using Google.Protobuf.WellKnownTypes;
using Nettention.Proud

;
using ServerCore;
using ServerBase;
using ServerCommon;
using ServerCommon.BusinessLogDomain;
using MetaAssets;


using USER_GUID = System.String;


namespace GameServer;

public class GlobalPartyDetailAction : EntityActionBase
{
    public GlobalPartyDetailAction(GlobalPartyDetail owner) : base(owner)
    {
    }

    public override async Task<Result> onInit()
    {
        await Task.CompletedTask;

        var result = new Result();

        return result;
    }

    public override void onClear()
    {
        return;
    }

    public async Task<Result> keepParty()
    {
        // 1. party keep
        var party_action = getOwner().getEntityAction<GlobalPartyDetailInfoAction>();
        NullReferenceCheckHelper.throwIfNull(party_action, () => $"GlobalPartyDetailInfoAction is null !!! - {getOwner().toBasicString()}");
        await party_action.keep();
        
        // 2. party member keep
        var party_member_action = getOwner().getEntityAction<GlobalPartyDetailMemberAction>();
        NullReferenceCheckHelper.throwIfNull(party_member_action, () => $"GlobalPartyDetailMemberAction is null !!! - {getOwner().toBasicString()}");
        await party_member_action.keep();
        
        // 3. party server keep
        var party_server_action = getOwner().getEntityAction<GlobalPartyDetailServerAction>();
        NullReferenceCheckHelper.throwIfNull(party_server_action, () => $"GlobalPartyDetailServerAction is null !!! - {getOwner().toBasicString()}");
        await party_server_action.keep();
        
        // 4. party invite send keep
        var party_invite_send_action = getOwner().getEntityAction<GlobalPartyInvitePartySendAction>();
        NullReferenceCheckHelper.throwIfNull(party_invite_send_action, () => $"GlobalPartyInvitePartySendAction is null !!! - {getOwner().toBasicString()}");
        await party_invite_send_action.keep();
        
        // 5. party instance keep
        var party_instance_action = getOwner().getEntityAction<GlobalPartyDetailInstanceAction>();
        NullReferenceCheckHelper.throwIfNull(party_instance_action, () => $"GlobalPartyDetailInstanceAction is null !!! - {getOwner().toBasicString()}");
        await party_instance_action.keep();

        return new Result();
    }
    
    public bool isLeader(USER_GUID user_guid)
    {
        var detail = getOwner() as GlobalPartyDetail;
        NullReferenceCheckHelper.throwIfNull(detail, () => $"global party detail is null !!! - {getOwner().toBasicString()}");

        var party_attribute = detail.getEntityAttribute<PartyAttribute>();
        NullReferenceCheckHelper.throwIfNull(party_attribute, () => $"PartyAttribute is null !!! - user guid:{user_guid}, {detail.toBasicString()}");

        return party_attribute.PartyLeaderCharGuid == user_guid;
    }

    public USER_GUID getLeaderGuid()
    {
        var detail = getOwner() as GlobalPartyDetail;
        NullReferenceCheckHelper.throwIfNull(detail, () => $"global party detail is null !!! - {getOwner().toBasicString()}");

        var party_attribute = detail.getEntityAttribute<PartyAttribute>();
        NullReferenceCheckHelper.throwIfNull(party_attribute, () => $"PartyAttribute is null !!! - {detail.toBasicString()}");

        return party_attribute.PartyLeaderCharGuid;
    }

    public string getLeaderNickname()
    {
        var detail = getOwner() as GlobalPartyDetail;
        NullReferenceCheckHelper.throwIfNull(detail, () => $"global party detail is null !!! - {getOwner().toBasicString()}");

        var party_attribute = detail.getEntityAttribute<PartyAttribute>();
        NullReferenceCheckHelper.throwIfNull(party_attribute, () => $"PartyAttribute is null !!! - {detail.toBasicString()}");

        return party_attribute.PartyLeaderNickname;
    }

    public async Task<(Result result, string change_leader_guid)> changePartyLeader()
    {
        var result = new Result();

        var party = getOwner() as GlobalPartyDetail;
        NullReferenceCheckHelper.throwIfNull(party, () => $"global party detail is null !!! - {getOwner().toBasicString()}");

        var party_member_attribute = party.getEntityAttribute<PartyMemberAttribute>();
        NullReferenceCheckHelper.throwIfNull(party_member_attribute, () => $"PartyMemberAttribute is null !! - party_guid:{party.PartyGuid}");

        // 1. 파티장 자동 변경 ( 조건 1. jointime 이 가장 오래된 유저 )
        var origin_leader_guid = getLeaderGuid();
        var next_leader_guid = origin_leader_guid;
        var join_time = DateTime.UtcNow.ToTimestamp();
        
        foreach (var member in party_member_attribute.getPartyMembers())
        {
            if (origin_leader_guid == member.Value.UserGuid) continue;
            if (join_time < member.Value.JoinTime) continue;

            next_leader_guid = member.Value.UserGuid;
            join_time = member.Value.JoinTime;
        }
        
        // 2. 파티장 변경 처리
        var party_detail_info_action = party.getEntityAction<GlobalPartyDetailInfoAction>();
        NullReferenceCheckHelper.throwIfNull(party_detail_info_action, () => $"GlobalPartyDetailInfoAction is null !! - party_guid:{party.PartyGuid}");
        result = await party_detail_info_action.changePartyLeader(next_leader_guid, true);
        
        // 3. 파티장 변경 알림
        var message = new ServerMessage
        {
            ChangePartyLeaderNoti = new ServerMessage.Types.ChangePartyLeaderNoti()
            {
                PartyGuid = party.PartyGuid,
                NewPartyLeaderGuid = next_leader_guid
            }
        };
        PartyHelper.BroadcastToServers(party, message, false);

        return (result, next_leader_guid);
    }

    public HostID getP2PHostId()
    {
        var party_attribute = getOwner().getEntityAttribute<PartyAttribute>();
        ArgumentNullException.ThrowIfNull(party_attribute);

        return party_attribute.P2PGroup;
    }

    public void sendPartyInstance(USER_GUID user_guid)
    {
        var result = new Result();
        
        var party_instance_attribute = getOwner().getEntityAttribute<PartyInstanceAttribute>();
        NullReferenceCheckHelper.throwIfNull(party_instance_attribute, () => $"PartyInstanceAttribute is null !! - {getOwner().toBasicString()}");

        if (party_instance_attribute.InstanceId <= 0) {
            return;
        }
        
        var client_message = new ClientToGame();
        client_message.Message = new();
        client_message.Message.PartyInstanceInfoNoti = new();
        client_message.Message.PartyInstanceInfoNoti.InstanceId = party_instance_attribute.InstanceId;
        client_message.Message.PartyInstanceInfoNoti.StartTime = party_instance_attribute.StartTime;
        client_message.Message.PartyInstanceInfoNoti.EndTime = party_instance_attribute.EndTime;
        client_message.Message.PartyInstanceInfoNoti.JoinMemberCount = party_instance_attribute.JoinMemberCount;
        client_message.Message.PartyInstanceInfoNoti.IsEnd = party_instance_attribute.InstanceId == 0 ? BoolType.True : BoolType.False;

        var player_manager = GameServerApp.getServerLogic().getPlayerManager();
        if (! player_manager.tryGetUserByPrimaryKey(user_guid, out var user_entity) || null == user_entity)
        {
            var err_msg = $"Failed to send party instance !!! : not logged in server - {user_guid}";
            result.setFail(ServerErrorCode.UserNotLogin,err_msg);
            Log.getLogger().error(err_msg);
            
            return;
        }

        PartyHelper.sendToClient(client_message, user_entity.getHostId());
    }
    
    public async Task<Result> sendPartyInfo(IReadOnlyList<USER_GUID> sendUsers, USER_GUID leaderGuid, bool exceptAnotherServer)
    {
        var party = getOwner() as GlobalPartyDetail;
        NullReferenceCheckHelper.throwIfNull(party, () => $"party is null !!");

        var party_info_action = party.getEntityAction<GlobalPartyDetailInfoAction>();
        NullReferenceCheckHelper.throwIfNull(party_info_action, () => $"GlobalPartyDetailInfoAction is null !! - {party.toBasicString()}");

        var party_member_action = party.getEntityAction<GlobalPartyDetailMemberAction>();
        NullReferenceCheckHelper.throwIfNull(party_member_action, () => $"GlobalPartyDetailMemberAction is null !! - {party.toBasicString()}");
        
        var player_manager = GameServerApp.getServerLogic().getPlayerManager();
        foreach (var send in sendUsers)
        {
            if (player_manager.tryGetUserByPrimaryKey(send, out var player))
            {
                var client_message = new ClientToGame();
                client_message.Message = new();
                client_message.Message.JoinPartyInfoNoti = new();
                client_message.Message.JoinPartyInfoNoti.PartyName = party_info_action.getPartyName();
                client_message.Message.JoinPartyInfoNoti.PartyLeaderGuid = getLeaderGuid();
                client_message.Message.JoinPartyInfoNoti.PartyLeaderNickname = getLeaderNickname();
                client_message.Message.JoinPartyInfoNoti.PartyMemberList.AddRange(party_member_action.getMembers4PartyInfo().ToList());

                if (leaderGuid != send)
                {
                    client_message.Message.JoinPartyInfoNoti.ServerConnectInfo = await tryMoveToLeaderServer(leaderGuid, send);
                }

                if (null == player) continue;

                PartyHelper.sendToClient(client_message, player.getHostId());

                await QuestManager.It.QuestCheck(player, new QuestParty(EQuestEventTargetType.PARTY, EQuestEventNameType.ENTERED));
                continue;
            }

            if (exceptAnotherServer) continue;
            
            var server_message = new ServerMessage();
            server_message.NtfPartyInfo = new();
            server_message.NtfPartyInfo.PartyGuid = party.PartyGuid;
            server_message.NtfPartyInfo.PartyMemberGuids.Add(send);

            await PartyHelper.sendToServerByTargetClient(send, server_message);
        }

        return await Task.FromResult(new Result());
    }

    public async Task<Result> joinPartyP2PGroup(USER_GUID user_guid)
    {
        var result = new Result();
        var player_manager = GameServerApp.getServerLogic().getPlayerManager();
        if (! player_manager.tryGetUserByPrimaryKey(user_guid, out var user_entity))
        {
            var err_msg = $"Failed to join party p2p group !!! : not logged in server - {user_guid}";
            result.setFail(ServerErrorCode.UserNotLogin,err_msg);
            Log.getLogger().error(err_msg);
            
            return result;
        }

        var p2p_group = getP2PHostId();
        GameServerApp.getServerLogic().getProudNetListener().getNetServer().JoinP2PGroup(user_entity.getHostId(), p2p_group);
                
        var client_message = new ClientToGame();
        client_message.Message = new();
        client_message.Message.PartyP2PGroupHostIdNoti = new();
        client_message.Message.PartyP2PGroupHostIdNoti.PartyP2PGroupHostId = (int)p2p_group;
            
        PartyHelper.sendToClient(client_message, user_entity.getHostId());
        
        return await Task.FromResult(new Result());
    }

    public async Task<Result> checkPartyP2PState(USER_GUID userGuid, bool isJoin, bool includeSendingMe)
    {
        // 1. 타 유저에게 내 정보 전송
        _ = await sendPartyP2PState(userGuid, isJoin);

        if (!includeSendingMe) return await Task.FromResult(new Result());
        
        // 2. 타 유저들의 정보를 내게 전송
        var party = getOwner() as GlobalPartyDetail;
        NullReferenceCheckHelper.throwIfNull(party, () => "GlobalPartyDetail is null");

        var party_member_action = party.getEntityAction<GlobalPartyDetailMemberAction>();
        NullReferenceCheckHelper.throwIfNull(party_member_action, () => $"GlobalPartyDetailMemberAction is null !! - {party.toBasicString()}");

        var player_manager = GameServerApp.getServerLogic().getPlayerManager();

        var client_message = new ClientToGame();
        client_message.Message = new();
        client_message.Message.PartyMemberP2PStateNoti = new();
        
        var members = party_member_action.getMembers();
        foreach (var member in members)
        {
            if (member == userGuid) continue;
            client_message.Message.PartyMemberP2PStateNoti.MemberGuid = member;
            client_message.Message.PartyMemberP2PStateNoti.IsP2P = player_manager.tryGetUserByPrimaryKey(member, out _) ? BoolType.True : BoolType.False;
            PartyHelper.sendToClient(client_message, userGuid);
        }

        return await Task.FromResult(new Result());
    }
    
    private async Task<Result> sendPartyP2PState(USER_GUID userGuid, bool isJoin)
    {
        var client_message = new ClientToGame();
        client_message.Message = new();
        client_message.Message.PartyMemberP2PStateNoti = new();
        client_message.Message.PartyMemberP2PStateNoti.MemberGuid = userGuid;
        client_message.Message.PartyMemberP2PStateNoti.IsP2P = isJoin ? BoolType.True : BoolType.False;

        var party = getOwner() as GlobalPartyDetail;
        NullReferenceCheckHelper.throwIfNull(party, () => "GlobalPartyDetail is null");

        PartyHelper.BroadcastToClients(party, client_message, new List<USER_GUID> { userGuid });
        return await Task.FromResult(new Result());
    }

    public bool leavePartyP2PGroup(USER_GUID user_guid)
    {
        var player_manager = GameServerApp.getServerLogic().getPlayerManager();
        if (player_manager.tryGetUserByPrimaryKey(user_guid, out var user))
        {
            return GameServerApp.getServerLogic().getProudNetListener().getNetServer().LeaveP2PGroup(user.getHostId(), getP2PHostId());   
        }

        return false;
    }
    
    public bool destroyPartyP2PGroup()
    {
        var p2p_group = getP2PHostId();
        return GameServerApp.getServerLogic().getProudNetListener().getNetServer().DestroyP2PGroup(p2p_group);
    }
    
    public async Task<Result> createPartyDetailInfo(string leader_guid, string leader_nickname)
    {
        var result = new Result();
        var party = getOwner() as GlobalPartyDetail;
        if (null == party)
        {
            var err_msg = $"Fail to get entity base : {nameof(GlobalPartyDetail)}";
            result.setFail(ServerErrorCode.EntityBaseNotFound, err_msg);
            Log.getLogger().error(err_msg);
            
            return result;
        }
        
        // 1. party 정보 create
        var party_info_action = party.getEntityAction<GlobalPartyDetailInfoAction>();
        NullReferenceCheckHelper.throwIfNull(party_info_action, () => $"GlobalPartyDetailInfoAction is null !! - {party.toBasicString()}");
        result = await party_info_action.createParty(leader_guid, leader_nickname);
        if (result.isFail()) return result;
        
        // 2. leader member 정보 설정
        var party_member_action = party.getEntityAction<GlobalPartyDetailMemberAction>();
        NullReferenceCheckHelper.throwIfNull(party_member_action, () => $"GlobalPartyDetailMemberAction is null !! - {party.toBasicString()}");
        var change = await party_member_action.changeMember(PartyHelper.makePartyMember(leader_guid, leader_nickname));
        if (change.result.isFail()) return result;
        
        // 3. party server 정보 설정
        var party_server_action = party.getEntityAction<GlobalPartyDetailServerAction>();
        NullReferenceCheckHelper.throwIfNull(party_server_action, () => $"GlobalPartyDetailServerAction is null !! - {party.toBasicString()}");
        result = await party_server_action.addPartyServer(GameServerApp.getServerLogic().getServerName());
        if (result.isFail()) return result;

        return result;
    }

    public async Task<Result> loadAllFromCache()
    {
        var result = new Result();
        var party = getOwner() as GlobalPartyDetail;
        ArgumentNullException.ThrowIfNull(party);
        
        // 1. party 정보 Load
        result = await loadPartyCache();
        if (result.isFail()) return result;
        
        // 2. party member 정보 Load
        result = await loadPartyMemberCache();
        if (result.isFail()) return result;
        
        // 3. party server 정보 Load
        result = await loadPartyServerCache();
        if (result.isFail()) return result;
        
        // 4. party invite send 정보 load
        result = await loadPartyInvitePartySendCache();
        if (result.isFail()) return result;
        
        // 5. party instance 정보 load ( 없을 수 있으므로 result 무시 )
        _ = await loadPartyInstanceCache();
        
        return result;
    }

    public async Task<Result> loadPartyCache()
    {
        var party = getOwner() as GlobalPartyDetail;
        NullReferenceCheckHelper.throwIfNull(party, () => "GlobalPartyDetail is null");
        
        var party_info_action = party.getEntityAction<GlobalPartyDetailInfoAction>();
        NullReferenceCheckHelper.throwIfNull(party_info_action, () => $"GlobalPartyDetailInfoAction is null !! - {party.toBasicString()}");
        var result = await party_info_action.loadParty();

        return result;
    }
    
    public async Task<Result> loadPartyMemberCache()
    {
        var party = getOwner() as GlobalPartyDetail;
        NullReferenceCheckHelper.throwIfNull(party, () => "GlobalPartyDetail is null");
        
        var party_member_action = party.getEntityAction<GlobalPartyDetailMemberAction>();
        NullReferenceCheckHelper.throwIfNull(party_member_action, () => $"GlobalPartyDetailMemberAction is null !! - {party.toBasicString()}");
        var result = await party_member_action.loadPartyMember();

        return result;
    }

    private async Task<Result> loadPartyServerCache()
    {
        var party = getOwner() as GlobalPartyDetail;
        NullReferenceCheckHelper.throwIfNull(party, () => "GlobalPartyDetail is null");
        
        var party_server_action = party.getEntityAction<GlobalPartyDetailServerAction>();
        NullReferenceCheckHelper.throwIfNull(party_server_action, () => $"GlobalPartyDetailServerAction is null !! - {party.toBasicString()}");
        var result = await party_server_action.loadPartyServer();
        
        return result;
    }

    private async Task<Result> loadPartyInvitePartySendCache()
    {
        var party = getOwner() as GlobalPartyDetail;
        NullReferenceCheckHelper.throwIfNull(party, () => "GlobalPartyDetail is null");
        
        var party_invite_party_send_action = party.getEntityAction<GlobalPartyInvitePartySendAction>();
        NullReferenceCheckHelper.throwIfNull(party_invite_party_send_action, () => $"GlobalPartyInvitePartySendAction is null !! - {party.toBasicString()}");
        var result = await party_invite_party_send_action.loadPartyInvitePartySend(party.PartyGuid);

        return result;
    }

    private async Task<Result> loadPartyInstanceCache()
    {
        var party = getOwner() as GlobalPartyDetail;
        NullReferenceCheckHelper.throwIfNull(party, () => "GlobalPartyDetail is null");
        
        var party_instance_action = party.getEntityAction<GlobalPartyDetailInstanceAction>();
        NullReferenceCheckHelper.throwIfNull(party_instance_action, () => $"GlobalPartyDetailInstanceAction is null !! - {party.toBasicString()}");
        var result = await party_instance_action.loadPartyInstance();
        
        return result;
    }

    private async Task<ServerConnectInfo?> tryMoveToLeaderServer(USER_GUID leaderGuid, USER_GUID userGuid)
    {
        var server_logic = GameServerApp.getServerLogic();
        var result = new Result();
        string err_msg;
        
        // 1. party leader 세션 체크
        var leader_login_cache = await PartyHelper.getOtherUserLoginCache(leaderGuid);
        if (null == leader_login_cache)
        {
            err_msg = $"Failed to get party leader session !!! - {leaderGuid}";
            result.setFail(ServerErrorCode.NotFoundParty, err_msg);
            Log.getLogger().error(err_msg);
            return null;
        }
        
        // 2. 조건 체크
        if (false == await checkConditionLeaderServer(leader_login_cache.CurrentServer)) return null;
        
        // 3. 서버 정보 조회
        (result, var server_info) = await server_logic.getServerInfoByServerName(leader_login_cache.CurrentServer);
        if (null == server_info) return null;
        if (server_info.Sessions + server_info.Reservation + server_info.ReturnCount >= server_info.Capacity)
        {
            return null;
        }
        
        // 4. 예약 요청
        var message = new ServerMessage.Types.GS2GS_REQ_RESERVATION_ENTER_TO_SERVER();
        message.MoveType = ServerMoveType.Force;
        message.RequestServerName = server_logic.getServerName();
        message.RequestUserGuid = userGuid;

        var reserved = await server_logic.getReservationManager().registerReservationEnterToServer(message, server_info.Name);
        
        // 5. 예약 실패 체크
        if (null == reserved)
        {
            err_msg = $"Failed to reservation enter to game server!!! - {server_info.Name}";
            Log.getLogger().error(err_msg);
            result.setFail(ServerErrorCode.FailedToReservationEnter, err_msg);

            return null;
        }
        
        // 6. 이동 처리
        var player_manager = server_logic.getPlayerManager();
        if (!player_manager.tryGetUserByPrimaryKey(userGuid, out var player)) return null;

        result = await player.runTransactionRunnerSafely(TransactionIdType.PrivateContents, "JoinParty", moveDelegate);
        if (result.isFail())
        {
            Log.getLogger().error(result.toBasicString());
            return null;
        }
        
        // 7. 이동 정보 체크
        var account_attribute = player.getEntityAttribute<AccountAttribute>();
        ArgumentNullException.ThrowIfNull(account_attribute);

        var res = new ServerConnectInfo();
        res.ServerAddr = account_attribute.ToConnectGameServerAddress.IP;
        res.ServerPort = account_attribute.ToConnectGameServerAddress.Port;
        res.Otp = account_attribute.OtpForServerConnect;
        
        return res;

        async Task<Result> moveDelegate() => await moveAsync(player, server_info);
    }

    private async Task<bool> checkConditionLeaderServer(string leaderServerName)
    {
        var server_logic = GameServerApp.getServerLogic();

        (var result, var leader_server) = await server_logic.getServerInfoByServerName(leaderServerName);
        if (null == leader_server) return false;
        
        // 1. join user 가 channel 에 있는지 확인
        if (server_logic.getServerType().toServerType() != ServerType.Channel) return false;
        
        // 2. leader 와 동일한 channel 서버에 있는지 확인
        if (leaderServerName == server_logic.getServerName()) return false;
        
        // 3. leader 가 channel 에 있는지 확인
        if (leaderServerName.toServerType() != ServerType.Channel) return false;
        
        // 4. leader 와 동일한 world id 에 있는지 확인
        if (server_logic.getWorldId() != leader_server.WorldId) return false;

        return true;
    }

    private async Task<Result> moveAsync(Player player, ServerInfo serverInfo)
    {
        // 1. 파티 리더 위치로 이동 ( to Channel )
        var result = await GameZoneMoveHelper.moveToAnotherChannel(player, serverInfo, null);
        if (result.isFail()) return result;

        var batch = new QueryBatchEx<QueryRunnerWithDocument>(player, LogActionType.None, GameServerApp.getServerLogic().getDynamoDbClient());
        {
            batch.addQuery(new DBQWriteToAttributeAllWithTransactionRunner());
            batch.addQuery(new QueryFinal());
        }

        return await QueryHelper.sendQueryAndBusinessLog(batch);
    }
}