namespace Marathon.Domain.AnomalyDetection;

/// <summary>
/// Single source of truth for the severity bucket boundaries that the UI
/// pill / badge, the Insights breakdowns, and any future reporter share.
/// </summary>
/// <remarks>
/// Buckets are inclusive on the left, exclusive on the right (except High
/// which extends to 1.00 inclusive):
/// <list type="bullet">
///   <item>Low      [<see cref="Low"/>,    <see cref="Medium"/>)</item>
///   <item>Medium   [<see cref="Medium"/>, <see cref="High"/>)</item>
///   <item>High     [<see cref="High"/>,   1.00]</item>
/// </list>
/// Defined at the Domain layer so both the Application reporter and the
/// Marathon.UI severity rules consume the same numbers — re-tuning happens
/// in one place.
/// </remarks>
public static class AnomalySeverityThresholds
{
    /// <summary>Lower bound of the Low bucket. Matches the detector's default flip threshold.</summary>
    public const decimal Low = 0.30m;

    /// <summary>Lower bound of the Medium bucket.</summary>
    public const decimal Medium = 0.45m;

    /// <summary>Lower bound of the High bucket.</summary>
    public const decimal High = 0.60m;
}