull.startsWith("data:")).toBe(true);
    expect(dataUrlNull).toEqual(dataUrlEmpty);
  });

  it("exports DEFAULT_FALLBACK_BLUR_HASH constant", () => {
    expect(DEFAULT_FALLBACK_BLUR_HASH).toBeDefined();
    expect(typeof DEFAULT_FALLBACK_BLUR_HASH).toBe("string");
  });
});