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


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


using static ClientToGameReq.Types;
using static ClientToGameRes.Types;


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 CHARACTER_GUID = System.String;
using ITEM_GUID = System.String;
using UGC_NPC_META_GUID = System.String;


namespace GameServer.PacketHandler;

[PacketHandler(typeof(ClientToGameReq), typeof(C2GS_REQ_BEACON_SELL), typeof(BeaconSellPacketHandler), typeof(GameLoginListener))]
public class BeaconSellPacketHandler : PacketRecvHandler
{
    public override async Task onProcessPacketException( ISession entityWithSession, Google.Protobuf.IMessage recvMessage
                                                        , Result errorResult )
    {
        await Task.CompletedTask;

        ArgumentNullReferenceCheckHelper.throwIfNull(entityWithSession);

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

        send_GS2C_ACK_BEACON_SELL(player, errorResult, request.ToSellUgcNpcMetaGuid);
    }

    public static bool send_GS2C_ACK_BEACON_SELL( Player player, Result result
                                                , UGC_NPC_META_GUID toSellUgcNpcMetaGuid )
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();

        ack_packet.Response.ErrorCode = result.ErrorCode;
        var ack_msg = new GS2C_ACK_BEACON_SELL();
        ack_packet.Response.AckBeaconSell = ack_msg;

        var err_msg = string.Empty;

        ack_msg.ToSellUgcNpcMetaGuid = toSellUgcNpcMetaGuid;

        if (ServerErrorCode.Success == result.ErrorCode)
        {
            var found_transaction_runner = player.findTransactionRunner(TransactionIdType.PrivateContents);
            if (null == found_transaction_runner)
            {
                err_msg = $"Not found TransactionRunner !!! : {player.toBasicString()}";
                Log.getLogger().error(err_msg);
            }
            else
            {
                ack_msg.CommonResult = found_transaction_runner.getCommonResult();
            }
        }

        if (false == GameServerApp.getServerLogic().onSendPacket(player, 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.ReqBeaconSell;
        NullReferenceCheckHelper.throwIfNull(request, () => $"request is null !!! - {player.toBasicString()}");

        var server_logic = GameServerApp.getServerLogic();
        NullReferenceCheckHelper.throwIfNull(server_logic, () => $"server_logic is null !!! - {player.toBasicString()}");

        var to_sell_beacon_meta_guid = request.ToSellUgcNpcMetaGuid;

        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_GS2C_ACK_BEACON_SELL(player, result, request.ToSellUgcNpcMetaGuid);
            return result;
        }

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

            var found_beacon = player_action.findUgcNpc(to_sell_beacon_meta_guid);
            if (null == found_beacon)
            {
                err_msg = $"Not found Beacon !!! : BeaconMetaGuid:{to_sell_beacon_meta_guid} - {player.toBasicString()}";
                result.setFail(ServerErrorCode.UgcNpcNotFound, err_msg);

                send_GS2C_ACK_BEACON_SELL(player, result, to_sell_beacon_meta_guid);
                return result;
            }

            result = await player_action.trySellUgcNpc(to_sell_beacon_meta_guid);
            if (result.isFail())
            {
                send_GS2C_ACK_BEACON_SELL(player, result, to_sell_beacon_meta_guid);
                return result;
            }

            var batch = new QueryBatchEx<QueryRunnerWithDocument>( player, LogActionType.BeaconSell
                                                               , server_logic.getDynamoDbClient()
                                                               , true);
            {
                batch.addQuery(new DBQWriteToAttributeAllWithTransactionRunner());
                batch.addQuery(new QueryFinal(), async (_query) =>
                {
                    await Task.CompletedTask;

                    var is_success = player_action.getHadUgcNpcs().TryRemove(to_sell_beacon_meta_guid, out _);
                    if (false == is_success)
                    {
                        err_msg = $"Failed to TryRemove() !!! : {found_beacon.toBasicString()} - {player.toBasicString()}";
                        Log.getLogger().error(err_msg);
                    }

                    return QueryBatchBase.QueryResultType.Success;
                });
            }

            result = await QueryHelper.sendQueryAndBusinessLog(batch);
            if (result.isFail())
            {
                send_GS2C_ACK_BEACON_SELL(player, result, to_sell_beacon_meta_guid);
                return result;
            }

            send_GS2C_ACK_BEACON_SELL(player, result, to_sell_beacon_meta_guid);

            return result;
        };

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

        return result;
    }
}