import { describe, expect, test } from "bun:test";
import { GuestCommentValidationError } from "../../utils/post-comment-guest";
import { resolveGuestFields } from "./guest-fields";

describe("resolveGuestFields", () => {
  test("guest non-anonymous without email throws", () => {
    expect(() =>
      resolveGuestFields({
        viewerPresent: false,
        guestIsAnonymous: false,
      }),
    ).toThrow(GuestCommentValidationError);
  });

  test("guest anonymous with empty email passes", () => {
    expect(
      resolveGuestFields({
        viewerPresent: false,
        guestEmail: "",
        guestIsAnonymous: true,
      }),
    ).toEqual({ guestEmail: null, guestIsAnonymous: true });
  });

  test("logged-in viewer ignores guest fields", () => {
    expect(
      resolveGuestFields({
        viewerPresent: true,
        guestEmail: "guest@example.com",
        guestIsAnonymous: true,
      }),
    ).toEqual({ guestEmail: null, guestIsAnonymous: false });
  });

  test("guest with undefined anonymous flag defaults to non-anonymous and requires email", () => {
    expect(() =>
      resolveGuestFields({
        viewerPresent: false,
      }),
    ).toThrow(GuestCommentValidationError);
  });
});