package nl.han.dea.login;

import nl.han.dea.datastore.UserData;
import nl.han.dea.datastore.models.Login;
import nl.han.dea.exceptions.LoginException;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;


import javax.ws.rs.core.Response;

import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.when;

@RunWith(MockitoJUnitRunner.Silent.class)
public class LoginServiceTest {
    // Constants of commonly used values
    private final String USER = "zzzzz";
    private final String PASSWORD = "12345";
    private final String TOKEN = "1234-1234-1234";
    private final String USERNAME = "Test T.";

    // Default objects
    private LoginRequest loginRequest;
    private LoginResponse loginResponse;
    private LoginException loginException;
    private Login login;

    @InjectMocks
    private LoginService service;

    @Mock
    private UserData userData;

    @Before
    public void init() {
        loginRequest = new LoginRequest(USER, PASSWORD);
        loginResponse = new LoginResponse(TOKEN, USERNAME);
        loginException = new LoginException("%");

        login = new Login();
        login.setInput(USER, PASSWORD);
        login.setOutput(TOKEN, USERNAME);
    }

    @Test
    public void shouldDoSuccessfulLogin() {
        // Mockito prep
        try {
            when(userData.checkLogin(any(Login.class))).thenReturn(login);
        } catch (LoginException e) { } // No need to catch an exception in 'when()', it won't throw

        // Var prep
        Response response = service.doPostLogin(loginRequest);

        // Assert status code
        int expected = 200;
        int actual = response.getStatus();
        Assert.assertEquals(expected, actual);
    }

    @Test
    public void shouldDoUnsuccessfulLogin() {
        // Mockito prep
        try {
            when(userData.checkLogin(any(Login.class))).thenThrow(loginException);
        } catch (LoginException e) { } // No need to catch an exception in 'when()', it won't throw

        // Var prep
        LoginRequest request = new LoginRequest(USER, PASSWORD);
        Response response = service.doPostLogin(request);

        // Assert status code
        Assert.assertEquals(401, response.getStatus());
    }
}