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

/**
 * Get Gateway WAN Compression Stats
 * GET /monitoring/v1/gateways/{serial}/uplinks/wan_compression_stats
 *
 * @param this The n8n execution context
 * @returns Formatted API response
 */
export async function getWanCompressionStats(
	this: IExecuteFunctions,
): Promise<INodeExecutionData[]> {
	try {
		// Get required parameters
		const serial = this.getNodeParameter('serial', 0) as string;

		// Get additional fields
		const additionalFields = this.getNodeParameter('additionalFields', 0, {}) as IDataObject;

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

		// Set query parameters
		options.qs = {};
		if (additionalFields.uplink_id) options.qs.uplink_id = additionalFields.uplink_id;
		if (additionalFields.interval) options.qs.interval = additionalFields.interval;
		if (additionalFields.from_timestamp)
			options.qs.from_timestamp = additionalFields.from_timestamp;
		if (additionalFields.to_timestamp) options.qs.to_timestamp = additionalFields.to_timestamp;

		// No body parameters

		// Construct API endpoint
		const endpoint = `/monitoring/v1/gateways/${encodeURIComponent(serial)}/uplinks/wan_compression_stats`;
		logger.debug('monitoring:gateway:getWanCompressionStats', `Requesting: ${endpoint}`);

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

		// Format and return response
		return [{ json: responseData }];
	} catch (error) {
		logger.error('monitoring:gateway:getWanCompressionStats:error', { message: error.message });
		return handleApiError.call(this, error, 'Failed to get WAN compression stats');
	}
}