using WPFluent.Gallery.Models;

namespace WPFluent.Gallery.ViewModels.Pages.Navigation;

public partial class BreadcrumbBarViewModel : ViewModel
{
    private readonly Folder[] _baseFoldersCollection =
    [
        new("Home"),
        new("Folder1"),
        new("Folder2"),
        new("Folder3"),
    ];

    [ObservableProperty]
    private ObservableCollection<string> _strings =
    [
        "Home",
        "Document",
        "Design",
        "Northwind",
        "Images",
        "Folder1",
        "Folder2",
        "Folder3",
    ];

    [ObservableProperty]
    private ObservableCollection<Folder> _folders = new();

    public BreadcrumbBarViewModel()
    {
        ResetFoldersCollection();
    }

    [RelayCommand]
    private void OnStringSelected(object item) { }

    [RelayCommand]
    private void OnFolderSelected(object item)
    {
        if (item is not Folder selectedFolder)
        {
            return;
        }

        var index = Folders.IndexOf(selectedFolder);

        Folders.Clear();

        var counter = 0;
        foreach (Folder folder in _baseFoldersCollection)
        {
            if (counter++ > index)
            {
                break;
            }

            Folders.Add(folder);
        }
    }

    [RelayCommand]
    private void OnResetFolders()
    {
        ResetFoldersCollection();
    }

    private void ResetFoldersCollection()
    {
        Folders.Clear();

        foreach (Folder folder in _baseFoldersCollection)
        {
            Folders.Add(folder);
        }
    }
}