namespace Harmonia.Core.Library;

public interface IAudioLibrary
{
    void AddLocation(string path);
    void RemoveLocation(string path);
    void RemoveLocations(string[] paths);
    void Scan(string path);
    void Scan(string[] paths);

    event EventHandler<EventArgs>? LocationAdded;
    event EventHandler<EventArgs>? LocationRemoved;
    event EventHandler<EventArgs>? ScanStarted;
    event EventHandler<EventArgs>? ScanFinished;
}

public class AudioLibrary : IAudioLibrary
{
    private readonly List<string> _locations = [];

    public event EventHandler<EventArgs>? LocationAdded;
    public event EventHandler<EventArgs>? LocationRemoved;
    public event EventHandler<EventArgs>? ScanStarted;
    public event EventHandler<EventArgs>? ScanFinished;

    public void AddLocation(string path)
    {
        if (_locations.Contains(path))
            return;

        // TODO: CHeck for subpaths

        _locations.Add(path);

        LocationAdded?.Invoke(this, new EventArgs());
    }

    public void RemoveLocation(string path)
    {
        RemoveLocations([path]);
    }

    public void RemoveLocations(string[] paths)
    {
        foreach (string path in paths)
        {
            if (_locations.Contains(path) == false)
                continue;


        }

        LocationRemoved?.Invoke(this, new EventArgs());
    }

    public void Scan(string path)
    {
        Scan([path]);
    }

    public void Scan(string[] paths)
    {
        ScanStarted?.Invoke(this, new EventArgs());

        ScanFinished?.Invoke(this, new EventArgs());
    }
}