// <auto-generated/> by Diplomat

#pragma warning disable 0105
using System;
using System.Runtime.InteropServices;

using Devolutions.IronRdp.Diplomat;
#pragma warning restore 0105

namespace Devolutions.IronRdp;

#nullable enable

public partial class ConnectionActivationSequence: IDisposable
{
    private unsafe Raw.ConnectionActivationSequence* _inner;

    public ConnectionActivationState State
    {
        get
        {
            return GetState();
        }
    }

    /// <summary>
    /// Creates a managed <c>ConnectionActivationSequence</c> from a raw handle.
    /// </summary>
    /// <remarks>
    /// Safety: you should not build two managed objects using the same raw handle (may causes use-after-free and double-free).
    /// <br/>
    /// This constructor assumes the raw struct is allocated on Rust side.
    /// If implemented, the custom Drop implementation on Rust side WILL run on destruction.
    /// </remarks>
    public unsafe ConnectionActivationSequence(Raw.ConnectionActivationSequence* handle)
    {
        _inner = handle;
    }

    /// <returns>
    /// A <c>ConnectionActivationState</c> allocated on Rust side.
    /// </returns>
    public ConnectionActivationState GetState()
    {
        unsafe
        {
            if (_inner == null)
            {
                throw new ObjectDisposedException("ConnectionActivationSequence");
            }
            Raw.ConnectionActivationState* retVal = Raw.ConnectionActivationSequence.GetState(_inner);
            return new ConnectionActivationState(retVal);
        }
    }

    /// <exception cref="IronRdpException"></exception>
    /// <returns>
    /// A <c>PduHint</c> allocated on Rust side.
    /// </returns>
    public PduHint NextPduHint()
    {
        unsafe
        {
            if (_inner == null)
            {
                throw new ObjectDisposedException("ConnectionActivationSequence");
            }
            Raw.ConnectorActivationFfiResultOptBoxPduHintBoxIronRdpError result = Raw.ConnectionActivationSequence.NextPduHint(_inner);
            if (!result.isOk)
            {
                throw new IronRdpException(new IronRdpError(result.Err));
            }
            Raw.PduHint* retVal = result.Ok;
            if (retVal == null)
            {
                return null;
            }
            return new PduHint(retVal);
        }
    }

    /// <exception cref="IronRdpException"></exception>
    /// <returns>
    /// A <c>Written</c> allocated on Rust side.
    /// </returns>
    public Written Step(byte[] pduHint, WriteBuf buf)
    {
        unsafe
        {
            if (_inner == null)
            {
                throw new ObjectDisposedException("ConnectionActivationSequence");
            }
            nuint pduHintLength = (nuint)pduHint.Length;
            Raw.WriteBuf* bufRaw;
            bufRaw = buf.AsFFI();
            if (bufRaw == null)
            {
                throw new ObjectDisposedException("WriteBuf");
            }
            fixed (byte* pduHintPtr = pduHint)
            {
                Raw.ConnectorActivationFfiResultBoxWrittenBoxIronRdpError result = Raw.ConnectionActivationSequence.Step(_inner, pduHintPtr, pduHintLength, bufRaw);
                if (!result.isOk)
                {
                    throw new IronRdpException(new IronRdpError(result.Err));
                }
                Raw.Written* retVal = result.Ok;
                return new Written(retVal);
            }
        }
    }

    /// <exception cref="IronRdpException"></exception>
    /// <returns>
    /// A <c>Written</c> allocated on Rust side.
    /// </returns>
    public Written StepNoInput(WriteBuf buf)
    {
        unsafe
        {
            if (_inner == null)
            {
                throw new ObjectDisposedException("ConnectionActivationSequence");
            }
            Raw.WriteBuf* bufRaw;
            bufRaw = buf.AsFFI();
            if (bufRaw == null)
            {
                throw new ObjectDisposedException("WriteBuf");
            }
            Raw.ConnectorActivationFfiResultBoxWrittenBoxIronRdpError result = Raw.ConnectionActivationSequence.StepNoInput(_inner, bufRaw);
            if (!result.isOk)
            {
                throw new IronRdpException(new IronRdpError(result.Err));
            }
            Raw.Written* retVal = result.Ok;
            return new Written(retVal);
        }
    }

    /// <summary>
    /// Returns the underlying raw handle.
    /// </summary>
    public unsafe Raw.ConnectionActivationSequence* AsFFI()
    {
        return _inner;
    }

    /// <summary>
    /// Destroys the underlying object immediately.
    /// </summary>
    public void Dispose()
    {
        unsafe
        {
            if (_inner == null)
            {
                return;
            }

            Raw.ConnectionActivationSequence.Destroy(_inner);
            _inner = null;

            GC.SuppressFinalize(this);
        }
    }

    ~ConnectionActivationSequence()
    {
        Dispose();
    }
}