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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.Core;
using Tango.Core.DI;
using Tango.FSE.Common.Connection;
using Tango.FSE.Common.SystemInfo;
using Tango.PPC.Shared.Information;

namespace Tango.FSE.UI.SystemInfo
{
    public class DefaultSystemInfoProvider : ExtendedObject, ISystemInfoProvider
    {
        private InformationPackage _package;

        private IMachineProvider MachineProvider { get; set; }

        public DefaultSystemInfoProvider(IMachineProvider machineProvider)
        {
            MachineProvider = machineProvider;
            MachineProvider.MachineDisconnected += MachineProvider_MachineDisconnected;
        }

        private void MachineProvider_MachineDisconnected(object sender, MachineDisconnectedEventArgs e)
        {
            _package = null;
        }

        public async Task<InformationPackage> GetSystemInformationPackage()
        {
            if (_package == null)
            {
                var response = await MachineProvider.MachineOperator.SendGenericRequest<GetMachineInformationRequest, GetMachineInformationResponse>(new GetMachineInformationRequest(), new Transport.TransportRequestConfig()
                {
                    Timeout = TimeSpan.FromSeconds(120)
                });

                _package = response.Package;
                return _package;
            }
            else
            {
                return _package;
            }
        }
    }
}