using System.Collections.ObjectModel;
using System.IO;
using System.Text.Json;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Messaging;
using Livia.Models.Data;
using Livia.Utility;

namespace Livia.ViewModels;

public class PerfusionDataGridControlViewModel : ObservableObject, ILiviaModuleViewModel
{
    public ObservableCollection<PerfusionData> RegionsCollection { get; } = [];
    public string GridName { get => _gridName; private set => SetProperty(ref _gridName, value); }
    public string GridTabName { get => _gridTabName; set => SetProperty(ref _gridTabName, value); }
    public string LoadPath { get; set; } = string.Empty;
    public static string LoadAtlasName = "ASL-cCBF";
    private string _gridName = string.Empty;
    private string _gridTabName = string.Empty;

    public async Task LoadData(DataBlock dataBlock)
    {
        string file = Path.Combine(dataBlock.ResultPath, LoadPath, $"{LoadAtlasName}.json");
        PerfusionDataJson dataJson = JsonSerializer.Deserialize<PerfusionDataJson>(await File.ReadAllTextAsync(file), UtilityExtensions.JsonSerializerOptions);
        RegionsCollection.Clear();
        foreach (PerfusionData data in dataJson.Regions)
        {
            RegionsCollection.Add(data);
        }

        GridName = LoadAtlasName;
    }

    public PerfusionDataGridControlViewModel()
    {
        WeakReferenceMessenger.Default.RegisterAll(this);
    }

    public void Init()
    {
    }
}