using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace SharpChat.Packet {
    public class LegacyCommandResponse : ServerPacket {
        public bool IsError { get; private set; }
        public string StringId { get; private set; }
        public IEnumerable<object> Arguments { get; private set; }

        public LegacyCommandResponse(
            string stringId,
            bool isError = true,
            params object[] args
        ) {
            IsError = isError;
            StringId = stringId;
            Arguments = args;
        }

        public override IEnumerable<string> Pack() {
            StringBuilder sb = new();

            if(StringId == LCR.WELCOME) {
                sb.Append('7');
                sb.Append('\t');
                sb.Append('1');
                sb.Append('\t');
                sb.Append(DateTimeOffset.Now.ToUnixTimeSeconds());
                sb.Append("\t-1\tChatBot\tinherit\t\t");
            } else {
                sb.Append('2');
                sb.Append('\t');
                sb.Append(DateTimeOffset.Now.ToUnixTimeSeconds());
                sb.Append("\t-1\t");
            }

            sb.Append(IsError ? '1' : '0');
            sb.Append('\f');
            sb.Append(StringId == LCR.WELCOME ? LCR.BROADCAST : StringId);

            if(Arguments?.Any() == true)
                foreach(object arg in Arguments) {
                    sb.Append('\f');
                    sb.Append(arg);
                }

            sb.Append('\t');

            if(StringId == LCR.WELCOME) {
                sb.Append(StringId);
                sb.Append("\t0");
            } else
                sb.Append(SequenceId);

            sb.Append("\t10010");
            /*sb.AppendFormat(
                "\t1{0}0{1}{2}",
                Flags.HasFlag(ChatMessageFlags.Action) ? '1' : '0',
                Flags.HasFlag(ChatMessageFlags.Action) ? '0' : '1',
                Flags.HasFlag(ChatMessageFlags.Private) ? '1' : '0'
            );*/

            yield return sb.ToString();
        }
    }

    // Abbreviated class name because otherwise shit gets wide
    public static class LCR {
        public const string GENERIC_ERROR = "generr";
        public const string COMMAND_NOT_FOUND = "nocmd";
        public const string COMMAND_NOT_ALLOWED = "cmdna";
        public const string COMMAND_FORMAT_ERROR = "cmderr";
        public const string WELCOME = "welcome";
        public const string BROADCAST = "say";
        public const string IP_ADDRESS = "ipaddr";
        public const string USER_NOT_FOUND = "usernf";
        public const string SILENCE_SELF = "silself";
        public const string SILENCE_HIERARCHY = "silperr";
        public const string SILENCE_ALREADY = "silerr";
        public const string TARGET_SILENCED = "silok";
        public const string SILENCED = "silence";
        public const string UNSILENCED = "unsil";
        public const string TARGET_UNSILENCED = "usilok";
        public const string NOT_SILENCED = "usilerr";
        public const string UNSILENCE_HIERARCHY = "usilperr";
        public const string NAME_IN_USE = "nameinuse";
        public const string CHANNEL_INSUFFICIENT_HIERARCHY = "ipchan";
        public const string CHANNEL_INVALID_PASSWORD = "ipwchan";
        public const string CHANNEL_NOT_FOUND = "nochan";
        public const string CHANNEL_ALREADY_EXISTS = "nischan";
        public const string CHANNEL_NAME_INVALID = "inchan";
        public const string CHANNEL_CREATED = "crchan";
        public const string CHANNEL_DELETE_FAILED = "ndchan";
        public const string CHANNEL_DELETED = "delchan";
        public const string CHANNEL_PASSWORD_CHANGED = "cpwdchan";
        public const string CHANNEL_HIERARCHY_CHANGED = "cprivchan";
        public const string USERS_LISTING_ERROR = "whoerr";
        public const string USERS_LISTING_CHANNEL = "whochan";
        public const string USERS_LISTING_SERVER = "who";
        public const string INSUFFICIENT_HIERARCHY = "rankerr";
        public const string MESSAGE_DELETE_ERROR = "delerr";
        public const string KICK_NOT_ALLOWED = "kickna";
        public const string USER_NOT_BANNED = "notban";
        public const string USER_UNBANNED = "unban";
        public const string FLOOD_WARN = "flwarn";
    }
}