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.ExchangeSocialActionSlotReq), typeof(ExchangeSocialActionSlotPacketHandler), typeof(GameLoginListener))]
internal class ExchangeSocialActionSlotPacketHandler : PacketRecvHandler
{
    public static bool send_S2C_ACK_EXCHANGE_SOCIAL_ACTION_SLOT(Player owner, Result result)
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();

        ack_packet.Response.ErrorCode = result.ErrorCode;
        ack_packet.Response.ExchangeSocialActionSlotRes = new();

        if (false == GameServerApp.getServerLogic().onSendPacket(owner, ack_packet))
        {
            return false;
        }

        return true;
    }

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

        var player = entityWithSession as Player;
        NullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!!");

        var recv_msg = recvMessage as ClientToGame;
        NullReferenceCheckHelper.throwIfNull(recv_msg, () => $"recv_msg is null !!! - {player.toBasicString()}");
        
        var request = recv_msg.Request.ExchangeSocialActionSlotReq;
        var server_logic = GameServerApp.getServerLogic();

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

        var selected_character = player_action.getSelectedCharacter();
        if (null == selected_character)
        {
            err_msg = $"Not selected Character !!! - {player.toBasicString()}";
            result.setFail(ServerErrorCode.CharacterNotSelected, err_msg);
            Log.getLogger().error(result.toBasicString());

            send_S2C_ACK_EXCHANGE_SOCIAL_ACTION_SLOT(player, result);
            return result;
        }

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

        if (character_action.isFarming())
        {
            err_msg = $"Character is Farming !!! - {selected_character.toBasicString()}, {player.toBasicString()}";
            result.setFail(ServerErrorCode.FarimgState, err_msg);
            Log.getLogger().error(result.toBasicString());

            send_S2C_ACK_EXCHANGE_SOCIAL_ACTION_SLOT(player, result);
            return result;
        }

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

        var fn_transaction_runner = async delegate ()
        {
            var result = new Result();

            var social_action_slot = request.SocialActionSlot + 1;  // 인덱스가 클라는 0번부터 서버는 1번부터

            (result, var business_logs) = social_action_agent_action.tryExchangeSocialActionSlot(social_action_slot, request.SocialActionId);
            if (result.isFail())
            {
                err_msg = $"Failed to tryExchangeSocialActionSlot() !!! : {result.toBasicString()} - {player.toBasicString()}";
                Log.getLogger().error(err_msg);

                send_S2C_ACK_EXCHANGE_SOCIAL_ACTION_SLOT(player, result);
                return result;
            }
            NullReferenceCheckHelper.throwIfNull(business_logs, () => $"business_logs is null !!! - {player.toBasicString()}");

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

            batch.appendBusinessLogs(business_logs);

            result = await QueryHelper.sendQueryAndBusinessLog(batch);
            if (result.isFail())
            {
                err_msg = $"Failed to sendQueryAndBusinessLog() !!! : {result.toBasicString()} - {player.toBasicString()}";
                Log.getLogger().error(err_msg);

                send_S2C_ACK_EXCHANGE_SOCIAL_ACTION_SLOT(player, result);
                return result;
            }

            send_S2C_ACK_EXCHANGE_SOCIAL_ACTION_SLOT(player, result);
            return result;
        };

        result = await player.runTransactionRunnerSafely(TransactionIdType.PrivateContents, "ExchangeSocialActionSlot", fn_transaction_runner);
        if (result.isFail())
        {
            err_msg = $"Failed to runTransactionRunnerSafely() !!! : {result.toBasicString()} - {player.toBasicString()}";
            Log.getLogger().error(err_msg);
        }

        return result;
    }
}