using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using CommunityToolkit.Mvvm.Messaging;
using Heisig.HMI.AdsManager;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using System.Windows;
using System.Windows.Controls;
using Common;
using InfineonHMI.Common;
using TcEventLoggerAdsProxyLib;

namespace InfineonHMI;

public sealed partial class MachineOverviewPageVM : ObservableObject, IRecipient<NavigateMessage>, IDisposable
{

	[ObservableProperty] private StringControlButtonVM dummyStringVM;

	[ObservableProperty] private Page currentDetailPage;

	[ObservableProperty] private PackMLControlVM machinePackMLControlVM;

	public bool CanUserChangePageAlignment 
	{
		get { return currentUser.UserLevel > 50; }
	}

	public bool CanUserChangePageEtching1
	{
		get { return currentUser.UserLevel > 50; }
	}
	public bool CanUserChangePageEtching2
	{
		get { return currentUser.UserLevel > 50; }
	}
	public bool CanUserChangePageHighVoltage
	{
		get { return currentUser.UserLevel > 50; }
	}
	public bool CanUserChangePageHotCoolplate
	{
		get { return currentUser.UserLevel > 50; }
	}
	public bool CanUserChangePageKukaRobot
	{
		get { return currentUser.UserLevel > 50; }
	}
	public bool CanUserChangePageMediaCabinet
	{
		get { return currentUser.UserLevel > 50; }
	}
	public bool CanUserChangePageNIOStation
	{
		get { return currentUser.UserLevel > 50; }
	}
	public bool CanUserChangePageProductionOverview
	{
		get { return currentUser.UserLevel > 50; }
	}
	public bool CanUserChangePageReceipe
	{
		get { return currentUser.UserLevel == 100; }
	}
	public bool CanUserChangePageTrayFeeder
	{
		get { return currentUser.UserLevel > 50; }
	}
	public bool CanUserChangeMachineState
	{
		get { return currentUser.UserLevel > 50; }
	}


	private readonly IAdsManager _adsManager;
	private readonly IConfiguration _config;

	private User currentUser;
	// Last active event
	[ObservableProperty] private string currentActiveEvent = "";
	
	// Empty page
	private readonly Page _emptyPage;

	// Last navigate message
	private readonly Stack<NavigateMessage> _messageStack = new();
	NavigateMessage? _currentMessage;
	
	// Hot Coolplate page view model
	HotCoolPlatePageVM? _hotCoolplatePageVM;

	AlignmentStationPageVM? _alignmentStationPageVM;

	EtchingStation1PageVM? _etchingStation1PageVm;

	EtchingStation2PageVM? _etchingStation2PageVm;

	HighVoltageStationPageVM? _highVoltageStationPageVm;

	MediaCabinetPageVM? _mediaCabinetPageVM;

	NIOStationPageVM? _nioStationPageVm;

	TrayFeederPageVM? _trayFeederPageVm;

	private ProductionOverviewPageVM? _prodVM;

	private MainWindowVM _mainVm;

	// Kuka Robot page view model
	KukaRobotPageVM? _kukaRobotPageVM;

	public MachineOverviewPageVM()
	{
		// default ctor
		MachinePackMLControlVM = new(); 
		MachinePackMLControlVM.STitle = "Betriebszustand\n Gesamtanlage";

		currentUser = Users.getCurrentUser();
	}
	public MachineOverviewPageVM(IAdsManager adsManager, IConfiguration config,MainWindowVM mainVm, ProductionOverviewPageVM prodVm, TcEventLogger eventLogger)
	{
		_adsManager = adsManager;
		_config = config;
		_prodVM = prodVm;
		_mainVm = mainVm;
		// Create dummy string
		DummyStringVM = new StringControlButtonVM();

		currentUser = Users.getCurrentUser();
		MachinePackMLControlVM = new(_adsManager, "GVL_SCADA.stMachine.stMachineCmds");

		MachinePackMLControlVM.STitle = "Betriebszustand\n Gesamtanlage";
		// Create empty page
		_emptyPage = new();

		CurrentDetailPage = _emptyPage;
		_currentMessage = new NavigateMessage("", typeof(Page));
		_messageStack.Push(_currentMessage);

		WeakReferenceMessenger.Default.Register<NavigateMessage>(this);

		//CanUserChangePageAlignment          = currentUser.UserLevel > 50;
		//CanUserChangePageEtching1           = currentUser.UserLevel > 50;
		//CanUserChangePageEtching2           = currentUser.UserLevel > 50;
		//CanUserChangePageHighVoltage        = currentUser.UserLevel > 50;
		//CanUserChangePageHotCoolplate       = currentUser.UserLevel > 50;
		//CanUserChangePageKukaRobot          = currentUser.UserLevel > 50;
		//CanUserChangePageMediaCabinet       = currentUser.UserLevel > 50;
		//CanUserChangePageNIOStation         = currentUser.UserLevel > 50;
		//CanUserChangePageProductionOverview = currentUser.UserLevel > 50;
		//CanUserChangePageReceipe            = currentUser.UserLevel == 100;
		//CanUserChangePageTrayFeeder         = currentUser.UserLevel > 50;
		//CanUserChangeMachineState           = currentUser.UserLevel > 50;




	}

	

	[RelayCommand]
	public void TrayfeederPageClicked()
	{

		NavigateMessage message = new("", typeof(ProductionOverviewPage));
		NavigateMessage nextMessage = new("", typeof(TrayFeederPage));
		this.Dispose();
		_mainVm?.NavigateFromOuterPage(message, nextMessage);
		
	}

	[RelayCommand]
	public void AlignerPageClicked()
	{
		NavigateMessage message = new("", typeof(ProductionOverviewPage));
		NavigateMessage nextMessage = new("", typeof(AlignmentStationPage));
		this.Dispose();
		_mainVm?.NavigateFromOuterPage(message, nextMessage);
	}

	[RelayCommand]
	public void Etching1PageClicked()
	{
		NavigateMessage message = new("", typeof(ProductionOverviewPage));
		NavigateMessage nextMessage = new("", typeof(EtchingStation1Page));
		this.Dispose();
		_mainVm?.NavigateFromOuterPage(message, nextMessage);
	}

	[RelayCommand]
	public void Etching2PageClicked()
	{
		NavigateMessage message = new("", typeof(ProductionOverviewPage));
		NavigateMessage nextMessage = new("", typeof(EtchingStation2Page));
		this.Dispose();
		_mainVm?.NavigateFromOuterPage(message, nextMessage);
	}

	[RelayCommand]
	public void HVTestPageClicked()
	{
		NavigateMessage message = new("", typeof(ProductionOverviewPage));
		NavigateMessage nextMessage = new("", typeof(HighVoltageStationPage));
		this.Dispose();
		_mainVm?.NavigateFromOuterPage(message, nextMessage);
	}

	[RelayCommand]
	public void HotCoolplatePageClicked()
	{
		NavigateMessage message = new("", typeof(ProductionOverviewPage));
		NavigateMessage nextMessage = new("", typeof(HotCoolPlatePage));
		this.Dispose();
		_mainVm?.NavigateFromOuterPage(message, nextMessage);
	}

	[RelayCommand]
	public void NIOStationPageClicked()
	{
		NavigateMessage message = new("", typeof(ProductionOverviewPage));
		NavigateMessage nextMessage = new("", typeof(NIOStationPage));
		this.Dispose();
		_mainVm?.NavigateFromOuterPage(message, nextMessage);
	}



	[RelayCommand]
    public void KukaPageClicked()
    {
		NavigateMessage message = new("", typeof(ProductionOverviewPage));
		NavigateMessage nextMessage = new("", typeof(KukaRobotPage));
		this.Dispose();
		_mainVm?.NavigateFromOuterPage(message, nextMessage);
	}

	[RelayCommand]
	public void MediaCabinetPageClicked()
	{
		NavigateMessage message = new("", typeof(ProductionOverviewPage));
		NavigateMessage nextMessage = new("", typeof(MediaCabinetPage));
		this.Dispose();
		_mainVm?.NavigateFromOuterPage(message, nextMessage);
	}

	// Only use for forward traversal!
    public void Receive(NavigateMessage message)
    {
        // Only change page if its a new page type
        if (CurrentDetailPage.GetType() == message.type)
            return;

        // Push current message
        if (_currentMessage != null)
            _messageStack.Push(_currentMessage);

        // Save current message for later push
        _currentMessage = message;

        // Set can navigate back

        Navigate(message);
    }

    private void Navigate(NavigateMessage message)
    {
        // Dispose current pages viewmodel
        if (CurrentDetailPage.DataContext is IDisposable viewModel)
        {
	        CurrentDetailPage.DataContext = null;
            viewModel.Dispose();
        }


        // Create new page
        switch (message.type.Name)
        {
            case nameof(TrayFeederPage):
	            if (_trayFeederPageVm == null)
					_trayFeederPageVm = new(_adsManager, "GVL_SCADA.stMachine"); //In and Out ist set directly in ViewModel

				TrayFeederPage trayFeederPage = new() { DataContext = _trayFeederPageVm };
                CurrentDetailPage = trayFeederPage;
	            break;

            case nameof(AlignmentStationPage):
                // Create seetings page view model only once
                if (_alignmentStationPageVM == null)
					_alignmentStationPageVM = new(_adsManager, "GVL_SCADA.stMachine.stAligner");

				AlignmentStationPage settingsPage = new() { DataContext = _alignmentStationPageVM };
                CurrentDetailPage = settingsPage;
                break;

            case nameof(EtchingStation1Page):
	            if (_etchingStation1PageVm == null)
					_etchingStation1PageVm = new(_adsManager, "GVL_SCADA.stMachine.stEtcher1");

				EtchingStation1Page etchingStation1Page = new() { DataContext = _etchingStation1PageVm };
	            CurrentDetailPage = etchingStation1Page;
	            break;

            case nameof(EtchingStation2Page):
	            if (_etchingStation2PageVm == null)
					_etchingStation2PageVm = new(_adsManager, "GVL_SCADA.stMachine.stEtcher2");

				EtchingStation2Page etchingStation2Page = new() { DataContext = _etchingStation2PageVm };
	            CurrentDetailPage = etchingStation2Page;
	            break;

            case nameof(HighVoltageStationPage):
	            if (_highVoltageStationPageVm == null)
					_highVoltageStationPageVm = new(_adsManager, "GVL_SCADA.stMachine.stHVTester"); // Hot/Cold is Set directly in VM

				HighVoltageStationPage highVoltageStationPage = new() { DataContext = _highVoltageStationPageVm };
	            CurrentDetailPage = highVoltageStationPage;
	            break;

			case nameof(HotCoolPlatePage):
                if (_hotCoolplatePageVM == null)
					_hotCoolplatePageVM = new(_adsManager, "GVL_SCADA.stMachine"); //".stHotplate /.stCoolplate is set directly in VM

				HotCoolPlatePage hotCoolPlatePage = new() {DataContext = _hotCoolplatePageVM };
                CurrentDetailPage = hotCoolPlatePage;
                break;

			case nameof(NIOStationPage):
				if (_nioStationPageVm == null)
					_nioStationPageVm = new(_adsManager, "GVL_SCADA.stMachine.stNOK");

				NIOStationPage nIOStationPage = new() { DataContext = _nioStationPageVm };
				CurrentDetailPage = nIOStationPage;
				break;

			case nameof(KukaRobotPage):
                // Create page view model only once
                if (_kukaRobotPageVM == null)
					_kukaRobotPageVM = new(_adsManager); // Variablenames are set directly in Viewmodel

				KukaRobotPage kukaRobotPage = new() { DataContext = _kukaRobotPageVM };
                CurrentDetailPage = kukaRobotPage;
                break;

            case nameof(MediaCabinetPage):
                if (_mediaCabinetPageVM == null)
					_mediaCabinetPageVM = new(_adsManager, "GVL_SCADA.stMachine.stMediaCabinet"); //TODO not Implemented on PLC yet

				MediaCabinetPage mediaCabinetPage = new() { DataContext= _mediaCabinetPageVM };
                CurrentDetailPage = mediaCabinetPage;
                break;

            default:
	            CurrentDetailPage = new Page();
                break;
        }
    }

	[RelayCommand]
    private void AckAlarms()
    {
        _adsManager.WriteValue("GVL_SCADA.stConfirmAlarmsBtn.xRequest", true);
    }

    public void Dispose()
    {
        // Dispose current pages viewmodel
        if (CurrentDetailPage.DataContext is IDisposable viewModel)
        {
	        CurrentDetailPage.DataContext = null;
            viewModel.Dispose();
        }

        DummyStringVM.Dispose();
    }
}