package electrosphere.net.server;

import electrosphere.entity.types.creature.CreatureTemplate;
import electrosphere.entity.types.creature.CreatureUtils;
import electrosphere.entity.Entity;
import electrosphere.entity.EntityUtils;
import electrosphere.entity.state.ironsight.IronSightTree;
import electrosphere.entity.types.item.ItemUtils;
import electrosphere.entity.types.attach.AttachUtils;
import electrosphere.entity.types.collision.CollisionObjUtils;
import electrosphere.logger.LoggerInterface;
import electrosphere.main.Globals;
import electrosphere.main.Main;
import electrosphere.net.NetUtils;
import electrosphere.net.parser.net.message.AuthMessage;
import electrosphere.net.parser.net.message.EntityMessage;
import electrosphere.net.parser.net.message.NetworkMessage;
import electrosphere.net.parser.net.message.PlayerMessage;
import electrosphere.net.parser.net.message.ServerMessage;
import electrosphere.net.parser.net.raw.NetworkParser;
import electrosphere.net.server.protocol.ServerProtocol;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.math.BigInteger;
import java.net.Socket;
import java.net.SocketException;
import java.nio.ByteBuffer;
import java.security.spec.RSAKeyGenParameterSpec;
import java.util.Properties;
import java.util.Random;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.crypto.spec.SecretKeySpec;
import org.joml.Vector3f;

/**
 *
 * @author satellite
 */
public class ServerConnectionHandler implements Runnable {
    
    static int playerIdIncrementer = 0;
    
    Socket socket;
//    CryptoInputStream inputStream;
//    CryptoOutputStream outputStream;
    InputStream inputStream;
    OutputStream outputStream;
    boolean initialized;
    boolean isAuthenticated = false;
    NetworkParser networkParser;
    int playerID;
    int playerCharacterID;
    CreatureTemplate currentCreatureTemplate;
    
    ServerProtocol serverProtocol;
    
    public ServerConnectionHandler(Socket socket) {
        this.socket = socket;
        playerID = getNewPlayerID();
        LoggerInterface.loggerNetworking.INFO("Player ID: " + playerID);
    }

    @Override
    public void run() {
        LoggerInterface.loggerNetworking.INFO("ServerConnectionHandler start");
        initialized = false;
        try {
            socket.setSoTimeout(100);
        } catch (SocketException ex) {
            ex.printStackTrace();
        }
            //        final SecretKeySpec key = new SecretKeySpec(("1234567890123456").getBytes(),"AES");
//        final Properties properties = new Properties();
//        final RSAKeyGenParameterSpec spec = new RSAKeyGenParameterSpec(4096, BigInteger.probablePrime(4000, new Random()));
//        try {
//            inputStream = new CryptoInputStream("AES/ECB/PKCS5Padding",properties,socket.getInputStream(),key,spec);
//        } catch (IOException ex) {
//            ex.printStackTrace();
//            System.exit(1);
//        }
//        try {
//            outputStream = new CryptoOutputStream("AES/ECB/PKCS5Padding",properties,socket.getOutputStream(),key,spec);
//        } catch (IOException ex) {
//            ex.printStackTrace();
//            System.exit(1);
//        }
        try {
            inputStream = socket.getInputStream();
            outputStream = socket.getOutputStream();
            networkParser = new NetworkParser(inputStream,outputStream);
            serverProtocol = new ServerProtocol(this);
        } catch (IOException ex) {
            ex.printStackTrace();
            System.exit(1);
        }

        networkParser.addOutgoingMessage(ServerMessage.constructPingMessage());
        networkParser.addOutgoingMessage(AuthMessage.constructAuthRequestMessage());

        initialized = true;
        while(Main.isRunning()){
            //attempt poll incoming messages
            networkParser.readMessagesIn();
            //ponder incoming messages
            while(networkParser.hasIncomingMessaage()){
                NetworkMessage message = networkParser.popIncomingMessage();
                serverProtocol.handleMessage(message);
            }
            //push outgoing message
            networkParser.pushMessagesOut();
            try {
                //sleep
                TimeUnit.MILLISECONDS.sleep(1);
            } catch (InterruptedException ex) {
                ex.printStackTrace();
            }
        }
    }
    
    public void setPlayerId(int id){
        playerID = id;
    }

    public int getPlayerId(){
        return playerID;
    }
    
    static int getNewPlayerID(){
        playerIdIncrementer++;
        return playerIdIncrementer;
    }

    public void setPlayerCharacterId(int id){
        playerCharacterID = id;
    }

    public int getPlayerCharacterId(){
        return playerCharacterID;
    }

    public String getIPAddress(){
        return socket.getRemoteSocketAddress().toString();
    }
    
    public void addMessagetoOutgoingQueue(NetworkMessage message){
        switch(message.getType()){
            case ENTITY_MESSAGE:
                switch(((EntityMessage)message).getMessageSubtype()){
                    case MOVEUPDATE:
                        if(((EntityMessage)message).getentityID()==playerCharacterID){
                            //basically don't send the message if this is the player's character and it's a move update
                        } else {
                            networkParser.addOutgoingMessage(message);
                        }
                        break;
                    case ATTACKUPDATE:
                        if(((EntityMessage)message).getentityID()==playerCharacterID){
                            //basically don't send the message if this is the player's character and it's a move update
                        } else {
                            networkParser.addOutgoingMessage(message);
                        }
                        break;
                    case SPAWNCREATURE:
                        break;
                    default:
                        networkParser.addOutgoingMessage(message);
                        break;
                }
                break;
            default:
                networkParser.addOutgoingMessage(message);
                break;
        }
    }

    public void setCreatureTemplate(CreatureTemplate currentCreatureTemplate){
        this.currentCreatureTemplate = currentCreatureTemplate;
    }

    public CreatureTemplate getCurrentCreatureTemplate(){
        return this.currentCreatureTemplate;
    }

}