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(loginCode);
				session.write(pb.toPacket());
				player.destroy(true);
				loginCode = 7;
				return;
			}

			if (world.countPlayers() >= org.rscdaemon.server.GameVars.maxUsers) {
				loginCode = 10;
				if (loginCode != 22) {
					RSCPacketBuilder pb = new RSCPacketBuilder();
					pb.setBare(true);
					pb.addByte(loginCode);
					session.write(pb.toPacket());
					player.destroy(true);
				}
				return;
			} else if (clientVersion != GameVars.clientVersion) {
				loginCode = 4;
				if (loginCode != 22) {
					RSCPacketBuilder pb = new RSCPacketBuilder();
					pb.setBare(true);
					pb.addByte(loginCode);
					session.write(pb.toPacket());
					player.destroy(true);
				}
				return;
			} else if (!player.setSessionKeys(sessionKeys)) {
				loginCode = 5;
				player.bad_login = true;
				if (loginCode != 22) {
					RSCPacketBuilder pb = new RSCPacketBuilder();
					pb.setBare(true);
					pb.addByte(loginCode);
					session.write(pb.toPacket());
					player.destroy(true);
				}
				return;
			}

			int res = org.rscdaemon.server.io.PlayerLoader.getLogin(username,
					password, session);
			if (res == 50) {
				RSCPacketBuilder pb = new RSCPacketBuilder();
				pb.setBare(true);
				pb.addByte((byte) 50);
				session.write(pb.toPacket());
				player.destroy(true);
				return;
			}
			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(loginCode);
			session.write(pb.toPacket());
			player.destroy(true);
		}
	}

}