using System.Threading;
using System.Threading.Tasks;
using FinlyticCore.Models.Analyzer;

namespace FinlyticAnalyzer.Services;

public interface IVixTrackerService
{
    /// <summary>
    /// Gets the current VIX value.
    /// </summary>
    decimal GetCurrentVix();
    
    /// <summary>
    /// Gets the current market regime based on VIX.
    /// </summary>
    VixMarketRegime GetCurrentRegime();
    
    /// <summary>
    /// Updates the VIX tracker with a new tick value.
    /// </summary>
    void UpdateVixFromTick(decimal vixValue);
    
    /// <summary>
    /// Polls the VIX asynchronously and returns its value.
    /// </summary>
    Task<decimal> PollVixAsync(CancellationToken cancellationToken = default);
}