/*
 * 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.tests;

import ch.vorburger.exec.ManagedProcessException;
import ch.vorburger.mariadb4j.DB;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.juick.Message;
import com.juick.Tag;
import com.juick.User;
import com.juick.server.helpers.TagStats;
import com.juick.server.protocol.JuickProtocol;
import com.juick.server.protocol.ProtocolListener;
import com.juick.service.MessagesService;
import com.juick.service.SubscriptionService;
import com.juick.service.TagService;
import com.juick.service.UserService;
import com.juick.service.search.SearchService;
import com.juick.www.WebApp;
import com.mitchellbosecke.pebble.PebbleEngine;
import com.mitchellbosecke.pebble.loader.StringLoader;
import com.mitchellbosecke.pebble.template.PebbleTemplate;
import org.apache.commons.dbcp2.BasicDataSource;
import org.apache.commons.lang3.StringUtils;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.DependsOn;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.TransactionManagementConfigurer;
import ru.sape.Sape;

import javax.inject.Inject;
import java.lang.reflect.InvocationTargetException;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collections;
import java.util.List;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;

/**
 * Created by vt on 14.01.2016.
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration
public class ApiTests {
    @Configuration
    @ComponentScan(basePackages = {"com.juick.service", "com.juick.server.protocol"})
    static class Config implements TransactionManagementConfigurer {
        @Bean
        public BasicDataSource dataSource() {
            try {
                DB db = DB.newEmbeddedDB(33306);
                db.start();
                db.createDB("juick");
                db.source("schema.sql");
                BasicDataSource dataSource = new BasicDataSource();
                dataSource.setDriverClassName("com.mysql.jdbc.Driver");
                dataSource.setUrl("jdbc:mysql://localhost:33306/juick?autoReconnect=true&user=root");

                dataSource.setValidationQuery("select 1");

                return dataSource;
            } catch (ManagedProcessException e) {
                return null;
            }
        }

        @Bean
        public PlatformTransactionManager transactionManager() {
            return new DataSourceTransactionManager(dataSource());
        }

        @Override
        public PlatformTransactionManager annotationDrivenTransactionManager() {
            return transactionManager();
        }

        @Bean
        @DependsOn("dataSource")
        public JdbcTemplate jdbcTemplate() {
            return new JdbcTemplate(dataSource());
        }
        @Bean
        public SearchService emptySearchService() {
            return new SearchService() {
                @Override
                public void setMaxResult(int maxResult) {
                }

                @Override
                public List<Integer> searchInAllMessages(String searchString, int messageIdBefore) {
                    return Collections.emptyList();
                }

                @Override
                public List<Integer> searchByStringAndUser(String searchString, int userId, int messageIdBefore) {
                    return Collections.emptyList();
                }
            };
        }
        @Bean
        public JuickProtocol juickProtocol() {
            return new JuickProtocol("http://localhost:8080/");
        }
        @Bean
        public Sape sape() {
            return Mockito.mock(Sape.class);
        }
        @Bean
        public WebApp webApp() {
            return Mockito.mock(WebApp.class);
        }
    }

    @Inject
    UserService userService;
    @Inject
    MessagesService messagesService;
    @Inject
    TagService tagService;
    @Inject
    SubscriptionService subscriptionService;
    @Inject
    JdbcTemplate jdbcTemplate;
    @Inject
    JuickProtocol juickProtocol;

    @Mock
    ProtocolListener listener;

    @Before
    public void setup() {
        userService.createUser("ugnich", "secret");
        userService.createUser("juick", "secret");
        MockitoAnnotations.initMocks(this);
    }
    @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());
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(msg.getDate());
        assertEquals(2017, calendar.get(Calendar.YEAR));
        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);
        Message msg3 = messagesService.getMessage(mid2);
        assertEquals(1, 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());
        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 protocolTests() throws IllegalAccessException, NoSuchMethodException, InvocationTargetException, ParseException, JsonProcessingException {
        juickProtocol.setListener(listener);
        assertEquals("juick user should have uid 2", 2, userService.getUIDbyName("juick"));
        int uid = userService.createUser("me", "secret");
        User user = userService.getUserByUID(uid).orElse(new User());
        String expectedMessage = "New message posted";
        assertEquals("should be message", true,
                juickProtocol.getReply(user, "*yo yoyo").startsWith(expectedMessage));
        int mid = messagesService.getUserBlog(user.getUid(), -1, 0).stream().reduce((first, second) -> second).get();
        assertEquals("text should match", "yoyo",
                messagesService.getMessage(mid).getText());
        assertEquals("tag should match", "yo",
                tagService.getMessageTags(mid).get(0).getTag().getName());
        assertNotEquals("should not be error", "Error", juickProtocol.getReply(user, "#" + mid));
        assertEquals("should be PONG", "PONG", juickProtocol.getReply(user, "ping"));
        int readerUid = userService.createUser("dummyReader", "dummySecret");
        User readerUser = userService.getUserByUID(readerUid).orElse(new User());
        assertEquals("should be subscribed", "Subscribed",
                juickProtocol.getReply(readerUser, "S #" + mid));
        assertEquals("number of subscribed users should match", 1,
                subscriptionService.getUsersSubscribedToComments(mid, uid).size());
        assertEquals("should be subscribed", "Subscribed",
                juickProtocol.getReply(readerUser, "S @" + user.getName()));
        List<User> friends = userService.getUserFriends(readerUid);
        assertEquals("number of friend users should match", 2,
                friends.size());
        assertEquals("number of reader users should match", 1,
                userService.getUserReaders(uid).size());
        String expectedReply = "Reply posted.\n#" + mid + "/1 "
                + juickProtocol.getBaseUri() + mid + "#1";
        String expectedSecondReply = "Reply posted.\n#" + mid + "/2 "
                + juickProtocol.getBaseUri() + mid + "#2";
        assertEquals("should be reply", expectedReply,
                juickProtocol.getReply(user, "#" + mid + " yoyo"));
        assertEquals("should be second reply", expectedSecondReply,
                juickProtocol.getReply(user, "#" + mid + "/1 yoyo"));
        Message reply = messagesService.getReplies(mid).stream().filter(m -> m.getRid() == 2).findFirst()
                .orElse(new Message());
        assertEquals("should be reply to first comment", 1, reply.getReplyto());
        assertNotEquals("tags should NOT be updated", "Tags are updated",
                juickProtocol.getReply(readerUser, "#" + mid + " *yo *there"));
        assertEquals("tags should be updated", "Tags are updated",
                juickProtocol.getReply(user, "#" + mid + " *there"));
        assertEquals("number of tags should match", 2,
                tagService.getMessageTags(mid).size());
        assertEquals("should be blacklisted", "Tag added to your blacklist",
                juickProtocol.getReply(readerUser, "BL *there"));
        assertEquals("number of subscribed users should match", 0,
                subscriptionService.getSubscribedUsers(uid, mid).size());
        assertEquals("tags should be updated", "Tags are updated",
                juickProtocol.getReply(user, "#" + mid + " *there"));
        assertEquals("number of tags should match", 1,
                tagService.getMessageTags(mid).size());
        int taggerUid = userService.createUser("dummyTagger", "dummySecret");
        User taggerUser = userService.getUserByUID(taggerUid).orElse(new User());
        assertEquals("should be subscribed", "Subscribed",
                juickProtocol.getReply(taggerUser, "S *yo"));
        assertEquals("number of subscribed users should match", 2,
                subscriptionService.getSubscribedUsers(uid, mid).size());
        assertEquals("should be unsubscribed", "Unsubscribed from yo",
                juickProtocol.getReply(taggerUser, "U *yo"));
        assertEquals("number of subscribed users should match", 1,
                subscriptionService.getSubscribedUsers(uid, mid).size());
        assertEquals("number of readers should match", 1,
                userService.getUserReaders(uid).size());
        String readerFeed = juickProtocol.getReply(readerUser, "#");
        assertEquals("description should match", true, readerFeed.startsWith("Your feed"));
        assertEquals("should be unsubscribed", "Unsubscribed from @" + user.getName(),
                juickProtocol.getReply(readerUser, "U @" + user.getName()));
        assertEquals("number of readers should match", 0,
                userService.getUserReaders(uid).size());
        assertEquals("number of friends should match", 1,
                userService.getUserFriends(uid).size());
        assertEquals("should be unsubscribed", "Unsubscribed from #" + mid,
                juickProtocol.getReply(readerUser, "u #" + mid));
        assertEquals("number of subscribed users should match", 0,
                subscriptionService.getUsersSubscribedToComments(mid, uid).size());
        assertNotEquals("should NOT be deleted", String.format("Message %s deleted", mid),
                juickProtocol.getReply(readerUser, "D #" + mid));
        assertEquals("should be deleted", String.format("Message %s deleted", mid),
                juickProtocol.getReply(user, "D #" + mid));
        assertEquals("should not have messages", 0, messagesService.getAll(user.getUid(), 0).size());
    }

}