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

using ServerCore;
using ServerBase;
using ServerCommon;

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


namespace GameServer.PacketHandler;

[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.C2GS_REQ_CUSTOM_DEFINED_UI_UPDATE), typeof(CustomDefinedUiUpdatePacketHandler), typeof(GameLoginListener))]
public class CustomDefinedUiUpdatePacketHandler : PacketRecvHandler
{
    public static bool send_S2C_ACK_CUSTOM_DEFINED_UI_UPDATE(Player player, Result result, Dictionary<string, string> deletedUiDatas )
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();

        ack_packet.Response.ErrorCode = result.ErrorCode;
        ack_packet.Response.AckCustomDefinedUIUpdate = new();
        ack_packet.Response.AckCustomDefinedUIUpdate.UpdatedUiDatas.Add(deletedUiDatas.toMapField());

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

        return true;
    }

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

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

        var recv_packet = recvMessage as ClientToGame;
        NullReferenceCheckHelper.throwIfNull(recv_packet, () => $"recv_packet is null !!! - {player.toBasicString()}");

        var request = recv_packet.Request.ReqCustomDefinedUIUpdate;

        var server_logic = GameServerApp.getServerLogic();

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


        var fn_custom_defined_ui_update = async delegate ()
        {
            var result = new Result();
            var err_msg = string.Empty;

            var to_update_custom_defined_uis = request.ToUpdateUiDatas;

            foreach (var each in to_update_custom_defined_uis)
            {
                var ui_key = each.Key;
                var ui_value = each.Value;

                result = await custom_defined_ui_action.tryUpdateCustomDefinedUi(ui_key, ui_value);
                if(result.isFail())
                {
                    send_S2C_ACK_CUSTOM_DEFINED_UI_UPDATE(player, result, new Dictionary<string, string>());
                    return result;
                }
            }

            var batch = new QueryBatchEx<QueryRunnerWithDocument>( player, LogActionType.UpdateCustomDefineUi
                                                                 , server_logic.getDynamoDbClient());
            {
                batch.addQuery(new DBQWriteToAttributeAllWithTransactionRunner());
                batch.addQuery(new QueryFinal());
            }

            result = await QueryHelper.sendQueryAndBusinessLog(batch);
            if (result.isFail())
            {
                send_S2C_ACK_CUSTOM_DEFINED_UI_UPDATE(player, result, new Dictionary<string, string>());
                return result;
            }

            send_S2C_ACK_CUSTOM_DEFINED_UI_UPDATE(player, result, to_update_custom_defined_uis.toDictionary());
            return result;
        };

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

        return result;
    }
}