/*
 * Copyright (c) 2006-2017 DMDirc Developers
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
 * OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package com.dmdirc.addons.jpq;

import com.dmdirc.config.prefs.PreferencesCategory;
import com.dmdirc.config.prefs.PreferencesSetting;
import com.dmdirc.config.prefs.PreferencesType;
import com.dmdirc.events.ChannelSelfJoinEvent;
import com.dmdirc.events.ChannelSelfPartEvent;
import com.dmdirc.events.GroupChatPrefsRequestedEvent;
import com.dmdirc.events.ServerConnectedEvent;
import com.dmdirc.events.ServerDisconnectedEvent;
import com.dmdirc.interfaces.Connection;
import com.dmdirc.interfaces.ConnectionManager;
import com.dmdirc.events.eventbus.EventBus;
import com.dmdirc.interfaces.GroupChat;
import com.dmdirc.interfaces.GroupChatManager;
import com.dmdirc.interfaces.config.AggregateConfigProvider;

import com.google.common.collect.Lists;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.ArgumentCaptor;
import org.mockito.Captor;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;

import static org.junit.Assert.assertEquals;
import static org.mockito.Matchers.anyString;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

@RunWith(MockitoJUnitRunner.class)
public class JPQManagerTest {

    @Mock private EventBus eventBus;
    @Mock private ConnectionManager connectionManager;
    @Mock private GroupChatHandlerFactory groupChatHandlerFactory;
    @Mock private ServerConnectedEvent serverConnectedEvent;
    @Mock private ServerDisconnectedEvent serverDisconnectedEvent;
    @Mock private GroupChatPrefsRequestedEvent groupChatPrefsRequestedEvent;
    @Mock private ChannelSelfJoinEvent channelSelfJoinEvent;
    @Mock private ChannelSelfPartEvent channelSelfPartEvent;
    @Mock private PreferencesCategory prefsCategory;
    @Mock private AggregateConfigProvider configProvider;
    @Captor private ArgumentCaptor<PreferencesSetting> preferencesSetting;
    @Mock private Connection connection1;
    @Mock private Connection connection2;
    @Mock private GroupChat groupChat1;
    @Mock private GroupChat groupChat2;
    @Mock private GroupChat groupChat3;
    @Mock private GroupChat groupChat4;
    @Mock private GroupChatHandler groupChatHandler1;
    @Mock private GroupChatHandler groupChatHandler2;
    @Mock private GroupChatHandler groupChatHandler3;
    @Mock private GroupChatHandler groupChatHandler4;
    @Mock private GroupChatManager groupChatManager1;
    @Mock private GroupChatManager groupChatManager2;
    private JPQManager instance;

    @Before
    public void setUp() throws Exception {
        when(groupChatHandlerFactory.get(groupChat1)).thenReturn(groupChatHandler1);
        when(groupChatHandlerFactory.get(groupChat2)).thenReturn(groupChatHandler2);
        when(groupChatHandlerFactory.get(groupChat3)).thenReturn(groupChatHandler3);
        when(groupChatHandlerFactory.get(groupChat4)).thenReturn(groupChatHandler4);
        when(serverConnectedEvent.getConnection()).thenReturn(connection1);
        when(serverDisconnectedEvent.getConnection()).thenReturn(connection1);
        when(connection1.getGroupChatManager()).thenReturn(groupChatManager1);
        when(connection2.getGroupChatManager()).thenReturn(groupChatManager2);
        when(groupChatManager1.getChannels())
                .thenReturn(Lists.newArrayList(groupChat1, groupChat2));
        when(groupChatManager2.getChannels())
                .thenReturn(Lists.newArrayList(groupChat3, groupChat4));
        when(connectionManager.getConnections())
                .thenReturn(Lists.newArrayList(connection1, connection2));
        when(groupChatPrefsRequestedEvent.getCategory()).thenReturn(prefsCategory);
        when(groupChatPrefsRequestedEvent.getConfig()).thenReturn(configProvider);
        when(channelSelfJoinEvent.getChannel()).thenReturn(groupChat3);
        when(channelSelfPartEvent.getChannel()).thenReturn(groupChat3);
        when(configProvider.getOption(anyString(), anyString())).thenReturn("true");
        instance = new JPQManager("domain", connectionManager, groupChatHandlerFactory, eventBus);
    }

    @Test
    public void testLoad() throws Exception {
        instance.load();
        verify(groupChatHandlerFactory).get(groupChat1);
        verify(groupChatHandlerFactory).get(groupChat2);
        verify(groupChatHandlerFactory).get(groupChat3);
        verify(groupChatHandlerFactory).get(groupChat4);
        verify(eventBus).subscribe(instance);
    }

    @Test
    public void testUnload() throws Exception {
        instance.load();
        instance.unload();
        verify(groupChatHandler1).unload();
        verify(groupChatHandler2).unload();
        verify(groupChatHandler3).unload();
        verify(groupChatHandler4).unload();
        verify(eventBus).unsubscribe(instance);
    }

    @Test
    public void testHandlePrefsEvent() throws Exception {
        instance.handleGroupChatPrefs(groupChatPrefsRequestedEvent);
        verify(prefsCategory).addSetting(preferencesSetting.capture());
        assertEquals(PreferencesType.BOOLEAN, preferencesSetting.getValue().getType());
        assertEquals("true", preferencesSetting.getValue().getValue());
    }

    @Test
    public void testHandleConnectionAdded() throws Exception {
        instance.handleConnectionAdded(serverConnectedEvent);
        verify(groupChatHandlerFactory).get(groupChat1);
        verify(groupChatHandlerFactory).get(groupChat2);
    }

    @Test
    public void testHandleConnectionRemoved() throws Exception {
        instance.handleConnectionAdded(serverConnectedEvent);
        instance.handleConnectionRemoved(serverDisconnectedEvent);
        verify(groupChatHandler1).unload();
        verify(groupChatHandler2).unload();
    }

    @Test
    public void testGroupChatAdded() throws Exception {
        instance.handleConnectionAdded(serverConnectedEvent);
        instance.handleGroupChatAdded(channelSelfJoinEvent);
        verify(groupChatHandlerFactory).get(groupChat3);
    }

    @Test
    public void testGroupChatRemoved() throws Exception {
        instance.handleGroupChatAdded(channelSelfJoinEvent);
        verify(groupChatHandlerFactory).get(groupChat3);
        instance.handleGroupChatRemoved(channelSelfPartEvent);
        verify(groupChatHandler3).unload();
    }
}