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

/**
 * Retrieves a list of firmware versions for a device
 * GET /firmware/v1/compliance
 *
 * @param this The n8n execution context
 * @returns List of firmware versions
 */
export async function getVersions(this: IExecuteFunctions): Promise<INodeExecutionData[]> {
	try {
		// Get parameters
		const returnAll = this.getNodeParameter('returnAll', 0) as boolean;
		const limit = returnAll ? 0 : (this.getNodeParameter('limit', 0) as number);
		const deviceType = this.getNodeParameter('deviceType', 0) as string;
		const additionalFields = this.getNodeParameter('additionalFields', 0, {}) as IDataObject;

		// Construct request options
		const qs: IDataObject = {
			device_type: deviceType,
		};

		// Add optional parameters
		if (additionalFields.swarm_id) {
			qs.swarm_id = additionalFields.swarm_id;
		}

		if (additionalFields.serial) {
			qs.serial = additionalFields.serial;
		}

		if (additionalFields.group) {
			qs.group = additionalFields.group;
		}

		// Use the proper endpoint from the firmware.json
		const endpoint = '/firmware/v1/compliance';

		// Handle pagination properly
		if (returnAll) {
			return await handlePagination.call(
				this,
				endpoint,
				'GET',
				{},
				qs,
				{ path: ['data'], fallbackPaths: [['firmware_compliance_versions']] },
				returnAll,
				limit,
			);
		}

		// Direct request if not using pagination
		const responseData = await apiRequest.call(
			this,
			'GET',
			endpoint,
			{}, // body
			qs,
		);

		// Format the response properly
		const result = responseData.data || responseData.firmware_compliance_versions || responseData;

		return Array.isArray(result) ? result.map((item) => ({ json: item })) : [{ json: result }];
	} catch (error) {
		logger.error('firmware:version:getVersions:error', { message: error.message });
		return handleApiError.call(this, error, 'Failed to retrieve firmware versions');
	}
}