using System;

using ImGuiScene;

namespace Dalamud.Interface.Internal;

/// <summary>
/// Safety harness for ImGuiScene textures that will defer destruction until
/// the end of the frame.
/// </summary>
public class DalamudTextureWrap : TextureWrap
{
    private readonly TextureWrap wrappedWrap;

    /// <summary>
    /// Initializes a new instance of the <see cref="DalamudTextureWrap"/> class.
    /// </summary>
    /// <param name="wrappingWrap">The texture wrap to wrap.</param>
    internal DalamudTextureWrap(TextureWrap wrappingWrap)
    {
        this.wrappedWrap = wrappingWrap;
    }

    /// <summary>
    /// Gets the ImGui handle of the texture.
    /// </summary>
    public IntPtr ImGuiHandle => this.wrappedWrap.ImGuiHandle;

    /// <summary>
    /// Gets the width of the texture.
    /// </summary>
    public int Width => this.wrappedWrap.Width;

    /// <summary>
    /// Gets the height of the texture.
    /// </summary>
    public int Height => this.wrappedWrap.Height;

    /// <summary>
    /// Queue the texture to be disposed once the frame ends.
    /// </summary>
    public void Dispose()
    {
        Service<InterfaceManager>.Get().EnqueueDeferredDispose(this);
    }

    /// <summary>
    /// Actually dispose the wrapped texture.
    /// </summary>
    internal void RealDispose()
    {
        this.wrappedWrap.Dispose();
    }
}