using System;

namespace SharpChat.SockChat.PacketsS2C {
    public class MessageAddLogS2CPacket : ISockChatS2CPacket {
        private readonly long MessageId;
        private readonly DateTimeOffset TimeStamp;
        private readonly long UserId;
        private readonly string UserName;
        private readonly Colour UserColour;
        private readonly int UserRank;
        private readonly UserPermissions UserPerms;
        private readonly string Body;
        private readonly bool IsAction;
        private readonly bool IsPrivate;
        private readonly bool IsBroadcast; // this should be MessageBroadcastLogPacket
        private readonly bool Notify;

        public MessageAddLogS2CPacket(
            long messageId,
            DateTimeOffset timeStamp,
            long userId,
            string userName,
            Colour userColour,
            int userRank,
            UserPermissions userPerms,
            string body,
            bool isAction,
            bool isPrivate,
            bool isBroadcast,
            bool notify
        ) {
            MessageId = messageId;
            TimeStamp = timeStamp;
            UserId = userId < 0 ? -1 : userId;
            UserName = userName;
            UserColour = userColour;
            UserRank = userRank;
            UserPerms = userPerms;
            Body = body;
            IsAction = isAction;
            IsPrivate = isPrivate;
            IsBroadcast = isBroadcast;
            Notify = notify;
        }

        public string Pack() {
            string body = SockChatUtility.SanitiseMessageBody(Body);
            if(IsAction)
                body = string.Format("<i>{0}</i>", body);

            if(IsBroadcast)
                body = "0\fsay\f" + body;

            string userPerms = UserId < 0 ? string.Empty : string.Format(
                "{0} {1} {2} {3} {4}",
                UserRank,
                UserPerms.HasFlag(UserPermissions.KickUser) == true ? 1 : 0,
                UserPerms.HasFlag(UserPermissions.ViewLogs) == true ? 1 : 0,
                UserPerms.HasFlag(UserPermissions.SetOwnNickname) == true ? 1 : 0,
                UserPerms.HasFlag(UserPermissions.CreateChannel) == true ? (
                    UserPerms.HasFlag(UserPermissions.SetChannelPermanent) == true ? 2 : 1
                ) : 0
            );

            return string.Format(
                "7\t1\t{0}\t{1}\t{2}\t{3}\t{4}\t{5}\t{6}\t{7}\t{8}{9}{10}{11}{12}",
                TimeStamp.ToUnixTimeSeconds(),
                UserId,
                UserName,
                UserColour,
                userPerms,
                body,
                MessageId,
                Notify ? 1 : 0,
                1,
                IsAction ? 1 : 0,
                0,
                IsAction ? 0 : 1,
                IsPrivate ? 1 : 0
            );
        }
    }
}