using Manager.App.Models.System;

namespace Manager.App.Services.System;

public class BackgroundServiceManager
{
    private readonly HashSet<ExtendedBackgroundService> _backgroundServices = [];

    public void RegisterService(ExtendedBackgroundService service)
    {
        _backgroundServices.Add(service);
    }

    public ListResult<ExtendedBackgroundService> GetServices(string serviceName, int total = 20, int skip = 0)
    {
        var filtered = string.IsNullOrWhiteSpace(serviceName) ? _backgroundServices.ToArray() : _backgroundServices.Where(x => x.Name.Equals(serviceName, StringComparison.OrdinalIgnoreCase)).ToArray();

        var results = filtered.OrderDescending()
            .Skip(skip)
            .Take(total);
        return new ListResultReturn<ExtendedBackgroundService>(results.ToList(), filtered.Length);
    }
}