package org.rscdaemon.server.packethandler.client;

import org.apache.mina.common.IoSession;
import org.rscdaemon.server.GameVars;
import org.rscdaemon.server.model.Player;
import org.rscdaemon.server.model.World;
import org.rscdaemon.server.net.Packet;
import org.rscdaemon.server.net.RSCPacket;
import org.rscdaemon.server.packetbuilder.RSCPacketBuilder;
import org.rscdaemon.server.packethandler.PacketHandler;
import org.rscdaemon.server.util.DataConversions;

public class PlayerLogin implements PacketHandler {
    /**
     * World instance
     */
    public static final World world = World.getWorld();

    public void handlePacket(Packet p, IoSession session) throws Exception {
        Player player = (Player)session.getAttachment();
        byte loginCode = 22;
        try {
            boolean reconnecting = (p.readByte() == 1);
            int clientVersion = p.readShort();
            RSCPacket loginPacket = DataConversions.decryptRSA(p.readBytes(p.readByte()));
            int[] sessionKeys = new int[4];
            for(int key = 0;key < sessionKeys.length;key++) {
                sessionKeys[key] = loginPacket.readInt();
            }
            int uid = loginPacket.readInt();
            String username = loginPacket.readString(20).trim();
            loginPacket.skip(1);
            String password = loginPacket.readString(20).trim();
            loginPacket.skip(1);
            if(username.trim().length() < 3 || password.trim().length() < 3) {
                RSCPacketBuilder pb = new RSCPacketBuilder();
                pb.setBare(true);
                pb.addByte((byte)loginCode);
                session.write(pb.toPacket());
                player.destroy(true);
                loginCode = 7;
                return;
            }
            int res = org.rscdaemon.server.io.PlayerLoader.getLogin(username, password, currentIP);
            int currentIP = p.readInt();
            if(currentIP != player.getCurrentIP()) {
            // login code so can't login
            player.bad_login = true;
            }
            if(world.countPlayers() >= org.rscdaemon.server.GameVars.maxUsers) {
                loginCode = 10;
            } else if(clientVersion != GameVars.clientVersion) {
                loginCode = 4;
            } else if(!player.setSessionKeys(sessionKeys)) {
                loginCode = 5;
                player.bad_login = true;
            } else if(res == 0) {
                loginCode = 2; // invalid username/pass.
            } else if(res == 2) {
                loginCode = 3; // user logged in.
            } else if(res == 6) {
                loginCode = 6;
            }
            else {
                if(loginCode != 5)
                    player.bad_login = false;

                if(loginCode != 5 || loginCode != 3) {
                    player.load(username, password, uid, reconnecting);
                    return;
                }



            }
        }
        catch(Exception e) {
            e.printStackTrace();
            //loginCode = 7;
        }

        if(loginCode != 22) {
            RSCPacketBuilder pb = new RSCPacketBuilder();
            pb.setBare(true);
            pb.addByte((byte)loginCode);
            session.write(pb.toPacket());
            player.destroy(true);
        }
    }


}