import type { IExecuteFunctions, INodeExecutionData, INodeProperties } from 'n8n-workflow';

import { updateDisplayOptions } from '../../../../../utils/utilities';
import { pipedriveApiRequest } from '../../transport';

const properties: INodeProperties[] = [
	{
		displayName: 'File ID',
		name: 'fileId',
		type: 'number',
		default: 0,
		required: true,
		description: 'ID of the file to download',
	},
	{
		displayName: 'Put Output File in Field',
		name: 'binaryPropertyName',
		type: 'string',
		required: true,
		default: 'data',
		hint: 'The name of the output binary field to put the file in',
	},
];

const displayOptions = {
	show: {
		resource: ['file'],
		operation: ['download'],
	},
};

export const description = updateDisplayOptions(displayOptions, properties);

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

	for (let i = 0; i < items.length; i++) {
		try {
			const fileId = this.getNodeParameter('fileId', i) as number;
			const binaryPropertyName = this.getNodeParameter('binaryPropertyName', i) as string;

			const responseData = await pipedriveApiRequest.call(
				this,
				'GET',
				`/files/${fileId}/download`,
				{},
				{},
				{ apiVersion: 'v1', downloadFile: true },
			);

			const newItem: INodeExecutionData = {
				json: items[i].json,
				pairedItem: { item: i },
				binary: {},
			};

			if (items[i].binary !== undefined) {
				Object.assign(newItem.binary!, items[i].binary);
			}

			newItem.binary![binaryPropertyName] = await this.helpers.prepareBinaryData(
				responseData.data as unknown as Buffer,
			);

			returnData.push(newItem);
		} catch (error) {
			if (this.continueOnFail()) {
				returnData.push({
					json: { error: (error as Error).message },
					pairedItem: { item: i },
				});
				continue;
			}
			throw error;
		}
	}

	return returnData;
}