using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Reactive.Linq;
using System.Reactive.Subjects;
using DynamicData;

namespace ModpackUpdater.Apps.Manager.Ui.Models;

public class DynamicDataView<T> : INotifyPropertyChanged where T : notnull
{
    public event PropertyChangedEventHandler? PropertyChanged;
    
    private string? searchText;
    private readonly Subject<string?> searchTextSubject = new();

    public SourceList<T> List { get; } = new();
    public ReadOnlyObservableCollection<T> View { get; }
    
    public DynamicDataView(Func<string?, Func<T, bool>> predicate)
    {
        List.Connect()
            .Filter(searchTextSubject/*.Throttle(TimeSpan.FromMilliseconds(250))*/.Select(predicate))
            .Bind(out var view)
            .Subscribe();
        searchTextSubject?.OnNext(searchText);
        View = view;
    }

    public string? SearchText
    {
        get => searchText;
        set => searchTextSubject.OnNext(searchText = value);
    }
}