import { GraphQLError } from "graphql";
import { describe, expect, it, vi } from "vitest";

import { getUser } from "~/services/auth/anilist/getUser";

import { user } from "./user";

vi.mock("~/services/auth/anilist/getUser", () => ({
  getUser: vi.fn(),
}));

describe("user resolver", () => {
  it("should throw GraphQLError (UNAUTHORIZED) if aniListToken is missing", async () => {
    await expect(
      user(null, {}, { aniListToken: undefined } as any),
    ).rejects.toThrow(
      new GraphQLError("Unauthorized", {
        extensions: { code: "UNAUTHORIZED" },
      }),
    );
  });

  it("should fetch user if token is present", async () => {
    const mockUser = { id: 1, name: "test" };
    vi.mocked(getUser).mockResolvedValue(mockUser as any);

    const result = await user(null, {}, { aniListToken: "token" } as any);

    expect(result).toEqual(mockUser);
    expect(getUser).toHaveBeenCalledWith("token");
  });

  it("should throw GraphQLError if user service returns null", async () => {
    vi.mocked(getUser).mockResolvedValue(null);

    await expect(
      user(null, {}, { aniListToken: "token" } as any),
    ).rejects.toThrow(
      new GraphQLError("Failed to fetch user", {
        extensions: { code: "INTERNAL_SERVER_ERROR" },
      }),
    );
  });
});