import { pathToFileURL } from "node:url";
import { existsSync } from "node:fs";
import { PathLike } from "node:fs";
import provideConfig from "./provideConfig";
import { vi } from "vitest";

// Mock fs module
vi.mock("node:fs", () => ({
  existsSync: vi.fn(),
}));

// Mock url module
vi.mock("node:url", () => ({
  pathToFileURL: vi.fn(),
}));

// Create a mock module factory
const mockConfigModule = {
  default: "mocked-config",
};

// Mock both possible config paths
vi.mock(`${process.cwd()}/embeddable.config.js`, () => mockConfigModule);
vi.mock(`${process.cwd()}/embeddable.config.ts`, () => mockConfigModule);

describe("provideConfig", () => {
  beforeEach(() => {
    vi.resetModules();
    // Mock that only the TS config exists
    vi.mocked(existsSync).mockImplementation((path: PathLike) =>
      path.toString().endsWith("embeddable.config.ts"),
    );
    // Mock URL creation
    vi.mocked(pathToFileURL).mockImplementation(
      (path) => new URL(`file://${path}`),
    );
  });

  it("should return the default config when the config file exists", async () => {
    const result = await provideConfig();
    expect(result).toEqual("mocked-config");
  });
});