/*
 * 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.dcc;

import com.dmdirc.DefaultInputModel;
import com.dmdirc.addons.dcc.events.DccChatMessageEvent;
import com.dmdirc.addons.dcc.events.DccChatSelfMessageEvent;
import com.dmdirc.addons.dcc.events.DccChatSocketClosedEvent;
import com.dmdirc.addons.dcc.events.DccChatSocketOpenedEvent;
import com.dmdirc.addons.dcc.io.DCCChat;
import com.dmdirc.events.CommandErrorEvent;
import com.dmdirc.interfaces.CommandController;
import com.dmdirc.events.eventbus.EventBus;
import com.dmdirc.config.provider.AggregateConfigProvider;
import com.dmdirc.ui.core.components.WindowComponent;
import com.dmdirc.ui.input.TabCompleterFactory;
import com.dmdirc.ui.messages.BackBufferFactory;

import java.util.Arrays;

/**
 * This class links DCC Chat objects to a window.
 */
public class ChatContainer extends DCCFrameContainer implements DCCChatHandler {

    /** The DCCChat object we are a window for. */
    private final DCCChat dccChat;
    /** My Nickname. */
    private final String nickname;
    /** Other Nickname. */
    private final String otherNickname;
    /** Event bus to post events on. */
    private final EventBus eventBus;

    /**
     * Creates a new instance of DCCChatWindow with a given DCCChat object.
     *
     * @param dcc                 The DCCChat object this window wraps around
     * @param configManager       Config manager
     * @param commandController   The controller to use in the command parser.
     * @param title               The title of this window
     * @param nick                My Current Nickname
     * @param targetNick          Nickname of target
     * @param tabCompleterFactory The factory to use to create tab completers.
     * @param eventBus            The bus to dispatch events on.
     */
    public ChatContainer(
            final DCCChat dcc,
            final AggregateConfigProvider configManager,
            final BackBufferFactory backBufferFactory,
            final CommandController commandController,
            final String title,
            final String nick,
            final String targetNick,
            final TabCompleterFactory tabCompleterFactory,
            final EventBus eventBus) {
        super(title, "dcc-chat-inactive", configManager, backBufferFactory,
                eventBus,
                Arrays.asList(
                        WindowComponent.TEXTAREA.getIdentifier(),
                        WindowComponent.INPUTFIELD.getIdentifier()));
        setInputModel(new DefaultInputModel(
                this::sendLine,
                new DCCCommandParser(configManager, commandController, eventBus),
                tabCompleterFactory.getTabCompleter(configManager),
                () -> 512));
        dccChat = dcc;
        dcc.setHandler(this);
        nickname = nick;
        otherNickname = targetNick;
        this.eventBus = eventBus;
        initBackBuffer();
    }

    /**
     * Get the DCCChat Object associated with this window.
     *
     * @return The DCCChat Object associated with this window
     */
    public DCCChat getDCC() {
        return dccChat;
    }

    private void sendLine(final String line) {
        if (dccChat.isWriteable()) {
            eventBus.publishAsync(new DccChatSelfMessageEvent(this, nickname, line));
            dccChat.sendLine(line);
        } else {
            eventBus.publishAsync(new CommandErrorEvent(this, "Socket is closed."));
        }
    }

    @Override
    public void handleChatMessage(final DCCChat dcc, final String message) {
        eventBus.publishAsync(new DccChatMessageEvent(this, otherNickname, message));
    }

    @Override
    public void socketClosed(final DCCChat dcc) {
        eventBus.publishAsync(new DccChatSocketClosedEvent(this));
        if (!isWindowClosing()) {
            setIcon("dcc-chat-inactive");
        }
    }

    @Override
    public void socketOpened(final DCCChat dcc) {
        eventBus.publishAsync(new DccChatSocketOpenedEvent(this));
        setIcon("dcc-chat-active");
    }

    @Override
    public void close() {
        super.close();
        dccChat.close();
    }

}