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;



namespace GameServer.PacketHandler;

[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.ElevatorFloorInfoReq), typeof(ElevatorFloorInfoPacketHandler), typeof(GameLoginListener))]
internal class ElevatorFloorInfoPacketHandler : PacketRecvHandler
{
    public static bool send_S2C_ACK_ELEVATOR_FLOOR_INFO(Player owner, Result result, ElevatorFloorInfoRes res)
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();

        ack_packet.Response.ErrorCode = result.ErrorCode;
        ack_packet.Response.ElevatorFloorInfoRes = res;

        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 server_logic = GameServerApp.getServerLogic();

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

        var request = req_msg.Request.ElevatorFloorInfoReq;
        
        var game_zone_action = player.getEntityAction<GameZoneAction>();
        NullReferenceCheckHelper.throwIfNull(game_zone_action, () => $"game_zone_action is null !!! - {player.toBasicString()}");

        (result, var res) = await game_zone_action.tryGetElevatorFloorInfos(request.LandId, request.BuildingId);
        if (result.isFail())
        {
            err_msg = $"Failed to tryGetElevatorFloorInfos() !!! : {result.toBasicString()}";
            Log.getLogger().error(err_msg);

            send_S2C_ACK_ELEVATOR_FLOOR_INFO(player, result, res);
            return result;
        }

        send_S2C_ACK_ELEVATOR_FLOOR_INFO(player, result, res);
        return result;
    }
}