using System;
using CeresSharp.Native;

namespace CeresSharp.Native.SafeHandles;

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

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

    public static CovarianceOptionsHandle Create()
    {
        var handle = CeresNative.ceres_wrapper_create_covariance_options();
        if (handle == IntPtr.Zero)
        {
            throw new Exceptions.CeresException(Exceptions.CeresErrorCode.OutOfMemory, "Failed to create covariance options");
        }
        return new CovarianceOptionsHandle(handle, true);
    }

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