using System;
using CeresSharp.Native;

namespace CeresSharp.Native.SafeHandles;

/// <summary>
/// Safe handle for Ceres GradientChecker.
/// </summary>
internal sealed class GradientCheckerHandle : BaseSafeHandle
{
    private GradientCheckerHandle() : base()
    {
    }

    private GradientCheckerHandle(IntPtr handle, bool ownsHandle) : base(handle, ownsHandle)
    {
    }

    public static GradientCheckerHandle Create(IntPtr handle)
    {
        if (handle == IntPtr.Zero)
        {
            throw new Exceptions.CeresException(Exceptions.CeresErrorCode.NullPointer, "Gradient checker handle is null");
        }
        return new GradientCheckerHandle(handle, true);
    }

    protected override void ReleaseNativeHandle(IntPtr handle)
    {
        CeresNative.ceres_wrapper_free_gradient_checker(handle);
    }
}