// Copyright (c) 2023 Tudor Stanciu

import { renderHook, act } from "@testing-library/react-hooks";
import { TuitioClient } from "@flare/tuitio-client";
import { useTuitioClient } from "../../src/hooks";

const userName = "tuitio.user";
const password = "password";
const token = "mocked-token";
const expiresIn = 600000;
const validUntil = new Date();

jest.mock("@flare/tuitio-client", () => ({
  TuitioClient: jest.fn().mockImplementation(() => ({
    login: jest.fn().mockResolvedValue({
      result: {
        token,
        expiresIn,
        validUntil
      },
      error: null
    }),
    logout: jest.fn().mockResolvedValue({
      result: {
        userId: 0,
        userName,
        logoutDate: new Date()
      },
      error: null
    })
  })),
  fetch: jest.fn().mockResolvedValue({
    token,
    validUntil,
    userName
  })
}));

describe("useTuitioClient", () => {
  it("should call onLoginSuccess when login is successful and should call onLogoutSuccess when logout is called", async () => {
    const onLoginSuccess = jest.fn();
    const onLogoutSuccess = jest.fn();
    const { result } = renderHook(() =>
      useTuitioClient({
        onLoginSuccess,
        onLoginFailed: jest.fn(),
        onLoginError: jest.fn(),
        onLogoutSuccess
      })
    );

    await act(async () => {
      await result.current.login(userName, password);
      await result.current.logout();
    });

    expect(onLoginSuccess).toHaveBeenCalledWith(userName, token, expiresIn, validUntil);
    expect(onLogoutSuccess).toHaveBeenCalled();
  });

  it("should call onLoginFailed when login is unsuccessful", async () => {
    const error = "error";

    const onLoginFailed = jest.fn();
    (TuitioClient as jest.Mocked<any>).mockImplementation(() => ({
      login: jest.fn().mockResolvedValue({
        result: null,
        error
      })
    }));

    const { result } = renderHook(() =>
      useTuitioClient({
        onLoginSuccess: jest.fn(),
        onLoginFailed,
        onLoginError: jest.fn()
      })
    );

    await act(async () => {
      await result.current.login(userName, password);
    });

    expect(onLoginFailed).toHaveBeenCalledWith(error);
  });

  it("should call onLoginError with error if authentication fails", async () => {
    (TuitioClient as jest.Mocked<any>).mockImplementation(() => ({
      login: jest.fn().mockRejectedValue(new Error("Login failed"))
    }));

    const onLoginError = jest.fn();
    const { result } = renderHook(() =>
      useTuitioClient({ onLoginSuccess: jest.fn(), onLoginFailed: jest.fn(), onLoginError })
    );

    await act(async () => {
      try {
        await result.current.login(userName, password);
      } catch (error) {
        expect(onLoginError).toHaveBeenCalledWith(error);
      }
    });
  });

  it("should return error if logout returns error", async () => {
    (TuitioClient as jest.Mocked<any>).mockImplementation(() => ({
      logout: jest.fn().mockResolvedValue({
        result: null,
        error: "error"
      })
    }));

    const onLogoutFailed = jest.fn();

    const { result } = renderHook(() =>
      useTuitioClient({
        onLogoutFailed
      })
    );

    const response = await result.current.logout();
    expect(response.result).toBeNull();
    expect(response.error).toBe("error");
    expect(onLogoutFailed).toHaveBeenCalledWith(response.error);
  });

  it("should call onLogoutError with error if logout fails", async () => {
    (TuitioClient as jest.Mocked<any>).mockImplementation(() => ({
      logout: jest.fn().mockRejectedValue(new Error("Login failed"))
    }));

    const onLogoutError = jest.fn();
    const { result } = renderHook(() => useTuitioClient({ onLogoutError }));

    await act(async () => {
      try {
        await result.current.logout();
      } catch (error) {
        expect(onLogoutError).toHaveBeenCalledWith(error);
      }
    });
  });

  it("should throw exception if both result and error are null", async () => {
    (TuitioClient as jest.Mocked<any>).mockImplementation(() => ({
      login: jest.fn().mockResolvedValue({
        result: null,
        error: null
      }),
      logout: jest.fn().mockResolvedValue({
        result: null,
        error: null
      })
    }));

    const { result } = renderHook(() => useTuitioClient());

    await act(async () => {
      try {
        await result.current.login(userName, password);
      } catch (error) {
        expect(error).toBeDefined();
      }

      try {
        await result.current.logout();
      } catch (error) {
        expect(error).toBeDefined();
      }
    });
  });
});