/*
 * Copyright (C) 2008-2017, Juick
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.juick.service;

import com.juick.Message;
import com.juick.Tag;
import com.juick.User;
import com.juick.configuration.DataConfiguration;
import com.juick.configuration.RepositoryConfiguration;
import com.juick.server.helpers.AnonymousUser;
import com.juick.server.helpers.TagStats;
import org.apache.commons.lang3.StringUtils;
import org.junit.*;
import org.junit.runner.RunWith;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.AbstractJUnit4SpringContextTests;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import javax.inject.Inject;
import java.sql.Timestamp;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.greaterThan;
import static org.junit.Assert.assertEquals;

/**
 * Created by aalexeev on 11/25/16.
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = { DataConfiguration.class, RepositoryConfiguration.class })
public class MessageServiceTest extends AbstractJUnit4SpringContextTests {
    @Inject
    private MessagesService messagesService;
    @Inject
    private UserService userService;
    @Inject
    private SubscriptionService subscriptionService;
    @Inject
    private TagService tagService;
    @Inject
    private TelegramService telegramService;
    @Inject
    private JdbcTemplate jdbcTemplate;
    @Inject
    private CrosspostService crosspostService;
    @Inject
    private PMQueriesService pmQueriesService;
    @Inject
    private EmailService emailService;

    static int ugnichId, freefdId, mid;

    private static boolean setUpIsDone = false;

    @Before
    public void createUgniches() {
        if (!setUpIsDone) {
            ugnichId = userService.createUser("ugnich", "secret");
            freefdId = userService.createUser("freefd", "secret");
            setUpIsDone = true;
        }
    }

    @Test
    public void getMyFeed() {
        mid = messagesService.createMessage(ugnichId, "test", null, null);
        int mid2 = messagesService.createMessage(ugnichId, "test2", null, null);
        subscriptionService.subscribeUser(userService.getUserByUID(freefdId).orElse(AnonymousUser.INSTANCE),
                userService.getUserByUID(ugnichId).orElse(AnonymousUser.INSTANCE));
        List<Integer> freefdFeed = messagesService.getMyFeed(freefdId, 0, false);
        assertThat(freefdFeed.size(), equalTo(2));
        int tonyaid = userService.createUser("Tonya", "secret");
        int mid3 = messagesService.createMessage(tonyaid, "test3", null, null);
        messagesService.recommendMessage(mid3, ugnichId);
        assertThat(messagesService.getMyFeed(freefdId, 0, false).size(), equalTo(2));
        assertThat(messagesService.getMyFeed(freefdId, 0, true).size(), equalTo(3));
        assertThat(messagesService.getMyFeed(freefdId, mid2, true).size(), equalTo(1));
        assertThat(messagesService.getMyFeed(freefdId, mid, false).size(), equalTo(0));
        assertThat(messagesService.recommendMessage(mid, ugnichId), equalTo(true));
        assertThat(messagesService.getMessage(mid).getLikes(), equalTo(1));
        assertThat(messagesService.recommendMessage(mid, ugnichId), equalTo(false));
        assertThat(messagesService.getMessage(mid).getLikes(), equalTo(0));
        assertThat(messagesService.getAll(ugnichId, 0).size(), equalTo(3));

        User ugnich = userService.getUserByUID(ugnichId).orElse(AnonymousUser.INSTANCE);
        User freefd = userService.getUserByUID(freefdId).orElse(AnonymousUser.INSTANCE);
        Tag yoTag = tagService.getTag("yoyo", true);
        assertThat(tagService.getTag("YOYO", false), equalTo(yoTag));
        int mid = messagesService.createMessage(ugnichId, "yo", null, Collections.singletonList(yoTag));
        List<User> subscribers = subscriptionService.getSubscribedUsers(ugnichId, mid);

        telegramService.createTelegramUser(12345, "freefd");
        String loginhash = jdbcTemplate.queryForObject("SELECT loginhash FROM telegram where tg_id=?",
                String.class, 12345);
        crosspostService.setTelegramUser(loginhash, freefd.getUid());

        List<Long> telegramSubscribers = telegramService.getTelegramIdentifiers(subscribers);
        assertThat(subscribers.size(), equalTo(1));
        assertThat(subscribers.size(), equalTo(telegramSubscribers.size()));
        assertThat(subscribers.get(0).getUid(), equalTo(freefd.getUid()));
        tagService.blacklistTag(freefd, yoTag);
        List<User> subscribers2 = subscriptionService.getSubscribedUsers(ugnichId, mid);
        assertThat(subscribers2.size(), equalTo(0));
        assertThat(telegramService.getTelegramIdentifiers(subscribers2).size(), equalTo(0));
        tagService.blacklistTag(freefd, yoTag);
        assertThat(subscriptionService.getSubscribedUsers(ugnichId, mid).size(), equalTo(1));
    }
    @Test
    public void pmTests() {
        pmQueriesService.createPM(freefdId, ugnichId, "hello");
        Message pm = pmQueriesService.getPMMessages(ugnichId, freefdId).get(0);
        assertThat(pm.getText(), equalTo("hello"));
        assertThat(pm.getUser().getUid(), equalTo(freefdId));
    }

    @Test
    public void messageTests() {
        int user_id = userService.createUser("mmmme", "secret");
        User user = userService.getUserByUID(user_id).orElse(new User());
        assertEquals("it should be me", "mmmme", user.getName());
        int mid = messagesService.createMessage(user_id, "yo", null, new ArrayList<>());
        Message msg = messagesService.getMessage(mid);
        assertEquals("yo", msg.getText());
        User me = msg.getUser();
        assertEquals("mmmme", me.getName());
        assertEquals("mmmme", messagesService.getMessageAuthor(mid).getName());
        int tagID = tagService.createTag("weather");
        Tag tag = tagService.getTag(tagID);
        List<Tag> tagList = new ArrayList<>();
        tagList.add(tag);
        int mid2 = messagesService.createMessage(user_id, "yo2", null, tagList);
        Message msg2 = messagesService.getMessage(mid2);
        assertEquals(1, msg2.getTags().size());
        assertEquals("we already have ugnich", -1, userService.createUser("ugnich", "x"));
        int ugnich_id = userService.createUser("hugnich", "x");
        User ugnich = userService.getUserByUID(ugnich_id).orElse(new User());
        int rid = messagesService.createReply(msg2.getMid(), 0, ugnich.getUid(), "bla-bla", null);
        assertEquals(1, rid);
        assertThat(msg2.getTo(), equalTo(null));
        Message reply = messagesService.getReply(msg2.getMid(), rid);
        assertThat(reply.getTo().getName(), equalTo(user.getName()));
        List<Message> replies = messagesService.getReplies(msg2.getMid());
        assertThat(replies.size(), equalTo(1));
        assertThat(replies.get(0), equalTo(reply));
        int ridToReply = messagesService.createReply(msg2.getMid(), 1, ugnich_id, "blax2", null);
        Message reply2 = messagesService.getReply(msg2.getMid(), ridToReply);
        assertThat(reply.getTo().getName(), equalTo(user.getName()));
        List<Message> replies2 = messagesService.getReplies(msg2.getMid());
        assertThat(replies2.size(), equalTo(2));
        assertThat(replies2.get(1), equalTo(reply2));
        Message msg3 = messagesService.getMessage(mid2);
        assertEquals(2, msg3.getReplies());
        assertEquals("weather", msg3.getTags().get(0).getName());
        assertEquals(ugnich.getUid(), userService.checkPassword(ugnich.getName(), "x"));
        assertEquals(-1, userService.checkPassword(ugnich.getName(), "xy"));
        subscriptionService.subscribeMessage(msg.getMid(), ugnich.getUid());
        assertEquals(1, subscriptionService.getUsersSubscribedToComments(msg.getMid(), user.getUid()).size());
        assertThat(messagesService.getDiscussions(ugnich.getUid(), Instant.now().toEpochMilli()).get(0),
                                equalTo(msg.getMid()));
        messagesService.deleteMessage(user_id, mid);
        messagesService.deleteMessage(user_id, mid2);
        String htmlTagName = ">_<";
        Tag htmlTag = tagService.getTag(htmlTagName, true);
        TagStats htmlTagStats = new TagStats();
        htmlTagStats.setTag(htmlTag);
        String dbTagName = jdbcTemplate.queryForObject("select name from tags where name=?", String.class, htmlTagName);
        assertEquals("db tags should not be escaped", dbTagName, htmlTag.getName());
        int mid4 = messagesService.createMessage(user_id, "yoyoyo", null, null);
        Message msg4 = messagesService.getMessage(mid4);
        assertEquals("tags string should be empty", StringUtils.EMPTY, msg4.getTagsString());
        messagesService.deleteMessage(user_id, mid4);
    }
    @Test
    public void lastJidShouldNotBeDeleted() {
        int ugnich_id = userService.createUser("hugnich2", "x");
        jdbcTemplate.update("INSERT INTO jids(user_id,jid,active) VALUES(?,?,?)", ugnich_id, "firstjid@localhost", 1);
        jdbcTemplate.update("INSERT INTO jids(user_id,jid,active) VALUES(?,?,?)", ugnich_id, "secondjid@localhost", 1);
        assertThat(userService.deleteJID(ugnich_id, "secondjid@localhost"), equalTo(true));
        assertThat(userService.deleteJID(ugnich_id, "firstjid@localhost"), equalTo(false));
    }
    @Test
    public void lastEmailShouldNotBeDeleted() {
        int ugnich_id = userService.createUser("hugnich3", "x");
        jdbcTemplate.update("INSERT INTO emails(user_id,email) VALUES(?,?)", ugnich_id, "first@localhost");
        jdbcTemplate.update("INSERT INTO emails(user_id,email) VALUES(?,?)", ugnich_id, "second@localhost");
        assertThat(emailService.deleteEmail(ugnich_id, "second@localhost"), equalTo(true));
        assertThat(emailService.deleteEmail(ugnich_id, "first@localhost"), equalTo(false));
    }
    @Test
    public void messageUpdatedTimeShouldMatchLastReplyTime() throws InterruptedException {
        int ugnich_id = userService.createUser("hugnich4", "x");
        int mid = messagesService.createMessage(ugnich_id, "yo", null, null);
        Instant ts = jdbcTemplate.queryForObject("SELECT updated FROM messages WHERE message_id=?",
                Timestamp.class, mid).toInstant();
        Thread.sleep(1000);
        int rid = messagesService.createReply(mid, 0, ugnich_id, "people", null);
        Instant rts = jdbcTemplate.queryForObject("SELECT updated FROM messages WHERE message_id=?",
                Timestamp.class, mid).toInstant();
        assertThat(rts, greaterThan(ts));
        Message msg = messagesService.getReply(mid, rid);
        assertThat(rts, equalTo(msg.getTimestamp()));
        messagesService.deleteMessage(ugnich_id, mid);
    }
}