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


using ServerCore; using ServerBase;
using ServerCommon;


using SESSION_ID = System.Int32;
using WORLD_META_ID = System.UInt32;
using META_ID = System.UInt32;
using ENTITY_GUID = System.String;
using ACCOUNT_ID = System.String;
using OWNER_GUID = System.String;
using USER_GUID = System.String;
using NICKNAME = System.String;
using CHARACTER_GUID = System.String;
using ITEM_GUID = System.String;


namespace GameServer
{
    public class PlayerManager : UserManagerBase<USER_GUID, NICKNAME, Player>
    {
        public PlayerManager() { }

        public async Task logoutUserAllByKick()
        {
            var users = getUsers().Values.ToList();

            foreach (var user in users)
            {
                await kickUserByUserGuid(user.getUserGuid(), LogoutReasonType.ExitToService);
            }
        }

        public async Task<bool> kickUserByNickname(string name)
        {
            await Task.CompletedTask;

            if (false == tryGetUserBySubKey(name, out var found_user))
            {
                var err_msg = $"Already dicsonnected User !!! : nickname:{name}";
                Log.getLogger().warn(err_msg);
                return false;
            }
            ArgumentNullException.ThrowIfNull(found_user);

            await kickUser(found_user);

            return true;
        }
        
        public async Task<bool> kickUserByUserGuid(USER_GUID userGuid, LogoutReasonType reason = LogoutReasonType.DuplicatedLogin, string reasonDescription = "")
        {
            await Task.CompletedTask;

            if (false == tryGetUserByPrimaryKey(userGuid, out var found_user))
            {
                var err_msg = $"Already dicsonnected User !!! : userGuid:{userGuid}";
                Log.getLogger().warn(err_msg);
                return false;
            }
            ArgumentNullException.ThrowIfNull(found_user);

            await kickUser(found_user, reason, reasonDescription);

            return true;
        }

        private async Task kickUser(Player toKickUser, LogoutReasonType reason = LogoutReasonType.DuplicatedLogin, string reasonDescription = "")
        {
            ArgumentNullException.ThrowIfNull(toKickUser);

            sendLogoutNoti(toKickUser, reason, reasonDescription);

            var game_logout_action = toKickUser.getEntityAction<GameLogoutAction>();
            ArgumentNullException.ThrowIfNull(game_logout_action);

            await game_logout_action.logoutUser();
        }

        public void sendLogoutNoti(Player player, LogoutReasonType reason, string reasonDescription)
        {
            ClientToGame gs2cMessage = new ClientToGame();
            gs2cMessage.Message = new ClientToGameMessage();
            gs2cMessage.Message.NtfLogout = new ClientToGameMessage.Types.GS2C_NTF_LOGOUT();
            gs2cMessage.Message.NtfLogout.LogoutReason = reason;
            gs2cMessage.Message.NtfLogout.ReasonMessage = reasonDescription;

            player.sendPacket(gs2cMessage);
        }
    }
}