import { describe, expect, test } from "bun:test";
import { extractMediaUrlsFromMarkdown, publicAssetUrlToStorageKey } from "./post-media-urls";

describe("extractMediaUrlsFromMarkdown", () => {
  test("accepts site-relative /public/assets/ URL", () => {
    expect(extractMediaUrlsFromMarkdown("![](/public/assets/a.webp)")).toEqual(["/public/assets/a.webp"]);
  });

  test("accepts absolute URL with same path and normalizes to relative", () => {
    expect(
      extractMediaUrlsFromMarkdown("![](https://blog.example.com/public/assets/b.webp)"),
    ).toEqual(["/public/assets/b.webp"]);
  });

  test("strips query on relative asset URL", () => {
    expect(extractMediaUrlsFromMarkdown("![](/public/assets/c.webp?v=1)")).toEqual(["/public/assets/c.webp"]);
  });

  test("strips query on absolute asset URL via pathname", () => {
    expect(
      extractMediaUrlsFromMarkdown("![](https://x.example/public/assets/d.webp?cache=1)"),
    ).toEqual(["/public/assets/d.webp"]);
  });

  test("ignores non-asset absolute URLs", () => {
    expect(extractMediaUrlsFromMarkdown("![](https://evil.com/other.png)")).toEqual([]);
  });
});

describe("publicAssetUrlToStorageKey", () => {
  test("maps normalized path to storage key", () => {
    expect(publicAssetUrlToStorageKey("/public/assets/z.webp")).toBe("z.webp");
  });
});