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

import { getActiveCredentialType, getHost } from '../helpers';

export async function execute(this: IExecuteFunctions, i: number): Promise<INodeExecutionData[]> {
	const credentialType = getActiveCredentialType(this, i);
	const host = await getHost(this, credentialType);
	const volumePath = this.getNodeParameter('volumePath', i) as string;
	const directoryPath = this.getNodeParameter('directoryPath', i) as string;
	const additionalFields = this.getNodeParameter('additionalFields', i, {}) as {
		pageSize?: number;
		pageToken?: string;
	};

	const parts = volumePath.split('.');
	if (parts.length !== 3) {
		throw new NodeOperationError(
			this.getNode(),
			'Volume path must be in format: catalog.schema.volume (e.g., main.default.my_volume)',
		);
	}
	const [catalog, schema, volume] = parts;

	const queryParams: Record<string, number | string> = {};
	if (additionalFields.pageSize !== undefined) queryParams.page_size = additionalFields.pageSize;
	if (additionalFields.pageToken) queryParams.page_token = additionalFields.pageToken;

	const response = await this.helpers.httpRequestWithAuthentication.call(this, credentialType, {
		method: 'GET',
		url: directoryPath
			? `${host}/api/2.0/fs/directories/Volumes/${catalog}/${schema}/${volume}/${directoryPath}`
			: `${host}/api/2.0/fs/directories/Volumes/${catalog}/${schema}/${volume}`,
		qs: queryParams,
		json: true,
	});

	return [{ json: response, pairedItem: { item: i } }];
}