using Bunny.Core;
using Bunny.Enums;
using Bunny.Packet.Assembled;

namespace Bunny.Packet.Disassemble
{
    class Login
    {
        [PacketHandler(Operation.MatchLoginNHN, PacketFlags.None)]
        public static void ProcessLgoinRequest(Client client, PacketReader packetReader)
        {
            var user = packetReader.ReadString();
            var pass = packetReader.ReadString();
            var version = packetReader.ReadInt32();
            var checksum = packetReader.ReadInt32();
            var totalSize = packetReader.ReadInt32();
            var blobSize = packetReader.ReadInt32();
            var blobCount = packetReader.ReadInt32();
            var md5 = new byte[blobSize*blobCount];

            packetReader.Read(md5, 0, blobSize);

            if (blobSize > 32)
            {
                client.Disconnect();
                return;
            }

            if (!Globals.AcceptedString.IsMatch(user) || !Globals.AcceptedString.IsMatch(pass))
            {
                Match.ResponseLogin(client, Results.LoginAuthenticationFailed, user, UGradeId.Guest, PGradeId.Free, new Muid(0,0));
                return;
            }

            Database.GetAccount(user, pass, ref client.ClientPlayer.PlayerAccount);

            if (client.ClientPlayer.PlayerAccount.AccountId == 0)
            {
                Match.ResponseLogin(client, Results.LoginIncorrectPassword, user, UGradeId.Guest, PGradeId.Free, new Muid(0, 0));
                return;
            }

            if (client.ClientPlayer.PlayerAccount.Access == UGradeId.Banned || client.ClientPlayer.PlayerAccount.Access == UGradeId.Criminal)
            {
                Match.ResponseLogin(client, Results.LoginBannedId, user, UGradeId.Guest, PGradeId.Free, new Muid(0, 0));
                return;
            }

            if (version != Globals.Config.Client.Version)
            {
                Match.ResponseLogin(client, Results.LoginInvalidVersion, user, UGradeId.Guest, PGradeId.Free, new Muid(0, 0));
                return;
            }

            if (Globals.Config.Client.UseCrc)
            {
                if ((checksum^0) != Globals.Config.Client.FileList)
                {
                    Match.ResponseLogin(client, Results.LoginInvalidVersion, user, UGradeId.Guest, PGradeId.Free, new Muid(0, 0));
                    return;
                }
            }

            client.ClientFlags = PacketFlags.Login;
            Match.ResponseLogin(client, Results.Accepted, user, UGradeId.Guest, PGradeId.Free, client.ClientPlayer.PlayerId);
        }
    }
}