commander/MockPanelManager.cs

using System.Collections.ObjectModel;

namespace CommanderApp.Services;

public class MockPanelManager : IPanelManager
{
    public event EventHandler<PanelStateChangedEventArgs> StateChanged;

    public bool IsLeftPanelActive { get; set; } = true;
    public FileSystemItem SelectedItem { get; set; }
    public string ActivePanelPath { get; set; } = "/mock/path";
    public string LeftPanelPath { get; set; } = "/left/path";
    public string RightPanelPath { get; set; } = "/right/path";
    public int LeftSelectedIndex { get; set; } = 0;
    public int RightSelectedIndex { get; set; } = -1;

    public ObservableCollection<FileSystemItem> LeftItems { get; } = new();
    public ObservableCollection<FileSystemItem> RightItems { get; } = new();

    public void SwitchToLeftPanel() => IsLeftPanelActive = true;
    public void SwitchToRightPanel() => IsLeftPanelActive = false;
    
    public void MoveSelection(int direction)
    {
        if (IsLeftPanelActive)
            LeftSelectedIndex = Math.Max(0, LeftSelectedIndex + direction);
        else
            RightSelectedIndex = Math.Max(0, RightSelectedIndex + direction);
    }

    public void SetSelection(int index, bool isLeftPanel)
    {
        if (isLeftPanel)
            LeftSelectedIndex = index;
        else
            RightSelectedIndex = index;
    }

    public void UpdatePanelPaths(string leftPath, string rightPath)
    {
        LeftPanelPath = leftPath;
        RightPanelPath = rightPath;
    }

    public void ClearSelection()
    {
        LeftSelectedIndex = -1;
        RightSelectedIndex = -1;
    }
}