using DragonMose.LoginService.Config;
using DragonMose.LoginService.Data.Version;
using DragonMose.LoginService.Game.Account;
using DragonMose.LoginService.Game.Version;
using DragonMose.LoginService.GameNetwork.Handlers.Server;
using DragonMose.LoginService.GameNetwork.Protocol.Client;
using DragonMose.Networking.GameHandlerTypes;
using System;

namespace DragonMose.LoginService.GameNetwork.Handlers.Client
{
    [GameHandlerClass(GameHandler03Type._Header)]
    public class CH03Handler
    {
        [GameHandler(typeof(CMSG_USER_CLIENT_VERSION_CHECK_REQ_GER))]
        public static void CMSG_USER_CLIENT_VERSION_CHECK_REQ_GER(LoginSession Session, CMSG_USER_CLIENT_VERSION_CHECK_REQ_GER PACKET)
        {
            if (LoginConfiguration.Instance.Info.AllowNewVersion &&
                !VersionDataProvider.GetVersionByHash(PACKET.Version, out VersionData Version) &&
                VersionManager.AddVersion(PACKET.Version, DateTime.Now))
            {
                return;
            }
        }

        [GameHandler(typeof(CMSG_USER_GER_LOGIN_REQ))]
        public static void CMSG_USER_GER_LOGIN_REQ(LoginSession Session, CMSG_USER_GER_LOGIN_REQ GER_LOGIN_PACKET)
        {
            if (!AccountManager.Instance.GetAccountByName(GER_LOGIN_PACKET.UserName, out LoginAccount Account))
            {
                SH03Handler.SMSG_USER_LOGINFAIL_ACK(Session, AUTH_CODE.INVALID_ID_OR_PW);
                return;
            }

            if (!Account.Password.Equals(GER_LOGIN_PACKET.Password))
            {
                SH03Handler.SMSG_USER_LOGINFAIL_ACK(Session, AUTH_CODE.INVALID_ID_OR_PW);
                return;
            }

            if (Account.IsOnline) //Detecting Dublicate...
            {
                if (AccountManager.Instance.GetSession(Account, out LoginSession Dub_Session))
                {
                    SH03Handler.SMSG_USER_CONNECTION_CUT_CMD(Dub_Session);
                    return;
                }
                else
                {
                    InternalNetwork.Handlers.Server.SH03Handler.SMSG_ACCOUNT_LOGIN_DUBLICATE(Account);
                    SH03Handler.SMSG_USER_LOGINFAIL_ACK(Session, AUTH_CODE.LOGIN_FAILED);
                    return;
                }
            }

            if (Session.Region != ClientRegion.DE)
            {
                SH03Handler.SMSG_USER_LOGINFAIL_ACK(Session, AUTH_CODE.WRONG_REGION);
                return;
            }

            if (!Account.IsActivated)
            {
                SH03Handler.SMSG_USER_LOGINFAIL_ACK(Session, AUTH_CODE.AGREEMENT_MISSING);
                return;
            }

            if (Account.IsBanned || Account.BanTime >= 0)
            {
                SH03Handler.SMSG_USER_LOGINFAIL_ACK(Session, AUTH_CODE.BLOCKED);
                return;
            }

            Session.Account = Account;

            if (!AccountManager.Instance.AddSession(Session))
            {
                InternalNetwork.Handlers.Server.SH03Handler.SMSG_ACCOUNT_LOGIN_DUBLICATE(Account);
                SH03Handler.SMSG_USER_LOGINFAIL_ACK(Session, AUTH_CODE.LOGIN_FAILED);
                return;
            }

            if (!AccountManager.Instance.UpdateAccount(Account))
            {
                SH03Handler.SMSG_USER_LOGINFAIL_ACK(Session, AUTH_CODE.DATABASE_ERROR);
                return;
            }
            //All OK We Can Logget in...
            SH03Handler.SMSG_USER_LOGIN_ACK(Session);
        }
    }
}