namespace Common.UI.ViewModels
{
    using Common.UI.Infrastructure;

    using System.Collections.ObjectModel;
    using System.Windows.Input;

    public class ManualProgrammingVM : VM<ManualProgrammingVM>
    {
        private readonly string[] comPorts;

        public ManualProgrammingVM()
        {
            this.comPorts = Appsettings.GetSIRTComPorts();
            this.Logging = new ObservableCollection<string>();
            this.ActivateSIRTS = new Command(this.ActivateSIRTSCommand);
        }

        public ICommand ActivateSIRTS { get; }

        public ObservableCollection<string> Logging { get; }

        private void ActivateSIRTSCommand()
        {
            this.InvokeTaskAsync(() =>
            {
                this.Logging.Clear();

                foreach (var comPort in comPorts)
                {
                    this.InvokeTaskAsync(() =>
                    {
                        var portName = comPort;
                        var sirtId = default(string);
                        var frequency = default(int);

                        AppHost.SIRTHub.Close(comPort);

                        for (var i = 0; i < 3 && !AppHost.SIRTHub.TryOpen(comPort, out sirtId, out frequency); i++)
                        {
                            this.Logging.Add($"{comPort} - {frequency} - {sirtId}");
                        }

                        this.Logging.Add($"{comPort} - {frequency} - {sirtId}");
                    });
                }
            });
        }
    }
}