using charger_gui.operations;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO.Ports;
using System.Windows.Media;

namespace charger_gui
{
	class MainWindowViewModel : INotifyPropertyChanged
	{
		private List<string> ports;
		public List<string> Ports
		{
			get
			{
				if (ports == null)
				{
					FillPorts();
				}
				return ports;
			}
		}

		private float iAcc;
		public float IAcc
		{
			get
			{
				return iAcc;
			}
			set
			{
				iAcc = value; 
				OnPropertyChanged("IAcc");
			}
		}

		private float u2;
		public float U2
		{
			get
			{
				return u2;
			}
			set
			{
				u2 = value;
				OnPropertyChanged("U2");
 			}
		}

		private float u3;
		public float U3
		{
			get
			{
				return u3;
			}
			set
			{
				u3 = value;
				OnPropertyChanged("U3");
			}
		}

		private float u4;
		public float U4
		{
			get
			{
				return u4;
			}
			set
			{
				u4 = value;
				OnPropertyChanged("U4");
			}
		}

		private float u5;
		public float U5
		{
			get
			{
				return u5;
			}
			set
			{
				u5 = value;
				OnPropertyChanged("U5");
			}
		}

		private bool isConnected;
		public bool IsConnected
		{
			set 
			{
				if (isConnected != value)
				{
					isConnected = value;
					OnPropertyChanged("ConnectionStatus");
				}
			}
		}
		private Brush connectedBrush = new SolidColorBrush(Color.FromRgb(0, 255, 0));
		private Brush notConnectedBrush = new SolidColorBrush(Color.FromRgb(255, 0, 0));

		public Brush ConnectionStatus
		{
			get
			{
				if (isConnected) return connectedBrush;
				else return notConnectedBrush;
			}
		}

		private bool isCharging;
		public bool IsCharging
		{
			get { return isCharging; }
			set
			{
				if (isCharging != value)
				{
					isCharging = value;
					OnPropertyChanged("ChargeStatus");
				}
			}

		}
		public Brush ChargeStatus
		{
			get
			{
				if (isCharging) return connectedBrush;
				else return notConnectedBrush;
			}
		}
		private bool isLampOn;
		public bool IsLampOn
		{
			get { return isLampOn; }
			set
			{
				if (isLampOn != value)
				{
					isLampOn = value;
					OnPropertyChanged("LampStatus");
				}
			}
		}
		public Brush LampStatus
		{
			get
			{
				if (isLampOn) return connectedBrush;
				else return notConnectedBrush;
			}
		}

		private AutomaticOperation currentOperation;
		public AutomaticOperation CurrentOperation
		{
			get
			{
				return currentOperation;
			}
			set
			{
				if (currentOperation != null)
				{
					currentOperation.StatusChanged -= OnCurrentOperationStatusChanged;
				}
				currentOperation = value;
				if (currentOperation != null)
				{
					currentOperation.StatusChanged += OnCurrentOperationStatusChanged;
				}
				OnPropertyChanged("OperationStatus");
			}
		}

		private void OnCurrentOperationStatusChanged()
		{
			OnPropertyChanged("OperationStatus");
		}

		public string OperationStatus
		{
			get
			{
				if (currentOperation == null) return "MANUAL MODE";
				return currentOperation.Status;
			}
		}

		public int TrainDuration { get; set; }

		private void FillPorts()
		{
			ports = new List<string>(SerialPort.GetPortNames());
		}

		public event PropertyChangedEventHandler PropertyChanged;
		public void OnPropertyChanged(string name = null)
		{
			PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
		}
	}
}