import { IERPConnector } from "../types/erp-connector.js";
import { sdkLogger as logger } from "../services/reporting-service/logger.js";
import { pathToFileURL } from "url";

/**
 * Helper function to dynamically import and create connector instance from a file path
 * @param connectorPath - The file path to the connector module
 * @returns A new instance of the IERPConnector
 */
export const createConnectorFromPath = async (
  connectorPath: string
): Promise<IERPConnector> => {
  try {
    // Some detailed debug logging to help with troubleshooting multi-platform connector paths
    const pathParts = connectorPath.split('/');
    const filename = pathParts[pathParts.length - 1];

    // Use silly for development-time only logging
    logger.silly("createConnectorFromPath:", {
      connectorPath,
      pathParts,
      filename,
      finalImport: pathToFileURL(connectorPath).href,
    });

    const connectorModule = await import(pathToFileURL(connectorPath).href);

    // Get the default export or named export
    const ConnectorClass =
      connectorModule.default ||
      connectorModule[Object.keys(connectorModule)[0]];

    if (!ConnectorClass) {
      throw new Error(`No connector class found in module: ${connectorPath}`);
    }

    // Create new instance of the connector
    return new ConnectorClass();
  } catch (error) {
    logger.error(
      `Failed to create connector instance from path: ${connectorPath}`,
      { error }
    );
    throw error;
  }
};