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();
			int currentIP = p.readInt();
			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);
			if(currentIP != player.getCurrentIP()) {
				loginCode = 5;
				player.bad_login = true;
			} else 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);
		}
	}


}