sharp-chat/SharpChat/Packet/UserChannelJoinPacket.cs

using System;

namespace SharpChat.Packet {
    public class UserChannelJoinPacket : ServerPacket {
        private readonly long UserId;
        private readonly string UserName;
        private readonly ChatColour UserColour;
        private readonly int UserRank;
        private readonly ChatUserPermissions UserPerms;

        public UserChannelJoinPacket(
            long userId,
            string userName,
            ChatColour userColour,
            int userRank,
            ChatUserPermissions userPerms
        ) {
            UserId = userId;
            UserName = userName ?? throw new ArgumentNullException(nameof(userName));
            UserColour = userColour;
            UserRank = userRank;
            UserPerms = userPerms;
        }

        public override string Pack() {
            return string.Format(
                "5\t0\t{0}\t{1}\t{2}\t{3} {4} {5} {6} {7}\t{8}",
                UserId,
                UserName,
                UserColour,
                UserRank,
                UserPerms.HasFlag(ChatUserPermissions.KickUser) ? 1 : 0,
                UserPerms.HasFlag(ChatUserPermissions.ViewLogs) ? 1 : 0,
                UserPerms.HasFlag(ChatUserPermissions.SetOwnNickname) ? 1 : 0,
                UserPerms.HasFlag(ChatUserPermissions.CreateChannel) ? (
                    UserPerms.HasFlag(ChatUserPermissions.SetChannelPermanent) ? 2 : 1
                ) : 0,
                SequenceId
            );
        }
    }
}