import {
	BINARY_ENCODING,
	IExecuteFunctions,
} from 'n8n-core';
import {
	IDataObject,
	ILoadOptionsFunctions,
	INodeExecutionData,
	INodeProperties,
	INodePropertyOptions,
	INodeType,
	INodeTypeDescription,
	NodeOperationError,
} from 'n8n-workflow';
import * as gm from 'gm';
import { file } from 'tmp-promise';
import {
	parse as pathParse,
} from 'path';
import {
	writeFile as fsWriteFile,
} from 'fs';
import { promisify } from 'util';
const fsWriteFileAsync = promisify(fsWriteFile);
import * as getSystemFonts from 'get-system-fonts';


const nodeOperations: INodePropertyOptions[] = [
	{
		name: 'Blur',
		value: 'blur',
		description: 'Adds a blur to the image and so makes it less sharp',
	},
	{
		name: 'Border',
		value: 'border',
		description: 'Adds a border to the image',
	},
	{
		name: 'Composite',
		value: 'composite',
		description: 'Composite image on top of another one',
	},
	{
		name: 'Create',
		value: 'create',
		description: 'Create a new image',
	},
	{
		name: 'Crop',
		value: 'crop',
		description: 'Crops the image',
	},
	{
		name: 'Draw',
		value: 'draw',
		description: 'Draw on image',
	},
	{
		name: 'Rotate',
		value: 'rotate',
		description: 'Rotate image',
	},
	{
		name: 'Resize',
		value: 'resize',
		description: 'Change the size of image',
	},
	{
		name: 'Shear',
		value: 'shear',
		description: 'Shear image along the X or Y axis',
	},
	{
		name: 'Text',
		value: 'text',
		description: 'Adds text to image',
	},
];


const nodeOperationOptions: INodeProperties[] = [

	// ----------------------------------
	//         create
	// ----------------------------------
	{
		displayName: 'Background Color',
		name: 'backgroundColor',
		type: 'color',
		default: '#ffffff00',
		typeOptions: {
			showAlpha: true,
		},
		displayOptions: {
			show: {
				operation: [
					'create',
				],
			},
		},
		description: 'The background color of the image to create.',
	},
	{
		displayName: 'Image Width',
		name: 'width',
		type: 'number',
		default: 50,
		typeOptions: {
			minValue: 1,
		},
		displayOptions: {
			show: {
				operation: [
					'create',
				],
			},
		},
		description: 'The width of the image to create.',
	},
	{
		displayName: 'Image Height',
		name: 'height',
		type: 'number',
		default: 50,
		typeOptions: {
			minValue: 1,
		},
		displayOptions: {
			show: {
				operation: [
					'create',
				],
			},
		},
		description: 'The height of the image to create.',
	},


	// ----------------------------------
	//         draw
	// ----------------------------------
	{
		displayName: 'Primitive',
		name: 'primitive',
		type: 'options',
		displayOptions: {
			show: {
				operation: [
					'draw',
				],
			},
		},
		options: [
			{
				name: 'Line',
				value: 'line',
			},
			{
				name: 'Rectangle',
				value: 'rectangle',
			},
		],
		default: 'rectangle',
		description: 'The primitive to draw.',
	},
	{
		displayName: 'Color',
		name: 'color',
		type: 'color',
		default: '#ff000000',
		typeOptions: {
			showAlpha: true,
		},
		displayOptions: {
			show: {
				operation: [
					'draw',
				],
			},
		},
		description: 'The color of the primitive to draw',
	},
	{
		displayName: 'Start Position X',
		name: 'startPositionX',
		type: 'number',
		default: 50,
		displayOptions: {
			show: {
				operation: [
					'draw',
				],
				primitive: [
					'line',
					'rectangle',
				],
			},
		},
		description: 'X (horizontal) start position of the primitive.',
	},
	{
		displayName: 'Start Position Y',
		name: 'startPositionY',
		type: 'number',
		default: 50,
		displayOptions: {
			show: {
				operation: [
					'draw',
				],
				primitive: [
					'line',
					'rectangle',
				],
			},
		},
		description: 'Y (horizontal) start position of the primitive.',
	},
	{
		displayName: 'End Position X',
		name: 'endPositionX',
		type: 'number',
		default: 250,
		displayOptions: {
			show: {
				operation: [
					'draw',
				],
				primitive: [
					'line',
					'rectangle',
				],
			},
		},
		description: 'X (horizontal) end position of the primitive.',
	},
	{
		displayName: 'End Position Y',
		name: 'endPositionY',
		type: 'number',
		default: 250,
		displayOptions: {
			show: {
				operation: [
					'draw',
				],
				primitive: [
					'line',
					'rectangle',
				],
			},
		},
		description: 'Y (horizontal) end position of the primitive.',
	},
	{
		displayName: 'Corner Radius',
		name: 'cornerRadius',
		type: 'number',
		default: 0,
		displayOptions: {
			show: {
				operation: [
					'draw',
				],
				primitive: [
					'rectangle',
				],
			},
		},
		description: 'The radius of the corner to create round corners.',
	},

	// ----------------------------------
	//         text
	// ----------------------------------
	{
		displayName: 'Text',
		name: 'text',
		typeOptions: {
			rows: 5,
		},
		type: 'string',
		default: '',
		placeholder: 'Text to render',
		displayOptions: {
			show: {
				operation: [
					'text',
				],
			},
		},
		description: 'Text to write on the image.',
	},
	{
		displayName: 'Font Size',
		name: 'fontSize',
		type: 'number',
		default: 18,
		displayOptions: {
			show: {
				operation: [
					'text',
				],
			},
		},
		description: 'Size of the text.',
	},
	{
		displayName: 'Font Color',
		name: 'fontColor',
		type: 'color',
		default: '#000000',
		displayOptions: {
			show: {
				operation: [
					'text',
				],
			},
		},
		description: 'Color of the text.',
	},
	{
		displayName: 'Position X',
		name: 'positionX',
		type: 'number',
		default: 50,
		displayOptions: {
			show: {
				operation: [
					'text',
				],
			},
		},
		description: 'X (horizontal) position of the text.',
	},
	{
		displayName: 'Position Y',
		name: 'positionY',
		type: 'number',
		default: 50,
		displayOptions: {
			show: {
				operation: [
					'text',
				],
			},
		},
		description: 'Y (vertical) position of the text.',
	},
	{
		displayName: 'Max Line Length',
		name: 'lineLength',
		type: 'number',
		typeOptions: {
			minValue: 1,
		},
		default: 80,
		displayOptions: {
			show: {
				operation: [
					'text',
				],
			},
		},
		description: 'Max amount of characters in a line before a<br />line-break should get added.',
	},

	// ----------------------------------
	//         blur
	// ----------------------------------
	{
		displayName: 'Blur',
		name: 'blur',
		type: 'number',
		typeOptions: {
			minValue: 0,
			maxValue: 1000,
		},
		default: 5,
		displayOptions: {
			show: {
				operation: [
					'blur',
				],
			},
		},
		description: 'How strong the blur should be',
	},
	{
		displayName: 'Sigma',
		name: 'sigma',
		type: 'number',
		typeOptions: {
			minValue: 0,
			maxValue: 1000,
		},
		default: 2,
		displayOptions: {
			show: {
				operation: [
					'blur',
				],
			},
		},
		description: 'The sigma of the blur',
	},


	// ----------------------------------
	//         border
	// ----------------------------------
	{
		displayName: 'Border Width',
		name: 'borderWidth',
		type: 'number',
		default: 10,
		displayOptions: {
			show: {
				operation: [
					'border',
				],
			},
		},
		description: 'The width of the border',
	},
	{
		displayName: 'Border Height',
		name: 'borderHeight',
		type: 'number',
		default: 10,
		displayOptions: {
			show: {
				operation: [
					'border',
				],
			},
		},
		description: 'The height of the border',
	},
	{
		displayName: 'Border Color',
		name: 'borderColor',
		type: 'color',
		default: '#000000',
		displayOptions: {
			show: {
				operation: [
					'border',
				],
			},
		},
		description: 'Color of the border.',
	},


	// ----------------------------------
	//         composite
	// ----------------------------------
	{
		displayName: 'Composite Image Property',
		name: 'dataPropertyNameComposite',
		type: 'string',
		default: '',
		placeholder: 'data2',
		displayOptions: {
			show: {
				operation: [
					'composite',
				],
			},
		},
		description: 'The name of the binary property which contains the data of the image to<br />composite on top of image which is found in Property Name.',
	},
	{
		displayName: 'Position X',
		name: 'positionX',
		type: 'number',
		default: 0,
		displayOptions: {
			show: {
				operation: [
					'composite',
				],
			},
		},
		description: 'X (horizontal) position of composite image.',
	},
	{
		displayName: 'Position Y',
		name: 'positionY',
		type: 'number',
		default: 0,
		displayOptions: {
			show: {
				operation: [
					'composite',
				],
			},
		},
		description: 'Y (vertical) position of composite image.',
	},

	// ----------------------------------
	//         crop
	// ----------------------------------
	{
		displayName: 'Width',
		name: 'width',
		type: 'number',
		default: 500,
		displayOptions: {
			show: {
				operation: [
					'crop',
				],
			},
		},
		description: 'Crop width',
	},
	{
		displayName: 'Height',
		name: 'height',
		type: 'number',
		default: 500,
		displayOptions: {
			show: {
				operation: [
					'crop',
				],
			},
		},
		description: 'Crop height',
	},
	{
		displayName: 'Position X',
		name: 'positionX',
		type: 'number',
		default: 0,
		displayOptions: {
			show: {
				operation: [
					'crop',
				],
			},
		},
		description: 'X (horizontal) position to crop from.',
	},
	{
		displayName: 'Position Y',
		name: 'positionY',
		type: 'number',
		default: 0,
		displayOptions: {
			show: {
				operation: [
					'crop',
				],
			},
		},
		description: 'Y (vertical) position to crop from.',
	},

	// ----------------------------------
	//         resize
	// ----------------------------------
	{
		displayName: 'Width',
		name: 'width',
		type: 'number',
		default: 500,
		displayOptions: {
			show: {
				operation: [
					'resize',
				],
			},
		},
		description: 'New width of the image',
	},
	{
		displayName: 'Height',
		name: 'height',
		type: 'number',
		default: 500,
		displayOptions: {
			show: {
				operation: [
					'resize',
				],
			},
		},
		description: 'New height of the image',
	},
	{
		displayName: 'Option',
		name: 'resizeOption',
		type: 'options',
		options: [
			{
				name: 'Ignore Aspect Ratio',
				value: 'ignoreAspectRatio',
				description: 'Ignore aspect ratio and resize exactly to specified values',
			},
			{
				name: 'Maximum area',
				value: 'maximumArea',
				description: 'Specified values are maximum area',
			},
			{
				name: 'Minimum Area',
				value: 'minimumArea',
				description: 'Specified values are minimum area',
			},
			{
				name: 'Only if larger',
				value: 'onlyIfLarger',
				description: 'Resize only if image is larger than width or height',
			},
			{
				name: 'Only if smaller',
				value: 'onlyIfSmaller',
				description: 'Resize only if image is smaller than width or height',
			},
			{
				name: 'Percent',
				value: 'percent',
				description: 'Width and height are specified in percents.',
			},
		],
		default: 'maximumArea',
		displayOptions: {
			show: {
				operation: [
					'resize',
				],
			},
		},
		description: 'How to resize the image.',
	},

	// ----------------------------------
	//         rotate
	// ----------------------------------
	{
		displayName: 'Rotate',
		name: 'rotate',
		type: 'number',
		typeOptions: {
			minValue: -360,
			maxValue: 360,
		},
		default: 0,
		displayOptions: {
			show: {
				operation: [
					'rotate',
				],
			},
		},
		description: 'How much the image should be rotated',
	},
	{
		displayName: 'Background Color',
		name: 'backgroundColor',
		type: 'color',
		default: '#ffffffff',
		typeOptions: {
			showAlpha: true,
		},
		displayOptions: {
			show: {
				operation: [
					'rotate',
				],
			},
		},
		description: 'The color to use for the background when image gets rotated by anything which is not a multiple of 90.',
	},


	// ----------------------------------
	//         shear
	// ----------------------------------
	{
		displayName: 'Degrees X',
		name: 'degreesX',
		type: 'number',
		default: 0,
		displayOptions: {
			show: {
				operation: [
					'shear',
				],
			},
		},
		description: 'X (horizontal) shear degrees.',
	},
	{
		displayName: 'Degrees Y',
		name: 'degreesY',
		type: 'number',
		default: 0,
		displayOptions: {
			show: {
				operation: [
					'shear',
				],
			},
		},
		description: 'Y (vertical) shear degrees.',
	},
];


export class EditImage implements INodeType {
	description: INodeTypeDescription = {
		displayName: 'Edit Image',
		name: 'editImage',
		icon: 'fa:image',
		group: ['transform'],
		version: 1,
		description: 'Edits an image like blur, resize or adding border and text',
		defaults: {
			name: 'Edit Image',
			color: '#553399',
		},
		inputs: ['main'],
		outputs: ['main'],
		properties: [
			{
				displayName: 'Operation',
				name: 'operation',
				type: 'options',
				options: [
					{
						name: 'Get Information',
						value: 'information',
						description: 'Returns image information like resolution',
					},
					{
						name: 'Multi Step',
						value: 'multiStep',
						description: 'Perform multiple operations',
					},
					...nodeOperations,
				].sort((a, b) => {
					if ((a as INodePropertyOptions).name.toLowerCase() < (b as INodePropertyOptions).name.toLowerCase()) { return -1; }
					if ((a as INodePropertyOptions).name.toLowerCase() > (b as INodePropertyOptions).name.toLowerCase()) { return 1; }
					return 0;
				}) as INodePropertyOptions[],
				default: 'border',
				description: 'The operation to perform.',
			},
			{
				displayName: 'Property Name',
				name: 'dataPropertyName',
				type: 'string',
				default: 'data',
				description: 'Name of the binary property in which the image data can be found.',
			},


			// ----------------------------------
			//         multiStep
			// ----------------------------------
			{
				displayName: 'Operations',
				name: 'operations',
				placeholder: 'Add Operation',
				type: 'fixedCollection',
				typeOptions: {
					multipleValues: true,
					sortable: true,
				},
				displayOptions: {
					show: {
						operation: [
							'multiStep',
						],
					},
				},
				description: 'The operations to perform.',
				default: {},
				options: [
					{
						name: 'operations',
						displayName: 'Operations',
						values: [
							{
								displayName: 'Operation',
								name: 'operation',
								type: 'options',
								options: nodeOperations,
								default: '',
								description: 'The operation to perform.',
							},
							...nodeOperationOptions,
							{
								displayName: 'Font',
								name: 'font',
								type: 'options',
								displayOptions: {
									show: {
										'operation': [
											'text',
										],
									},
								},
								typeOptions: {
									loadOptionsMethod: 'getFonts',
								},
								default: 'default',
								description: 'The font to use.',
							},
						],
					},
				],
			},

			...nodeOperationOptions,
			{
				displayName: 'Options',
				name: 'options',
				type: 'collection',
				placeholder: 'Add Option',
				default: {},
				displayOptions: {
					hide: {
						operation: [
							'information',
						],
					},
				},
				options: [
					{
						displayName: 'File Name',
						name: 'fileName',
						type: 'string',
						default: '',
						description: 'File name to set in binary data.',
					},
					{
						displayName: 'Font',
						name: 'font',
						type: 'options',
						displayOptions: {
							show: {
								'/operation': [
									'text',
								],
							},
						},
						typeOptions: {
							loadOptionsMethod: 'getFonts',
						},
						default: 'default',
						description: 'The font to use.',
					},
					{
						displayName: 'Format',
						name: 'format',
						type: 'options',
						options: [
							{
								name: 'bmp',
								value: 'bmp',
							},
							{
								name: 'gif',
								value: 'gif',
							},
							{
								name: 'jpeg',
								value: 'jpeg',
							},
							{
								name: 'png',
								value: 'png',
							},
							{
								name: 'tiff',
								value: 'tiff',
							},
						],
						default: 'jpeg',
						description: 'Set the output image format.',
					},
					{
						displayName: 'Quality',
						name: 'quality',
						type: 'number',
						typeOptions: {
							minValue: 0,
							maxValue: 100,
						},
						default: 100,
						displayOptions: {
							show: {
								format: [
									'jpeg',
									'png',
									'tiff',
								],
							},
						},
						description: 'Sets the jpeg|png|tiff compression level from 0 to 100 (best).',
					},
				],
			},
		],
	};


	methods = {
		loadOptions: {
			async getFonts(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {

				// @ts-ignore
				const files = await getSystemFonts();
				const returnData: INodePropertyOptions[] = [];

				files.forEach((file: string) => {
					const pathParts = pathParse(file);
					if (!pathParts.ext) {
						return;
					}

					returnData.push({
						name: pathParts.name,
						value: file,
					});
				});

				returnData.sort((a, b) => {
					if (a.name < b.name) { return -1; }
					if (a.name > b.name) { return 1; }
					return 0;
				});

				returnData.unshift({
					name: 'default',
					value: 'default',
				});

				return returnData;
			},

		},
	};

	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
		const items = this.getInputData();

		const returnData: INodeExecutionData[] = [];
		const length = items.length as unknown as number;
		let item: INodeExecutionData;

		for (let itemIndex = 0; itemIndex < length; itemIndex++) {

			try {

				item = items[itemIndex];


				const operation = this.getNodeParameter('operation', itemIndex) as string;
				const dataPropertyName = this.getNodeParameter('dataPropertyName', itemIndex) as string;

				const options = this.getNodeParameter('options', itemIndex,{}) as IDataObject;

				const cleanupFunctions: Array<() => void> = [];

				let gmInstance: gm.State;

				const requiredOperationParameters: {
					[key: string]: string[],
				} = {
					blur: [
						'blur',
						'sigma',
					],
					border: [
						'borderColor',
						'borderWidth',
						'borderHeight',
					],
					create: [
						'backgroundColor',
						'height',
						'width',
					],
					crop: [
						'height',
						'positionX',
						'positionY',
						'width',
					],
					composite: [
						'dataPropertyNameComposite',
						'positionX',
						'positionY',
					],
					draw: [
						'color',
						'cornerRadius',
						'endPositionX',
						'endPositionY',
						'primitive',
						'startPositionX',
						'startPositionY',
					],
					information: [],
					resize: [
						'height',
						'resizeOption',
						'width',
					],
					rotate: [
						'backgroundColor',
						'rotate',
					],
					shear: [
						'degreesX',
						'degreesY',
					],
					text: [
						'font',
						'fontColor',
						'fontSize',
						'lineLength',
						'positionX',
						'positionY',
						'text',
					],
				};

				let operations: IDataObject[] = [];
				if (operation === 'multiStep') {
					// Operation parameters are already in the correct format
					const operationsData = this.getNodeParameter('operations', itemIndex ,{ operations: [] }) as IDataObject;
					operations = operationsData.operations as IDataObject[];
				} else {
					// Operation parameters have to first get collected
					const operationParameters: IDataObject = {};
					requiredOperationParameters[operation].forEach(parameterName => {
						try {
							operationParameters[parameterName] = this.getNodeParameter(parameterName, itemIndex);
						} catch (error) {}
					});

					operations = [
						{
							operation,
							...operationParameters,
						},
					];
				}

				if (operations[0].operation !== 'create') {
					// "create" generates a new image so does not require any incoming data.
					if (item.binary === undefined) {
						throw new NodeOperationError(this.getNode(), 'Item does not contain any binary data.');
					}

					if (item.binary[dataPropertyName as string] === undefined) {
						throw new NodeOperationError(this.getNode(), `Item does not contain any binary data with the name "${dataPropertyName}".`);
					}

					gmInstance = gm(Buffer.from(item.binary![dataPropertyName as string].data, BINARY_ENCODING));
					gmInstance = gmInstance.background('transparent');
				}

				if (operation === 'information') {
					// Just return the information
					const imageData = await new Promise<IDataObject>((resolve, reject) => {
						gmInstance = gmInstance.identify((error, imageData) => {
							if (error) {
								reject(error);
								return;
							}
							resolve(imageData as unknown as IDataObject);
						});
					});

					item.json = imageData;
					returnData.push(item);
				}

				for (let i = 0; i < operations.length; i++) {
					const operationData = operations[i];
					if (operationData.operation === 'blur') {
						gmInstance = gmInstance!.blur(operationData.blur as number, operationData.sigma as number);
					} else if (operationData.operation === 'border') {
						gmInstance = gmInstance!.borderColor(operationData.borderColor as string).border(operationData.borderWidth as number, operationData.borderHeight as number);
					} else if (operationData.operation === 'composite') {
						const positionX = operationData.positionX as number;
						const positionY = operationData.positionY as number;

						const geometryString = (positionX >= 0 ? '+' : '') + positionX + (positionY >= 0 ? '+' : '') + positionY;

						if (item.binary![operationData.dataPropertyNameComposite as string] === undefined) {
							throw new NodeOperationError(this.getNode(), `Item does not contain any binary data with the name "${operationData.dataPropertyNameComposite}".`);
						}

						const { fd, path, cleanup } = await file();
						cleanupFunctions.push(cleanup);
						await fsWriteFileAsync(fd, Buffer.from(item.binary![operationData.dataPropertyNameComposite as string].data, BINARY_ENCODING));

						if (operations[0].operation === 'create') {
							// It seems like if the image gets created newly we have to create a new gm instance
							// else it fails for some reason
							gmInstance = gm(gmInstance!.stream('png')).geometry(geometryString).composite(path);
						} else {
							gmInstance = gmInstance!.geometry(geometryString).composite(path);
						}

						if (operations.length !== i + 1) {
							// If there are other operations after the current one create a new gm instance
							// because else things do get messed up
							gmInstance = gm(gmInstance.stream());
						}
					} else if (operationData.operation === 'create') {
						gmInstance = gm(operationData.width as number, operationData.height as number, operationData.backgroundColor as string);
							if (!options.format) {
								options.format = 'png';
							}
					} else if (operationData.operation === 'crop') {
						gmInstance = gmInstance!.crop(operationData.width as number, operationData.height as number, operationData.positionX as number, operationData.positionY as number);
					} else if (operationData.operation === 'draw') {
						gmInstance = gmInstance!.fill(operationData.color as string);

						if (operationData.primitive === 'line') {
							gmInstance = gmInstance.drawLine(operationData.startPositionX as number, operationData.startPositionY as number, operationData.endPositionX as number, operationData.endPositionY as number);
						} else if (operationData.primitive === 'rectangle') {
							gmInstance = gmInstance.drawRectangle(operationData.startPositionX as number, operationData.startPositionY as number, operationData.endPositionX as number, operationData.endPositionY as number, operationData.cornerRadius as number || undefined);
						}
					} else if (operationData.operation === 'resize') {
						const resizeOption = operationData.resizeOption as string;

						// By default use "maximumArea"
						let option: gm.ResizeOption = '@';
						if (resizeOption === 'ignoreAspectRatio') {
							option = '!';
						} else if (resizeOption === 'minimumArea') {
							option = '^';
						} else if (resizeOption === 'onlyIfSmaller') {
							option = '<';
						} else if (resizeOption === 'onlyIfLarger') {
							option = '>';
						} else if (resizeOption === 'percent') {
							option = '%';
						}

						gmInstance = gmInstance!.resize(operationData.width as number, operationData.height as number, option);
					} else if (operationData.operation === 'rotate') {
						gmInstance = gmInstance!.rotate(operationData.backgroundColor as string, operationData.rotate as number);
					} else if (operationData.operation === 'shear') {
						gmInstance = gmInstance!.shear(operationData.degreesX as number, operationData.degreesY as number);
					} else if (operationData.operation === 'text') {
						// Split the text in multiple lines
						const lines: string[] = [];
						let currentLine = '';
						(operationData.text as string).split('\n').forEach((textLine: string) => {
							textLine.split(' ').forEach((textPart: string) => {
								if ((currentLine.length + textPart.length + 1) > (operationData.lineLength as number)) {
									lines.push(currentLine.trim());
									currentLine = `${textPart} `;
									return;
								}
								currentLine += `${textPart} `;
							});

							lines.push(currentLine.trim());
							currentLine = '';
						});

						// Combine the lines to a single string
						const renderText = lines.join('\n');

						const font = options.font || operationData.font;

						if (font && font !== 'default') {
							gmInstance = gmInstance!.font(font as string);
						}

						gmInstance = gmInstance!
							.fill(operationData.fontColor as string)
							.fontSize(operationData.fontSize as number)
							.drawText(operationData.positionX as number, operationData.positionY as number, renderText);
					}
				}

				const newItem: INodeExecutionData = {
					json: item.json,
					binary: {},
				};

				if (item.binary !== undefined) {
					// Create a shallow copy of the binary data so that the old
					// data references which do not get changed still stay behind
					// but the incoming data does not get changed.
					Object.assign(newItem.binary, item.binary);
					// Make a deep copy of the binary data we change
					if (newItem.binary![dataPropertyName as string]) {
						newItem.binary![dataPropertyName as string] = JSON.parse(JSON.stringify(newItem.binary![dataPropertyName as string]));
					}
				}

				if (newItem.binary![dataPropertyName as string] === undefined) {
					newItem.binary![dataPropertyName as string] = {
						data: '',
						mimeType: '',
					};
				}

				if (options.quality !== undefined) {
					gmInstance = gmInstance!.quality(options.quality as number);
				}

				if (options.format !== undefined) {
					gmInstance = gmInstance!.setFormat(options.format as string);
					newItem.binary![dataPropertyName as string].fileExtension = options.format as string;
					newItem.binary![dataPropertyName as string].mimeType = `image/${options.format}`;
					const fileName = newItem.binary![dataPropertyName as string].fileName;
					if (fileName && fileName.includes('.')) {
						newItem.binary![dataPropertyName as string].fileName = fileName.split('.').slice(0, -1).join('.') + '.' + options.format;
					}
				}

				if (options.fileName !== undefined) {
					newItem.binary![dataPropertyName as string].fileName = options.fileName as string;
				}

				returnData.push(await (new Promise<INodeExecutionData>((resolve, reject) => {
					gmInstance
						.toBuffer((error: Error | null, buffer: Buffer) => {
							cleanupFunctions.forEach(async cleanup => await cleanup());

							if (error) {
								return reject(error);
							}

							newItem.binary![dataPropertyName as string].data = buffer.toString(BINARY_ENCODING);

							return resolve(newItem);
						});
				})));

			} catch (error) {
				if (this.continueOnFail()) {
					returnData.push({json:{ error: error.message }});
					continue;
				}
				throw error;
			}
		}
		return this.prepareOutputData(returnData);
	}
}