import { describe, expect, it } from "vitest";
import { attributionGaps, uniqueOriginNotices, type SourceCredit } from "./attribution";

const onco: SourceCredit = {
  title: "OnCo",
  license: "CC-BY-NC-4.0",
  uri: "https://onco.cc",
  attribution: "Data from OnCo (onco.cc)",
  licenseUrl: "https://creativecommons.org/licenses/by-nc/4.0/",
  retrievedAt: "2026-10-19",
  originSha: "b594d7433bf4e408b44215e25e5304696d6f840e",
  modificationNotice: "Projected from the pinned record.",
};

describe("attribution", () => {
  it("accepts a complete CC BY-NC notice and rejects a missing duty", () => {
    expect(attributionGaps(onco)).toEqual([]);
    expect(attributionGaps({ ...onco, modificationNotice: "" })).toContain("modificationNotice");
    expect(attributionGaps({ ...onco, licenseUrl: "https://example.invalid" })).toContain("licenseUrl");
  });

  it("shows one notice when every record repeats the same origin", () => {
    const record = { ...onco, title: "One record", uri: "https://onco.cc/records/one" };
    expect(uniqueOriginNotices([onco, record, { title: "Public", license: "CC0-1.0", uri: "https://example.test" }])).toEqual([onco]);
  });
});