package com.baeldung.relationships;

import static org.springframework.util.Assert.isTrue;

import java.util.Date;
import java.util.List;

import javax.servlet.ServletContext;

import org.junit.AfterClass;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.InvalidDataAccessApiUsageException;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.context.web.WebAppConfiguration;
import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;

import com.baeldung.AppConfig;
import com.baeldung.data.repositories.TweetRepository;
import com.baeldung.data.repositories.UserRepository;
import com.baeldung.models.AppUser;
import com.baeldung.models.Tweet;
import com.baeldung.security.AppUserPrincipal;
import com.baeldung.util.DummyContentUtil;

@RunWith(SpringRunner.class)
@WebAppConfiguration
@ContextConfiguration
@DirtiesContext
public class SpringDataWithSecurityTest {
    AnnotationConfigWebApplicationContext ctx = new AnnotationConfigWebApplicationContext();
    @Autowired
    private ServletContext servletContext;
    private static UserRepository userRepository;
    private static TweetRepository tweetRepository;

    @Before
    public void testInit() {
        ctx.register(AppConfig.class);
        ctx.setServletContext(servletContext);
        ctx.refresh();
        userRepository = ctx.getBean(UserRepository.class);
        tweetRepository = ctx.getBean(TweetRepository.class);
        List<AppUser> appUsers = (List<AppUser>) userRepository.save(DummyContentUtil.generateDummyUsers());
        tweetRepository.save(DummyContentUtil.generateDummyTweets(appUsers));
    }

    @AfterClass
    public static void tearDown() {
        tweetRepository.deleteAll();
        userRepository.deleteAll();
    }

    @Test
    public void givenAppUser_whenLoginSuccessful_shouldUpdateLastLogin() {
        AppUser appUser = userRepository.findByUsername("lionel@messi.com");
        Authentication auth = new UsernamePasswordAuthenticationToken(new AppUserPrincipal(appUser), null, DummyContentUtil.getAuthorities());
        SecurityContextHolder.getContext()
            .setAuthentication(auth);
        userRepository.updateLastLogin(new Date());
    }

    @Test(expected = InvalidDataAccessApiUsageException.class)
    public void givenNoAppUserInSecurityContext_whenUpdateLastLoginAttempted_shouldFail() {
        userRepository.updateLastLogin(new Date());
    }

    @Test
    public void givenAppUser_whenLoginSuccessful_shouldReadMyPagedTweets() {
        AppUser appUser = userRepository.findByUsername("lionel@messi.com");
        Authentication auth = new UsernamePasswordAuthenticationToken(new AppUserPrincipal(appUser), null, DummyContentUtil.getAuthorities());
        SecurityContextHolder.getContext()
            .setAuthentication(auth);
        Page<Tweet> page = null;
        do {
            page = tweetRepository.getMyTweetsAndTheOnesILiked(new PageRequest(page != null ? page.getNumber() + 1 : 0, 5));
            for (Tweet twt : page.getContent()) {
                isTrue((twt.getOwner() == appUser.getUsername()) || (twt.getLikes()
                    .contains(appUser.getUsername())), "I do not have any Tweets");
            }
        } while (page.hasNext());
    }

    @Test(expected = InvalidDataAccessApiUsageException.class)
    public void givenNoAppUser_whenPaginatedResultsRetrievalAttempted_shouldFail() {
        Page<Tweet> page = null;
        do {
            page = tweetRepository.getMyTweetsAndTheOnesILiked(new PageRequest(page != null ? page.getNumber() + 1 : 0, 5));
        } while (page != null && page.hasNext());
    }
}