import {ShaderAssemblerMaterial, CustomAssemblerMap} from './_BaseMaterial';

import {ShaderAssemblerCustomMeshDistance} from './custom/mesh/CustomMeshDistance';
import {ShaderAssemblerCustomMeshDepth} from './custom/mesh/CustomMeshDepth';
import {ShaderAssemblerCustomMeshDepthDOF} from './custom/mesh/CustomMeshDepthDOF';
import {CustomMaterialName} from '../../../../../../core/geometry/Material';
import {ShaderName} from '../../../../utils/shaders/ShaderName';

const ASSEMBLER_MAP: CustomAssemblerMap = new Map([
	// [CustomMaterialName.DISTANCE, ShaderAssemblerCustomMeshDistance],
	// [CustomMaterialName.DEPTH, ShaderAssemblerCustomMeshDepth],
	// [CustomMaterialName.DEPTH_DOF, ShaderAssemblerCustomMeshDepthDOF],
]);
ASSEMBLER_MAP.set(CustomMaterialName.DEPTH, ShaderAssemblerCustomMeshDepth); // for spot lights and directional
ASSEMBLER_MAP.set(CustomMaterialName.DISTANCE, ShaderAssemblerCustomMeshDistance); // for point lights
ASSEMBLER_MAP.set(CustomMaterialName.DEPTH_DOF, ShaderAssemblerCustomMeshDepthDOF); // for CoreScene.withOverridenMaterial

export const INSERT_DEFINE_AFTER_MAPF_FOR_MESH: Map<ShaderName, string> = new Map([
	[ShaderName.VERTEX, '#include <skinning_pars_vertex>'],
	[ShaderName.FRAGMENT, '#include <common>'],
]);
export abstract class ShaderAssemblerMesh extends ShaderAssemblerMaterial {
	// TODO: I've noticed a case where instances would not display when those shadow shaders were exported
	// But the objects display fine if those are not assigned
	// so it could be a bug at render time (not sure if my code, threejs or hardware)
	override customAssemblerClassByCustomName(): CustomAssemblerMap | undefined {
		return ASSEMBLER_MAP;
	}
	protected override insertDefineAfter(shaderName: ShaderName): string | undefined {
		return INSERT_DEFINE_AFTER_MAPF_FOR_MESH.get(shaderName);
	}
}