import { IExecuteFunctions, INodeExecutionData, IDataObject } from 'n8n-workflow';
import { apiRequest } from '../../../../helpers/apiRequest';
import { logger } from '../../../../helpers/logger';
import { handleApiError } from '../../../../helpers/errorHandler';

/**
 * Get Topn
 * GET /monitoring/v1/clients/bandwidth_usage/topn
 *
 * @param this The n8n execution context
 * @returns Formatted API response
 */
export async function getTopn(this: IExecuteFunctions): Promise<INodeExecutionData[]> {
	try {
		// Get additional fields
		const additionalFields = this.getNodeParameter('additionalFields', 0, {}) as IDataObject;
		const cluster_id = additionalFields.cluster_id as string;
		const stack_id = additionalFields.stack_id as string;
		const count = additionalFields.count as number;

		// Construct request options
		const options: IDataObject = {};

		// Set query parameters
		options.qs = options.qs || {};
		if (additionalFields.cluster_id !== undefined) {
			options.qs.cluster_id = cluster_id;
		}
		if (additionalFields.stack_id !== undefined) {
			options.qs.stack_id = stack_id;
		}
		if (additionalFields.count !== undefined) {
			options.qs.count = count;
		}

		// No body parameters

		// Construct API endpoint
		const endpoint = '/monitoring/v1/clients/bandwidth_usage/topn';

		// Make API request
		const responseData = await apiRequest.call(this, 'GET', endpoint, options);

		// Format and return response
		return [{ json: responseData }];
	} catch (error) {
		logger.error('monitoring:client:getTopn:error', { message: error.message });
		return handleApiError.call(this, error, 'Failed to execute get topn');
	}
}