/**
 * @author Olsi Rrjolli
 */

import { IAwsRequestEvent } from '../types/index';
import  ControllerRegistry from '../ControllerRegistry';
import MethodInformation from '../models/MethodInformation';

/**
 * Execute the Book Store method which will needed
 * @param awsRequestEvent
 *  The awsRequestEvent (httpMethod, resource...)
 *  @throws MethodExecuteError
 *    If the method can't execute
 */
export const execute = (awsRequestEvent: IAwsRequestEvent): Promise<any> => {
  let methodInformation: MethodInformation;
  return Promise.resolve().then(() => {
      methodInformation = ControllerRegistry.controllerScan(awsRequestEvent);
      return Reflect.apply(methodInformation.toCallMethod, undefined, methodInformation.args);
  }).catch((error) => {
    if (methodInformation) {
      console.trace('Execution error for selected method:', methodInformation.toCallMethod.name, error);
    }

    return Promise.reject(error);
  });
};