use graph_craft::proto::{NodeConstructor, TypeErasedPinned};
use graphene_core::ops::IdNode;
use graphene_core::quantization::QuantizationChannels;
use graphene_core::raster::bbox::{AxisAlignedBbox, Bbox};
use graphene_core::raster::color::Color;
use graphene_core::structural::Then;
use graphene_core::value::{ClonedNode, CopiedNode, ValueNode};
use graphene_core::vector::brush_stroke::BrushStroke;
use graphene_core::vector::VectorData;
use graphene_core::wasm_application_io::WasmSurfaceHandle;
use graphene_core::wasm_application_io::*;
use graphene_core::{concrete, generic};
use graphene_core::{fn_type, raster::*};
use graphene_core::{Cow, NodeIdentifier, Type, TypeDescriptor};
use graphene_core::{Node, NodeIO, NodeIOTypes};
use graphene_std::any::{ComposeTypeErased, DowncastBothNode, DynAnyNode, FutureWrapperNode, IntoTypeErasedNode};
use graphene_std::brush;
use graphene_std::raster::BlendImageTupleNode;
use graphene_std::raster::*;

use dyn_any::StaticType;
use glam::{DAffine2, DVec2};
use once_cell::sync::Lazy;
use std::collections::HashMap;
use std::sync::Arc;

macro_rules! construct_node {
	($args: ident, $path:ty, [$($type:ty),*]) => { async move {
		let mut args = $args.clone();
		args.reverse();
		let node = <$path>::new($(
				{
					let node = graphene_std::any::input_node::<$type>(args.pop().expect("Not enough arguments provided to construct node"));
					let value = node.eval(()).await;
					graphene_core::value::ClonedNode::new(value)
				}
			),*
		);
		node

	}}
}

macro_rules! register_node {
	($path:ty, input: $input:ty, params: [ $($type:ty),*]) => {
		vec![
		(
			NodeIdentifier::new(stringify!($path)),
			|args| {
				Box::pin(async move {
				let node = construct_node!(args, $path, [$($type),*]).await;
				let node = graphene_std::any::FutureWrapperNode::new(node);
				let any: DynAnyNode<$input, _, _> = graphene_std::any::DynAnyNode::new(graphene_core::value::ValueNode::new(node));
				Box::pin(any) as TypeErasedPinned
				})
			},
			{
				let node = <$path>::new($(
						graphene_std::any::PanicNode::<(), $type>::new()
				),*);
				let params = vec![$(fn_type!((), $type)),*];
				let mut node_io = <$path as NodeIO<'_, $input>>::to_node_io(&node, params);
				node_io.input = concrete!(<$input as StaticType>::Static);
				node_io
			},
		)
		]
	};
}
macro_rules! async_node {
	// TODO: we currently need to annotate the type here because the compiler would otherwise (correctly)
	// assign a Pin<Box<dyn Fututure<Output=T>>> type to the node, which is not what we want for now.
	($path:ty, input: $input:ty, output: $output:ty, params: [ $($type:ty),*]) => {
		vec![
		(
			NodeIdentifier::new(stringify!($path)),
			|mut args| {
				Box::pin(async move {
				args.reverse();
				let node = <$path>::new($(graphene_std::any::input_node::<$type>(args.pop().expect("Not enough arguments provided to construct node"))),*);
				let any: DynAnyNode<$input, _, _> = graphene_std::any::DynAnyNode::new(graphene_core::value::ValueNode::new(node));
				Box::pin(any) as TypeErasedPinned
				})
			},
			{
				let node = <$path>::new($(
							graphene_std::any::PanicNode::<(), core::pin::Pin<Box<dyn core::future::Future<Output = $type>>>>::new()
				),*);
				// TODO: Propagate the future type through the node graph
				//let params = vec![$(Type::Fn(Box::new(concrete!(())), Box::new(Type::Future(Box::new(concrete!($type)))))),*];
				let params = vec![$(Type::Fn(Box::new(concrete!(())), Box::new(concrete!($type)))),*];
				let mut node_io = NodeIO::<'_, $input>::to_node_io(&node, params);
				node_io.input = concrete!(<$input as StaticType>::Static);
				node_io.input = concrete!(<$input as StaticType>::Static);
				node_io.output = concrete!(<$output as StaticType>::Static);
				node_io
			},
		)
		]
	};
}
macro_rules! raster_node {
	($path:ty, params: [$($type:ty),*]) => {{
		// this function could also be inlined but serves as a workaround for
		// [wasm-pack#981](https://github.com/rustwasm/wasm-pack/issues/981).
		// The non-inlining function leads to fewer locals in the resulting
		// wasm binary. This issue currently only applies to debug builds, so
		// we guard inlining to only happen on production builds for
		// optimization purposes.
		#[cfg_attr(debug_assertions, inline(never))]
		#[cfg_attr(not(debug_assertions), inline)]
		fn generate_triples() -> Vec<(NodeIdentifier, NodeConstructor, NodeIOTypes)> {
			vec![
			(
				NodeIdentifier::new(stringify!($path)),
				|args| {
					Box::pin(async move {
						let node = construct_node!(args, $path, [$($type),*]).await;
						let node = graphene_std::any::FutureWrapperNode::new(node);
						let any: DynAnyNode<Color, _, _> = graphene_std::any::DynAnyNode::new(graphene_core::value::ValueNode::new(node));
						Box::pin(any) as TypeErasedPinned
					})
				},
				{
					let params = vec![$(fn_type!($type)),*];
					NodeIOTypes::new(concrete!(Color), concrete!(Color), params)
				},
			),
			(
				NodeIdentifier::new(stringify!($path)),
				|args| {
					Box::pin(async move {
						let node = construct_node!(args, $path, [$($type),*]).await;
						let map_node = graphene_std::raster::MapImageNode::new(graphene_core::value::ValueNode::new(node));
						let map_node = graphene_std::any::FutureWrapperNode::new(map_node);
						let any: DynAnyNode<Image<Color>, _, _> = graphene_std::any::DynAnyNode::new(graphene_core::value::ValueNode::new(map_node));
						Box::pin(any) as TypeErasedPinned
					})
				},
				{
					let params = vec![$(fn_type!($type)),*];
					NodeIOTypes::new(concrete!(Image<Color>), concrete!(Image<Color>), params)
				},
			),
			(
				NodeIdentifier::new(stringify!($path)),
				|args| {
					Box::pin(async move {
						let node = construct_node!(args, $path, [$($type),*]).await;
						let map_node = graphene_std::raster::MapImageNode::new(graphene_core::value::ValueNode::new(node));
						let map_node = graphene_std::any::FutureWrapperNode::new(map_node);
						let any: DynAnyNode<ImageFrame<Color>, _, _> = graphene_std::any::DynAnyNode::new(graphene_core::value::ValueNode::new(map_node));
						Box::pin(any) as TypeErasedPinned
					})
				},
				{
					let params = vec![$(fn_type!($type)),*];
					NodeIOTypes::new(concrete!(ImageFrame<Color>), concrete!(ImageFrame<Color>), params)
				},
			)
			]
		}
		generate_triples()
	}};
}

//TODO: turn into hashmap
fn node_registry() -> HashMap<NodeIdentifier, HashMap<NodeIOTypes, NodeConstructor>> {
	let node_types: Vec<Vec<(NodeIdentifier, NodeConstructor, NodeIOTypes)>> = vec![
		//register_node!(graphene_core::ops::IdNode, input: Any<'_>, params: []),
		vec![(
			NodeIdentifier::new("graphene_core::ops::IdNode"),
			|_| Box::pin(async move { Box::pin(FutureWrapperNode::new(IdNode::new())) as TypeErasedPinned }),
			NodeIOTypes::new(generic!(I), generic!(I), vec![]),
		)],
		// TODO: create macro to impl for all types
		register_node!(graphene_core::structural::ConsNode<_, _>, input: u32, params: [u32]),
		register_node!(graphene_core::structural::ConsNode<_, _>, input: u32, params: [&u32]),
		register_node!(graphene_core::structural::ConsNode<_, _>, input: &u32, params: [u32]),
		register_node!(graphene_core::structural::ConsNode<_, _>, input: &u32, params: [&u32]),
		register_node!(graphene_core::ops::AddNode, input: (u32, u32), params: []),
		register_node!(graphene_core::ops::AddNode, input: (u32, &u32), params: []),
		register_node!(graphene_core::ops::CloneNode<_>, input: &ImageFrame<Color>, params: []),
		register_node!(graphene_core::ops::CloneNode<_>, input: &graphene_core::EditorApi, params: []),
		register_node!(graphene_core::ops::AddParameterNode<_>, input: u32, params: [u32]),
		register_node!(graphene_core::ops::AddParameterNode<_>, input: &u32, params: [u32]),
		register_node!(graphene_core::ops::AddParameterNode<_>, input: u32, params: [&u32]),
		register_node!(graphene_core::ops::AddParameterNode<_>, input: &u32, params: [&u32]),
		register_node!(graphene_core::ops::AddParameterNode<_>, input: f64, params: [f64]),
		register_node!(graphene_core::ops::AddParameterNode<_>, input: &f64, params: [f64]),
		register_node!(graphene_core::ops::AddParameterNode<_>, input: f64, params: [&f64]),
		register_node!(graphene_core::ops::AddParameterNode<_>, input: &f64, params: [&f64]),
		register_node!(graphene_core::ops::SomeNode, input: graphene_core::EditorApi, params: []),
		register_node!(graphene_core::ops::IntoNode<_, ImageFrame<SRGBA8>>, input: ImageFrame<Color>, params: []),
		register_node!(graphene_core::ops::IntoNode<_, ImageFrame<Color>>, input: ImageFrame<SRGBA8>, params: []),
		register_node!(graphene_std::raster::DownresNode<_>, input: ImageFrame<Color>, params: []),
		register_node!(graphene_std::raster::MaskImageNode<_, _, _>, input: ImageFrame<Color>, params: [ImageFrame<Color>]),
		register_node!(graphene_std::raster::MaskImageNode<_, _, _>, input: ImageFrame<Color>, params: [ImageFrame<Luma>]),
		register_node!(graphene_std::raster::InsertChannelNode<_, _, _, _>, input: ImageFrame<Color>, params: [ImageFrame<Color>, RedGreenBlue]),
		register_node!(graphene_std::raster::InsertChannelNode<_, _, _, _>, input: ImageFrame<Color>, params: [ImageFrame<Luma>, RedGreenBlue]),
		vec![(
			NodeIdentifier::new("graphene_std::raster::CombineChannelsNode"),
			|args| {
				Box::pin(async move {
					use graphene_core::raster::*;
					use graphene_core::value::*;

					let channel_r: ImageFrame<Color> = DowncastBothNode::new(args[0]).eval(()).await;
					let channel_g: ImageFrame<Color> = DowncastBothNode::new(args[1]).eval(()).await;
					let channel_b: ImageFrame<Color> = DowncastBothNode::new(args[2]).eval(()).await;
					let channel_a: ImageFrame<Color> = DowncastBothNode::new(args[3]).eval(()).await;

					let insert_r = InsertChannelNode::new(ClonedNode::new(channel_r.clone()), CopiedNode::new(RedGreenBlue::Red));
					let insert_g = InsertChannelNode::new(ClonedNode::new(channel_g.clone()), CopiedNode::new(RedGreenBlue::Green));
					let insert_b = InsertChannelNode::new(ClonedNode::new(channel_b.clone()), CopiedNode::new(RedGreenBlue::Blue));
					let complete_node = insert_r.then(insert_g).then(insert_b);
					let complete_node = complete_node.then(MaskImageNode::new(ClonedNode::new(channel_a.clone())));

					// TODO: Move to FN Node for better performance
					let (mut transform, mut bounds) = (DAffine2::ZERO, glam::UVec2::ZERO);
					for image in [channel_a, channel_r, channel_g, channel_b] {
						if image.image.width() > bounds.x {
							bounds = glam::UVec2::new(image.image.width(), image.image.height());
							transform = image.transform;
						}
					}
					let empty_image = ImageFrame {
						image: Image::new(bounds.x, bounds.y, Color::BLACK),
						transform,
					};
					let final_image = ClonedNode::new(empty_image).then(complete_node);
					let final_image = FutureWrapperNode::new(final_image);

					let any: DynAnyNode<(), _, _> = graphene_std::any::DynAnyNode::new(ValueNode::new(final_image));
					Box::pin(any) as TypeErasedPinned
				})
			},
			NodeIOTypes::new(
				concrete!(()),
				concrete!(ImageFrame<Color>),
				vec![fn_type!(ImageFrame<Color>), fn_type!(ImageFrame<Color>), fn_type!(ImageFrame<Color>), fn_type!(ImageFrame<Color>)],
			),
		)],
		register_node!(graphene_std::raster::EmptyImageNode<_, _>, input: DAffine2, params: [Color]),
		register_node!(graphene_core::memo::MonitorNode<_>, input: ImageFrame<Color>, params: []),
		register_node!(graphene_core::memo::MonitorNode<_>, input: graphene_core::GraphicGroup, params: []),
		register_node!(graphene_core::wasm_application_io::CreateSurfaceNode, input: graphene_core::EditorApi, params: []),
		async_node!(
			graphene_core::wasm_application_io::DrawImageFrameNode<_>,
			input: ImageFrame<SRGBA8>,
			output: WasmSurfaceHandleFrame,
			params: [Arc<WasmSurfaceHandle>]
		),
		#[cfg(feature = "gpu")]
		vec![(
			NodeIdentifier::new("graphene_std::executor::MapGpuSingleImageNode<_>"),
			|args| {
				Box::pin(async move {
					let document_node: DowncastBothNode<(), graph_craft::document::DocumentNode> = DowncastBothNode::new(args[0]);
					//let document_node = ClonedNode::new(document_node.eval(()));
					let node = graphene_std::executor::MapGpuNode::new(document_node);
					let any: DynAnyNode<ImageFrame<Color>, _, _> = graphene_std::any::DynAnyNode::new(graphene_core::value::ValueNode::new(node));
					Box::pin(any) as TypeErasedPinned
				})
			},
			NodeIOTypes::new(concrete!(ImageFrame<Color>), concrete!(ImageFrame<Color>), vec![fn_type!(graph_craft::document::DocumentNode)]),
		)],
		#[cfg(feature = "gpu")]
		vec![(
			NodeIdentifier::new("graphene_std::executor::BlendGpuImageNode<_, _, _>"),
			|args| {
				Box::pin(async move {
					let background: DowncastBothNode<(), ImageFrame<Color>> = DowncastBothNode::new(args[0]);
					let blend_mode: DowncastBothNode<(), BlendMode> = DowncastBothNode::new(args[1]);
					let opacity: DowncastBothNode<(), f32> = DowncastBothNode::new(args[2]);
					let node = graphene_std::executor::BlendGpuImageNode::new(background, blend_mode, opacity);
					let any: DynAnyNode<ImageFrame<Color>, _, _> = graphene_std::any::DynAnyNode::new(graphene_core::value::ValueNode::new(node));

					Box::pin(any) as TypeErasedPinned
				})
			},
			NodeIOTypes::new(
				concrete!(ImageFrame<Color>),
				concrete!(ImageFrame<Color>),
				vec![fn_type!(ImageFrame<Color>), fn_type!(BlendMode), fn_type!(f32)],
			),
		)],
		vec![(
			NodeIdentifier::new("graphene_core::structural::ComposeNode<_, _, _>"),
			|args| {
				Box::pin(async move {
					let node = ComposeTypeErased::new(args[0], args[1]);
					node.into_type_erased()
				})
			},
			NodeIOTypes::new(
				generic!(T),
				generic!(U),
				vec![Type::Fn(Box::new(generic!(T)), Box::new(generic!(V))), Type::Fn(Box::new(generic!(V)), Box::new(generic!(U)))],
			),
		)],
		register_node!(graphene_std::brush::IntoIterNode<_>, input: &Vec<BrushStroke>, params: []),
		vec![(
			NodeIdentifier::new("graphene_std::brush::BrushNode"),
			|args| {
				use graphene_core::structural::*;
				use graphene_core::value::*;
				use graphene_std::brush::*;

				Box::pin(async move {
					let image: DowncastBothNode<(), ImageFrame<Color>> = DowncastBothNode::new(args[0]);
					let bounds: DowncastBothNode<(), ImageFrame<Color>> = DowncastBothNode::new(args[1]);
					let strokes: DowncastBothNode<(), Vec<BrushStroke>> = DowncastBothNode::new(args[2]);

					let image_val = image.eval(()).await;
					let strokes_val = strokes.eval(()).await;
					let stroke_bbox = strokes_val.iter().map(|s| s.bounding_box()).reduce(|a, b| a.union(&b)).unwrap_or(AxisAlignedBbox::ZERO);
					let image_bbox = Bbox::from_transform(image_val.transform).to_axis_aligned_bbox();
					let bbox = stroke_bbox.union(&image_bbox);

					let mut background_bounds = CopiedNode::new(bbox.to_transform());
					let bounds_transform = bounds.eval(()).await.transform;
					if bounds_transform != DAffine2::ZERO {
						background_bounds = CopiedNode::new(bounds_transform);
					}

					let has_erase_strokes = strokes_val.iter().any(|s| s.style.blend_mode == BlendMode::Erase);
					let blank_image = background_bounds.then(EmptyImageNode::new(CopiedNode::new(Color::TRANSPARENT)));
					let opaque_image = background_bounds.then(EmptyImageNode::new(CopiedNode::new(Color::WHITE)));
					let mut erase_restore_mask = has_erase_strokes.then(|| opaque_image.eval(()));
					let mut actual_image = ExtendImageNode::new(blank_image).eval(image_val);
					for stroke in strokes_val {
						let normal_blend = BlendNode::new(CopiedNode::new(BlendMode::Normal), CopiedNode::new(100.));

						// Create brush texture.
						// TODO: apply rotation from layer to stamp for non-rotationally-symmetric brushes.
						let brush_texture = brush::create_brush_texture(stroke.style.clone());

						// Compute transformation from stroke texture space into layer space, and create the stroke texture.
						let positions: Vec<_> = stroke.compute_blit_points().into_iter().collect();
						let mut bbox = stroke.bounding_box();
						bbox.start = bbox.start.floor();
						bbox.end = bbox.end.floor();
						let stroke_size = bbox.size() + DVec2::splat(stroke.style.diameter);
						// For numerical stability we want to place the first blit point at a stable, integer offset
						// in layer space.
						let snap_offset = positions[0].floor() - positions[0];
						let stroke_origin_in_layer = bbox.start - snap_offset - DVec2::splat(stroke.style.diameter / 2.);
						let stroke_to_layer = DAffine2::from_translation(stroke_origin_in_layer) * DAffine2::from_scale(stroke_size);

						match stroke.style.blend_mode {
							BlendMode::Erase => {
								if let Some(mask) = erase_restore_mask {
									let blend_params = BlendNode::new(CopiedNode::new(BlendMode::Erase), CopiedNode::new(100.));
									let blit_node = BlitNode::new(ClonedNode::new(brush_texture), ClonedNode::new(positions), ClonedNode::new(blend_params));
									erase_restore_mask = Some(blit_node.eval(mask));
								}
							}

							// Yes, this is essentially the same as the above, but we duplicate to inline the blend mode.
							BlendMode::Restore => {
								if let Some(mask) = erase_restore_mask {
									let blend_params = BlendNode::new(CopiedNode::new(BlendMode::Restore), CopiedNode::new(100.));
									let blit_node = BlitNode::new(ClonedNode::new(brush_texture), ClonedNode::new(positions), ClonedNode::new(blend_params));
									erase_restore_mask = Some(blit_node.eval(mask));
								}
							}

							blend_mode => {
								let blit_node = BlitNode::new(ClonedNode::new(brush_texture), ClonedNode::new(positions), ClonedNode::new(normal_blend));
								let empty_stroke_texture = EmptyImageNode::new(CopiedNode::new(Color::TRANSPARENT)).eval(stroke_to_layer);
								let stroke_texture = blit_node.eval(empty_stroke_texture);
								// TODO: Is this the correct way to do opacity in blending?
								actual_image = brush::blend_with_mode(actual_image, stroke_texture, blend_mode, stroke.style.color.a() * 100.);
							}
						}
					}

					if let Some(mask) = erase_restore_mask {
						let blend_params = BlendNode::new(CopiedNode::new(BlendMode::MultiplyAlpha), CopiedNode::new(100.));
						let blend_executor = BlendImageTupleNode::new(ValueNode::new(blend_params));
						actual_image = blend_executor.eval((actual_image, mask));
					}

					// TODO: there *has* to be a better way to do this.
					let any: DynAnyNode<(), _, _> = graphene_std::any::DynAnyNode::new(ValueNode::new(FutureWrapperNode::new(ClonedNode::new(actual_image))));
					Box::pin(any) as TypeErasedPinned
				})
			},
			NodeIOTypes::new(
				concrete!(()),
				concrete!(ImageFrame<Color>),
				vec![fn_type!(ImageFrame<Color>), fn_type!(ImageFrame<Color>), fn_type!(Vec<BrushStroke>)],
			),
		)],
		// Filters
		raster_node!(graphene_core::raster::LuminanceNode<_>, params: [LuminanceCalculation]),
		raster_node!(graphene_core::raster::ExtractChannelNode<_>, params: [RedGreenBlue]),
		raster_node!(graphene_core::raster::ExtractAlphaNode<>, params: []),
		raster_node!(graphene_core::raster::LevelsNode<_, _, _, _, _>, params: [f64, f64, f64, f64, f64]),
		register_node!(graphene_std::image_segmentation::ImageSegmentationNode<_>, input: ImageFrame<Color>, params: [ImageFrame<Color>]),
		register_node!(graphene_core::raster::IndexNode<_>, input: Vec<ImageFrame<Color>>, params: [u32]),
		vec![(
			NodeIdentifier::new("graphene_core::raster::BlendNode<_, _, _, _>"),
			|args| {
				Box::pin(async move {
					let image: DowncastBothNode<(), ImageFrame<Color>> = DowncastBothNode::new(args[0]);
					let blend_mode: DowncastBothNode<(), BlendMode> = DowncastBothNode::new(args[1]);
					let opacity: DowncastBothNode<(), f64> = DowncastBothNode::new(args[2]);
					let blend_node = graphene_core::raster::BlendNode::new(CopiedNode::new(blend_mode.eval(()).await), CopiedNode::new(opacity.eval(()).await));
					let node = graphene_std::raster::BlendImageNode::new(image, FutureWrapperNode::new(ValueNode::new(blend_node)));
					let any: DynAnyNode<ImageFrame<Color>, _, _> = graphene_std::any::DynAnyNode::new(graphene_core::value::ValueNode::new(node));
					Box::pin(any) as TypeErasedPinned
				})
			},
			NodeIOTypes::new(
				concrete!(ImageFrame<Color>),
				concrete!(ImageFrame<Color>),
				vec![fn_type!(ImageFrame<Color>), fn_type!(BlendMode), fn_type!(f64)],
			),
		)],
		raster_node!(graphene_core::raster::GrayscaleNode<_, _, _, _, _, _, _>, params: [Color, f64, f64, f64, f64, f64, f64]),
		raster_node!(graphene_core::raster::HueSaturationNode<_, _, _>, params: [f64, f64, f64]),
		raster_node!(graphene_core::raster::InvertRGBNode, params: []),
		raster_node!(graphene_core::raster::ThresholdNode<_, _, _>, params: [f64, f64, LuminanceCalculation]),
		raster_node!(graphene_core::raster::VibranceNode<_>, params: [f64]),
		raster_node!(
			graphene_core::raster::ChannelMixerNode<_, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _>,
			params: [bool, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64]
		),
		raster_node!(
			graphene_core::raster::SelectiveColorNode<_, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _>,
			params: [RelativeAbsolute, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64, f64]
		),
		vec![(
			NodeIdentifier::new("graphene_core::raster::BrightnessContrastNode<_, _, _>"),
			|args| {
				Box::pin(async move {
					use graphene_core::raster::brightness_contrast::*;

					let brightness: DowncastBothNode<(), f64> = DowncastBothNode::new(args[0]);
					let brightness = ClonedNode::new(brightness.eval(()).await as f32);
					let contrast: DowncastBothNode<(), f64> = DowncastBothNode::new(args[1]);
					let contrast = ClonedNode::new(contrast.eval(()).await as f32);
					let use_legacy: DowncastBothNode<(), bool> = DowncastBothNode::new(args[2]);

					if use_legacy.eval(()).await {
						let generate_brightness_contrast_legacy_mapper_node = GenerateBrightnessContrastLegacyMapperNode::new(brightness, contrast);
						let map_image_frame_node = graphene_std::raster::MapImageNode::new(ValueNode::new(generate_brightness_contrast_legacy_mapper_node.eval(())));
						let map_image_frame_node = FutureWrapperNode::new(map_image_frame_node);
						let any: DynAnyNode<ImageFrame<Color>, _, _> = graphene_std::any::DynAnyNode::new(ValueNode::new(map_image_frame_node));
						Box::pin(any) as TypeErasedPinned
					} else {
						let generate_brightness_contrast_mapper_node = GenerateBrightnessContrastMapperNode::new(brightness, contrast);
						let map_image_frame_node = graphene_std::raster::MapImageNode::new(ValueNode::new(generate_brightness_contrast_mapper_node.eval(())));
						let map_image_frame_node = FutureWrapperNode::new(map_image_frame_node);
						let any: DynAnyNode<ImageFrame<Color>, _, _> = graphene_std::any::DynAnyNode::new(ValueNode::new(map_image_frame_node));
						Box::pin(any) as TypeErasedPinned
					}
				})
			},
			NodeIOTypes::new(concrete!(ImageFrame<Color>), concrete!(ImageFrame<Color>), vec![fn_type!(f64), fn_type!(f64), fn_type!(bool)]),
		)],
		raster_node!(graphene_core::raster::OpacityNode<_>, params: [f64]),
		raster_node!(graphene_core::raster::PosterizeNode<_>, params: [f64]),
		raster_node!(graphene_core::raster::ExposureNode<_, _, _>, params: [f64, f64, f64]),
		register_node!(graphene_core::memo::LetNode<_>, input: Option<ImageFrame<Color>>, params: []),
		register_node!(graphene_core::memo::LetNode<_>, input: Option<graphene_core::EditorApi>, params: []),
		async_node!(
			graphene_core::memo::EndLetNode<_>,
			input: graphene_core::EditorApi,
			output: ImageFrame<Color>,
			params: [ImageFrame<Color>]
		),
		async_node!(graphene_core::memo::EndLetNode<_>, input: graphene_core::EditorApi, output: VectorData, params: [VectorData]),
		async_node!(
			graphene_core::memo::EndLetNode<_>,
			input: graphene_core::EditorApi,
			output: graphene_core::GraphicGroup,
			params: [graphene_core::GraphicGroup]
		),
		async_node!(
			graphene_core::memo::EndLetNode<_>,
			input: graphene_core::EditorApi,
			output: graphene_core::Artboard,
			params: [graphene_core::Artboard]
		),
		async_node!(
			graphene_core::memo::EndLetNode<_>,
			input: graphene_core::EditorApi,
			output: WasmSurfaceHandleFrame,
			params: [WasmSurfaceHandleFrame]
		),
		vec![(
			NodeIdentifier::new("graphene_core::memo::RefNode<_, _>"),
			|args| {
				Box::pin(async move {
					let node: DowncastBothNode<Option<graphene_core::EditorApi>, graphene_core::EditorApi> = graphene_std::any::DowncastBothNode::new(args[0]);
					let node = <graphene_core::memo::RefNode<_, _>>::new(node);
					let any: DynAnyNode<(), _, _> = graphene_std::any::DynAnyNode::new(graphene_core::value::ValueNode::new(node));
					Box::pin(any) as TypeErasedPinned
				})
			},
			NodeIOTypes::new(
				concrete!(()),
				concrete!(graphene_core::EditorApi),
				vec![fn_type!(Option<graphene_core::EditorApi>, graphene_core::EditorApi)],
			),
		)],
		async_node!(graphene_core::memo::MemoNode<_, _>, input: (), output: Image<Color>, params: [Image<Color>]),
		async_node!(graphene_core::memo::MemoNode<_, _>, input: (), output: ImageFrame<Color>, params: [ImageFrame<Color>]),
		async_node!(graphene_core::memo::MemoNode<_, _>, input: (), output: QuantizationChannels, params: [QuantizationChannels]),
		async_node!(graphene_core::memo::MemoNode<_, _>, input: (), output: Vec<DVec2>, params: [Vec<DVec2>]),
		async_node!(graphene_core::memo::MemoNode<_, _>, input: (), output: Arc<WasmSurfaceHandle>, params: [Arc<WasmSurfaceHandle>]),
		register_node!(graphene_core::structural::ConsNode<_, _>, input: Image<Color>, params: [&str]),
		register_node!(graphene_std::raster::ImageFrameNode<_, _>, input: Image<Color>, params: [DAffine2]),
		#[cfg(feature = "quantization")]
		register_node!(graphene_std::quantization::GenerateQuantizationNode<_, _>, input: ImageFrame<Color>, params: [u32, u32]),
		raster_node!(graphene_core::quantization::QuantizeNode<_>, params: [QuantizationChannels]),
		raster_node!(graphene_core::quantization::DeQuantizeNode<_>, params: [QuantizationChannels]),
		register_node!(graphene_core::ops::CloneNode<_>, input: &QuantizationChannels, params: []),
		register_node!(graphene_core::transform::TransformNode<_, _, _, _, _>, input: VectorData, params: [DVec2, f64, DVec2, DVec2, DVec2]),
		register_node!(graphene_core::transform::TransformNode<_, _, _, _, _>, input: ImageFrame<Color>, params: [DVec2, f64, DVec2, DVec2, DVec2]),
		register_node!(graphene_core::transform::TransformNode<_, _, _, _, _>, input: WasmSurfaceHandleFrame, params: [DVec2, f64, DVec2, DVec2, DVec2]),
		register_node!(graphene_core::transform::SetTransformNode<_>, input: VectorData, params: [VectorData]),
		register_node!(graphene_core::transform::SetTransformNode<_>, input: ImageFrame<Color>, params: [ImageFrame<Color>]),
		register_node!(graphene_core::transform::SetTransformNode<_>, input: VectorData, params: [DAffine2]),
		register_node!(graphene_core::transform::SetTransformNode<_>, input: ImageFrame<Color>, params: [DAffine2]),
		register_node!(graphene_core::vector::SetFillNode<_, _, _, _, _, _, _>, input: VectorData, params: [graphene_core::vector::style::FillType, Option<graphene_core::Color>, graphene_core::vector::style::GradientType, DVec2, DVec2, DAffine2, Vec<(f64, Option<graphene_core::Color>)>]),
		register_node!(graphene_core::vector::SetStrokeNode<_, _, _, _, _, _, _>, input: VectorData, params: [Option<graphene_core::Color>, f64, Vec<f32>, f64, graphene_core::vector::style::LineCap, graphene_core::vector::style::LineJoin, f64]),
		register_node!(graphene_core::vector::generator_nodes::UnitCircleGenerator, input: (), params: []),
		register_node!(
			graphene_core::vector::generator_nodes::PathGenerator<_>,
			input: Vec<graphene_core::vector::bezier_rs::Subpath<graphene_core::uuid::ManipulatorGroupId>>,
			params: [Vec<graphene_core::uuid::ManipulatorGroupId>]
		),
		register_node!(graphene_core::text::TextGenerator<_, _, _>, input: graphene_core::EditorApi, params: [String, graphene_core::text::Font, f64]),
		register_node!(graphene_std::brush::VectorPointsNode, input: VectorData, params: []),
		register_node!(graphene_core::ExtractImageFrame, input: graphene_core::EditorApi, params: []),
		register_node!(graphene_core::ConstructLayerNode<_, _, _, _, _, _, _>, input: graphene_core::vector::VectorData, params: [String, BlendMode, f32, bool, bool, bool, graphene_core::GraphicGroup]),
		register_node!(graphene_core::ConstructLayerNode<_, _, _, _, _, _, _>, input: ImageFrame<Color>, params: [String, BlendMode, f32, bool, bool, bool, graphene_core::GraphicGroup]),
		register_node!(graphene_core::ConstructLayerNode<_, _, _, _, _, _, _>, input: graphene_core::GraphicGroup, params: [String, BlendMode, f32, bool, bool, bool, graphene_core::GraphicGroup]),
		register_node!(graphene_core::ConstructLayerNode<_, _, _, _, _, _, _>, input: graphene_core::Artboard, params: [String, BlendMode, f32, bool, bool, bool, graphene_core::GraphicGroup]),
		register_node!(graphene_core::ConstructArtboardNode<_, _, _>, input: graphene_core::GraphicGroup, params: [glam::IVec2, glam::IVec2, Color]),
	];
	let mut map: HashMap<NodeIdentifier, HashMap<NodeIOTypes, NodeConstructor>> = HashMap::new();
	for (id, c, types) in node_types.into_iter().flatten() {
		// TODO: this is a hack to remove the newline from the node new_name
		// This occurs for the ChannelMixerNode presumably because of the long name.
		// This might be caused by the stringify! macro
		let new_name = id.name.replace('\n', " ");
		let nid = NodeIdentifier { name: Cow::Owned(new_name) };
		map.entry(nid).or_default().insert(types.clone(), c);
	}
	map
}

pub static NODE_REGISTRY: Lazy<HashMap<NodeIdentifier, HashMap<NodeIOTypes, NodeConstructor>>> = Lazy::new(|| node_registry());

#[cfg(test)]
mod protograph_testing {
	// TODO: adde tests testing the node registry
}