namespace PowderCoating.Core.Entities;

/// <summary>
/// Immutable audit log of every Anthropic API call made on behalf of a tenant.
/// Intentionally omits BaseEntity — no soft delete, no UpdatedAt, no per-tenant query filter
/// (this is a platform-wide log read by SuperAdmins across all companies).
/// </summary>
public class AiUsageLog
{
    public long Id { get; set; }
    public int CompanyId { get; set; }
    public string UserId { get; set; } = string.Empty;

    /// <summary>Which AI feature triggered this call. Use AppConstants.AiFeatures constants.</summary>
    public string Feature { get; set; } = string.Empty;

    /// <summary>True when the AI service returned successfully; false on exception or upstream error.</summary>
    public bool Success { get; set; } = true;

    /// <summary>Approximate input size in characters/bytes — used as a rough token-cost proxy.</summary>
    public int InputLength { get; set; }

    public DateTime CalledAt { get; set; }

    public Company? Company { get; set; }
}