/*
 * Copyright (c) 2019 GeyserMC. http://geysermc.org
 *
 * 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.
 *
 * @author GeyserMC
 * @link https://github.com/GeyserMC/Geyser
 */

package org.geysermc.connector.network;

import com.github.steveice10.mc.protocol.data.status.ServerStatusInfo;
import com.nukkitx.protocol.bedrock.BedrockPong;
import com.nukkitx.protocol.bedrock.BedrockServerEventHandler;
import com.nukkitx.protocol.bedrock.BedrockServerSession;
import com.nukkitx.protocol.bedrock.v361.Bedrock_v361;
import org.geysermc.api.events.PingEvent;
import org.geysermc.connector.GeyserConnector;
import org.geysermc.connector.configuration.GeyserConfiguration;
import org.geysermc.connector.console.GeyserLogger;
import org.geysermc.connector.network.session.GeyserSession;
import org.geysermc.connector.utils.MessageUtils;

import java.net.InetSocketAddress;

public class ConnectorServerEventHandler implements BedrockServerEventHandler {

    private GeyserConnector connector;

    public ConnectorServerEventHandler(GeyserConnector connector) {
        this.connector = connector;
    }

    @Override
    public boolean onConnectionRequest(InetSocketAddress inetSocketAddress) {
        GeyserLogger.DEFAULT.info(inetSocketAddress + " tried to connect!");
        return true;
    }

    @Override
    public BedrockPong onQuery(InetSocketAddress inetSocketAddress) {
        PingEvent pong = new PingEvent(inetSocketAddress);
        GeyserLogger.DEFAULT.debug(inetSocketAddress + " has pinged you!");
        GeyserConfiguration config = connector.getConfig();
        pong.setEdition("MCPE");
        pong.setGameType("Default");
        pong.setNintendoLimited(false);
        pong.setProtocolVersion(GeyserConnector.BEDROCK_PACKET_CODEC.getProtocolVersion());
        pong.setVersion("1.12.0");

        connector.getPluginManager().runEvent(pong);
        if (connector.getConfig().isPingPassthrough()) {
            ServerStatusInfo serverInfo = connector.getPassthroughThread().getInfo();

            if (serverInfo != null) {
                pong.setMotd(MessageUtils.getBedrockMessage(serverInfo.getDescription()));
                pong.setSubMotd(config.getBedrock().getMotd2());
                pong.setPlayerCount(serverInfo.getPlayerInfo().getOnlinePlayers());
                pong.setMaximumPlayerCount(serverInfo.getPlayerInfo().getMaxPlayers());
            }
        } else {
            pong.setPlayerCount(1);
            pong.setMaximumPlayerCount(config.getMaxPlayers());
            pong.setMotd(config.getBedrock().getMotd1());
            pong.setSubMotd(config.getBedrock().getMotd2());
        }

        BedrockPong c = new BedrockPong();

        c.setEdition(pong.getEdition());
        c.setGameType(pong.getGameType());
        c.setNintendoLimited(pong.isNintendoLimited());
        c.setProtocolVersion(pong.getProtocolVersion());
        c.setVersion(pong.getVersion());

        c.setMotd(pong.getMotd());
        c.setSubMotd(pong.getSubMotd());
        c.setPlayerCount(pong.getPlayerCount());
        c.setMaximumPlayerCount(pong.getMaximumPlayerCount());

        return c;

    }

    @Override
    public void onSessionCreation(BedrockServerSession bedrockServerSession) {
        bedrockServerSession.setLogging(true);
        bedrockServerSession.setPacketHandler(new UpstreamPacketHandler(connector, new GeyserSession(connector, bedrockServerSession)));
        bedrockServerSession.addDisconnectHandler((x) -> GeyserLogger.DEFAULT.warning("Bedrock user with ip: " + bedrockServerSession.getAddress().getAddress() + " has disconnected for reason " + x));
        bedrockServerSession.setPacketCodec(Bedrock_v361.V361_CODEC);
    }
}