using System.IO;
using System.Windows;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Messaging;
using Livia.Models;
using Livia.Utility;
using Livia.Utility.DependencyInjection;
using Livia.ViewModels;
using Microsoft.Extensions.DependencyInjection;

namespace MdpC6.ViewModels;

public class MdpC6ControlViewModel : ObservableRecipient, ILiviaControlViewModel, IRecipient<DataLoadedMessage>
{
    public ImageRotationViewerControlViewModel BrainLobesImageRotationViewerControlViewModel { get; }
    public ImageRotationViewerControlViewModel ArterialTerritoriesImageRotationViewerControlViewModel { get; }
    public ImageRotationViewerControlViewModel LimbicSystemImageRotationViewerControlViewModel { get; }

    public PerfusionDataGridControlViewModel CerebrumCerebellumPerfusionDataGridControlViewModel { get; }
    public PerfusionDataGridControlViewModel BrainLobesPerfusionDataGridControlViewModel { get; }
    public PerfusionDataGridControlViewModel ArterialTerritoriesPerfusionDataGridControlViewModel { get; }
    public PerfusionDataGridControlViewModel LimbicSystemPerfusionDataGridControlViewModel { get; }

    //public RoiSummaryControlViewModel LeftAnteriorRoiSummaryControlViewModel { get; }
    //public RoiSummaryControlViewModel RightAnteriorRoiSummaryControlViewModel { get; }
    //public RoiSummaryControlViewModel LeftAttRoiSummaryControlViewModel { get; }
    //public RoiSummaryControlViewModel RightAttRoiSummaryControlViewModel { get; }
    //public RoiSummaryControlViewModel LeftAcbvRoiSummaryControlViewModel { get; }
    //public RoiSummaryControlViewModel RightAcbvRoiSummaryControlViewModel { get; }

    public MosaicImageGroupControlViewModel MosaicImageGroupViewModel { get; }
    public IDataBlockLoader DataBlockLoader { get; }
    public int RoiTabSelectedIndex { get => _roiTabSelectedIndex; set => SetProperty(ref _roiTabSelectedIndex, value); }

    private int _roiTabSelectedIndex;

    public MdpC6ControlViewModel(IDataBlockLoader dataBlockLoader)
    {
        WeakReferenceMessenger.Default.RegisterAll(this);
        DataBlockLoader = dataBlockLoader;

        BrainLobesImageRotationViewerControlViewModel = ActivatorUtilities.CreateInstance<ImageRotationViewerControlViewModel>(ServiceProviderFactory.ServiceProvider);
        BrainLobesImageRotationViewerControlViewModel.DisplayName = (string)Application.Current.TryFindResource("BrainLobesRotationViewerName");
        BrainLobesImageRotationViewerControlViewModel.AtlasMaskLoadPath = @"atlas\AnImage_BrainLobes\mask";
        BrainLobesImageRotationViewerControlViewModel.StructLoadPath = "structure";
        BrainLobesImageRotationViewerControlViewModel.StructDataType = ImageRotationViewerDataType.Dicom2D;
        BrainLobesImageRotationViewerControlViewModel.AtlasId = "AnImage_BrainLobes";
        BrainLobesImageRotationViewerControlViewModel.ImageIndexSyncKey = "structure";
        dataBlockLoader.AddViewModel(BrainLobesImageRotationViewerControlViewModel);

        ArterialTerritoriesImageRotationViewerControlViewModel = ActivatorUtilities.CreateInstance<ImageRotationViewerControlViewModel>(ServiceProviderFactory.ServiceProvider);
        ArterialTerritoriesImageRotationViewerControlViewModel.DisplayName = (string)Application.Current.TryFindResource("ArterialTerritoriesRotationViewerName");
        ArterialTerritoriesImageRotationViewerControlViewModel.AtlasMaskLoadPath = @"atlas\AnImage_ArterialTerritories\mask";
        ArterialTerritoriesImageRotationViewerControlViewModel.StructLoadPath = "structure";
        ArterialTerritoriesImageRotationViewerControlViewModel.StructDataType = ImageRotationViewerDataType.Dicom2D;
        ArterialTerritoriesImageRotationViewerControlViewModel.AtlasId = "AnImage_ArterialTerritories";
        ArterialTerritoriesImageRotationViewerControlViewModel.ImageIndexSyncKey = "structure";
        dataBlockLoader.AddViewModel(ArterialTerritoriesImageRotationViewerControlViewModel);

        LimbicSystemImageRotationViewerControlViewModel = ActivatorUtilities.CreateInstance<ImageRotationViewerControlViewModel>(ServiceProviderFactory.ServiceProvider);
        LimbicSystemImageRotationViewerControlViewModel.DisplayName = (string)Application.Current.TryFindResource("LimbicSystemRotationViewerName");
        LimbicSystemImageRotationViewerControlViewModel.AtlasMaskLoadPath = @"atlas\LimbicSystem\mask";
        LimbicSystemImageRotationViewerControlViewModel.StructLoadPath = "structure";
        LimbicSystemImageRotationViewerControlViewModel.StructDataType = ImageRotationViewerDataType.Dicom2D;
        LimbicSystemImageRotationViewerControlViewModel.AtlasId = "LimbicSystem";
        LimbicSystemImageRotationViewerControlViewModel.ImageIndexSyncKey = "structure";
        dataBlockLoader.AddViewModel(LimbicSystemImageRotationViewerControlViewModel);

        CerebrumCerebellumPerfusionDataGridControlViewModel = ActivatorUtilities.CreateInstance<PerfusionDataGridControlViewModel>(ServiceProviderFactory.ServiceProvider);
        CerebrumCerebellumPerfusionDataGridControlViewModel.LoadPath = Path.Combine("atlas", "AnImage_CerebrumCerebellum", "cbf.json");
        dataBlockLoader.AddViewModel(CerebrumCerebellumPerfusionDataGridControlViewModel);

        BrainLobesPerfusionDataGridControlViewModel = ActivatorUtilities.CreateInstance<PerfusionDataGridControlViewModel>(ServiceProviderFactory.ServiceProvider);
        BrainLobesPerfusionDataGridControlViewModel.LoadPath = Path.Combine("atlas", "AnImage_BrainLobes", "cbf.json");
        dataBlockLoader.AddViewModel(BrainLobesPerfusionDataGridControlViewModel);

        ArterialTerritoriesPerfusionDataGridControlViewModel = ActivatorUtilities.CreateInstance<PerfusionDataGridControlViewModel>(ServiceProviderFactory.ServiceProvider);
        ArterialTerritoriesPerfusionDataGridControlViewModel.LoadPath = Path.Combine("atlas", "AnImage_ArterialTerritories", "cbf.json");
        dataBlockLoader.AddViewModel(ArterialTerritoriesPerfusionDataGridControlViewModel);

        LimbicSystemPerfusionDataGridControlViewModel = ActivatorUtilities.CreateInstance<PerfusionDataGridControlViewModel>(ServiceProviderFactory.ServiceProvider);
        LimbicSystemPerfusionDataGridControlViewModel.LoadPath = Path.Combine("atlas", "LimbicSystem", "cbf.json");
        dataBlockLoader.AddViewModel(LimbicSystemPerfusionDataGridControlViewModel);

        //LeftAnteriorRoiSummaryControlViewModel = ActivatorUtilities.CreateInstance<RoiSummaryControlViewModel>(ServiceProviderFactory.ServiceProvider);
        //LeftAnteriorRoiSummaryControlViewModel.LoadPath = Path.Combine("roi", "cbf_location_l.json");
        //LeftAnteriorRoiSummaryControlViewModel.RoiTabId = "cbf";
        //dataBlockLoader.AddViewModel(LeftAnteriorRoiSummaryControlViewModel);

        //RightAnteriorRoiSummaryControlViewModel = ActivatorUtilities.CreateInstance<RoiSummaryControlViewModel>(ServiceProviderFactory.ServiceProvider);
        //RightAnteriorRoiSummaryControlViewModel.LoadPath = Path.Combine("roi", "cbf_location_r.json");
        //RightAnteriorRoiSummaryControlViewModel.RoiTabId = "cbf";
        //dataBlockLoader.AddViewModel(RightAnteriorRoiSummaryControlViewModel);

        //LeftAttRoiSummaryControlViewModel = ActivatorUtilities.CreateInstance<RoiSummaryControlViewModel>(ServiceProviderFactory.ServiceProvider);
        //LeftAttRoiSummaryControlViewModel.LoadPath = Path.Combine("roi", "att_location_l.json");
        //LeftAttRoiSummaryControlViewModel.RoiTabId = "att";
        //dataBlockLoader.AddViewModel(LeftAttRoiSummaryControlViewModel);

        //RightAttRoiSummaryControlViewModel = ActivatorUtilities.CreateInstance<RoiSummaryControlViewModel>(ServiceProviderFactory.ServiceProvider);
        //RightAttRoiSummaryControlViewModel.LoadPath = Path.Combine("roi", "att_location_r.json");
        //RightAttRoiSummaryControlViewModel.RoiTabId = "att";
        //dataBlockLoader.AddViewModel(RightAttRoiSummaryControlViewModel);

        //LeftAcbvRoiSummaryControlViewModel = ActivatorUtilities.CreateInstance<RoiSummaryControlViewModel>(ServiceProviderFactory.ServiceProvider);
        //LeftAcbvRoiSummaryControlViewModel.LoadPath = Path.Combine("roi", "acbv_location_l.json");
        //LeftAcbvRoiSummaryControlViewModel.RoiTabId = "acbv";
        //dataBlockLoader.AddViewModel(LeftAcbvRoiSummaryControlViewModel);

        //RightAcbvRoiSummaryControlViewModel = ActivatorUtilities.CreateInstance<RoiSummaryControlViewModel>(ServiceProviderFactory.ServiceProvider);
        //RightAcbvRoiSummaryControlViewModel.LoadPath = Path.Combine("roi", "acbv_location_r.json");
        //RightAcbvRoiSummaryControlViewModel.RoiTabId = "acbv";
        //dataBlockLoader.AddViewModel(RightAcbvRoiSummaryControlViewModel);

        MosaicImageGroupViewModel = ActivatorUtilities.CreateInstance<MosaicImageGroupControlViewModel>(ServiceProviderFactory.ServiceProvider);
        dataBlockLoader.AddDeferredLoadingModuleViewModel(MosaicImageGroupViewModel);

        dataBlockLoader.Init();

        RoiSummaryControlViewModel.RoiTabIdToTabIndexDictionary = new Dictionary<string, int>
        {
            { "cbf", 0 }, { "att", 1 }, { "acbv", 2 }
        };
    }

    public List<ReportModuleExpanderViewModel> GenerateReportModuleGroups()
    {
        List<ReportModuleItemViewModel> atlasItems =
        [
            new ReportModuleItemViewModel(
                (string)Application.Current.TryFindResource("CerebrumCerebellumPerfusionDataGridName"),
                "AnImage_CerebrumCerebellum"),
            new ReportModuleItemViewModel((string)Application.Current.TryFindResource("BrainLobesRotationViewerName"),
                "AnImage_BrainLobes"),
            new ReportModuleItemViewModel(
                (string)Application.Current.TryFindResource("ArterialTerritoriesRotationViewerName"),
                "AnImage_ArterialTerritories"),
            new ReportModuleItemViewModel((string)Application.Current.TryFindResource("LimbicSystemRotationViewerName"),
                "LimbicSystem")
        ];

        //TODO::maybe cache it when loading data is better. No need to check colorMap
        List<ReportModuleItemViewModel> colorImageItems = (from viewModel in MosaicImageGroupViewModel.MosaicImageCollection where viewModel.UseColorBar select new ReportModuleItemViewModel(viewModel.DisplayName, viewModel.DisplayName)).ToList();

        List<ReportModuleExpanderViewModel> result =
        [
            new ReportModuleExpanderViewModel((string)Application.Current.TryFindResource("ReportModuleAtlas"), "regional_perfusion",
                atlasItems),
            new ReportModuleExpanderViewModel((string)Application.Current.TryFindResource("ReportModuleColorImage"),
                "param_color_img", colorImageItems)
        ];
        return result;
    }

    public void Receive(DataLoadedMessage message)
    {
        WeakReferenceMessenger.Default.Send(new RoiTabChangedMessage(RoiTabSelectedIndex));
    }
}