using Google.Protobuf;
using Google.Protobuf.WellKnownTypes;


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


namespace GameServer.PacketHandler;

[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.C2GS_REQ_ENTITY_STATE_DANCE_START), typeof(EntityStateDanceStartPacketHandler), typeof(GameLoginListener))]
public class EntityStateDanceStartPacketHandler : PacketRecvHandler
{

    public override async Task<Result> onProcessPacket(ISession entityWithSession, IMessage recvMessage)
    {
        var result = new Result();
        var err_msg = string.Empty;

        var player = entityWithSession as Player;
        ArgumentNullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!!");
        var game_msg = recvMessage as ClientToGame;
        ArgumentNullReferenceCheckHelper.throwIfNull(game_msg, () => $"game_msg is null !!! - {player.toBasicString()}");
        var request = game_msg.Request.ReqEntityStateDanceStart;
        ArgumentNullReferenceCheckHelper.throwIfNull(request, () => $"request is null !!! - {player.toBasicString()}");

        var meta_guid = request.MetaGuid;
        if (meta_guid == null) meta_guid = string.Empty;
        
        var meta_id = request.MetaId;
        
        var player_action = player.getEntityAction<PlayerAction>();
        NullReferenceCheckHelper.throwIfNull(player_action, () => $"player_action is null !!! - {player.toBasicString()}");
        
        var selected_character = player_action.getSelectedCharacter();
        NullReferenceCheckHelper.throwIfNull(selected_character, () => $"selected_character is null !!! - {player.toBasicString()}");

        var character_action = selected_character.getEntityAction<CharacterAction>();
        NullReferenceCheckHelper.throwIfNull(character_action, () => $"character_action is null !!! - {player.toBasicString()}");

        var game_zone_action = player.getEntityAction<GameZoneAction>();
        NullReferenceCheckHelper.throwIfNull(game_zone_action, () => $"game_zone_action is null !!!");
        
        //var server_logic = GameServerApp.getServerLogic();
        
        
        var character_attribute = selected_character.getEntityAttribute<CharacterAttribute>();
        NullReferenceCheckHelper.throwIfNull(character_attribute, () => $"character_attribute is null !!!");

        var origin_state = character_attribute.StateInfo.StateType;
            
        character_action.setStateInfo(EntityStateType.Dancing, meta_guid, meta_id);

        send_C2GS_ACK_ENTITY_STATE_DANCE_START(player, result, meta_id);
        
        /*
        댄스 상태는 휘발성 상태로 판단하여 트랜잭션 처리하지 않고 메모리에서만 판단
        추후 사이드 이펙트 있을경우를 대비해 당분간 코드는 주석으로 남겨놓음 25년 2월 이후 삭제 예정 24-12-03
        var fn_change_entity_state_type = async delegate()
        {
            var character_attribute = selected_character.getEntityAttribute<CharacterAttribute>();
            NullReferenceCheckHelper.throwIfNull(character_attribute, () => $"character_attribute is null !!!");

            var origin_state = character_attribute.StateInfo.StateType;
            
            character_action.setStateInfo(EntityStateType.Dancing, meta_guid, meta_id);
            character_attribute.modifiedEntityAttribute();
            
            var batch = new QueryBatchEx<QueryRunnerWithDocument>( player, LogActionType.DanceEntityStateStart
                , server_logic.getDynamoDbClient()
                , true);
            {
                batch.addQuery(new DBQWriteToAttributeAllWithTransactionRunner());
            }
            
            //log 추가
            batch.appendBusinessLog(new ChangeDanceEntityStateBusinessLog(origin_state, EntityStateType.Dancing, meta_guid, meta_id));
            
            result = await QueryHelper.sendQueryAndBusinessLog(batch);
            if (result.isFail())
            {
                send_C2GS_ACK_ENTITY_STATE_DANCE_START(player, result, meta_id);
                return result;
            }
            send_C2GS_ACK_ENTITY_STATE_DANCE_START(player, result, meta_id);
            

            return result;
        };
        
        result = await player.runTransactionRunnerSafely(TransactionIdType.PrivateContents, "ChangeEntityStateType", fn_change_entity_state_type);
        if (result.isFail())
        {
            err_msg = $"Failed to runTransactionRunnerSafely() !!! : {result.toBasicString()} - {player.toBasicString()}";
            ServerCore.Log.getLogger().error(err_msg);
            return result;
        }*/
        character_action.broadcastCharacterInfo();
        
        var invokers = new List<ILogInvoker>();
        var log_action = new LogActionEx(LogActionType.DanceEntityStateStart);
        invokers.Add(new ChangeDanceEntityStateBusinessLog(origin_state, EntityStateType.Dancing, meta_guid, meta_id));
        BusinessLogger.collectLogs(log_action, player, invokers);

        await Task.CompletedTask;
        
        return result;
    }

    

    public static bool send_C2GS_ACK_ENTITY_STATE_DANCE_START(Player player, Result result, UInt32 metaId)
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();

        ack_packet.Response.ErrorCode = result.ErrorCode;
        ack_packet.Response.AckEntityStateDanceStart = new();
        ack_packet.Response.AckEntityStateDanceStart.MetaId = metaId;
        if (false == GameServerApp.getServerLogic().onSendPacket(player, ack_packet))
        {
            return false;
        }

        return true;
    }
}