arminhammer/wolkenkratzer

import { IResource } from '../types';

/**
 * Create a Resource object
 * @param {*} name
 * @param {*} properties
 * @param {*} options
 */
export function Resource(name: string, properties, options): IResource {
  if (!name) {
    throw new SyntaxError(`New Resource is invalid. A Name is required.`);
  }
  if (!properties) {
    properties = {};
  }
  if (properties) {
    _validateProperties(properties, this.name, this.json);
  }
  const result: any = {
    Name: name,
    Properties: properties,
    Type: this.json.Resources[this.name].Name,
    kind: 'Resource'
  };
  if (options) {
    if (options.Condition) {
      result.Condition = options.Condition;
    }
  }
  return result;
}

export function CustomResource(name: string, properties, options): IResource {
  if (!name) {
    throw new SyntaxError(`New Resource is invalid. A Name is required.`);
  }
  return {
    Name: name,
    Properties: properties,
    Type: `Custom::${name}`,
    kind: 'Resource'
  };
}

/**
 * @hidden
 * @param properties
 * @param rType
 * @param model
 */
function _validateProperties(properties, rType: string, model) {
  // Check if keys other than the defined ones are present
  Object.keys(properties).forEach(p => {
    if (!model.Resources[rType].Properties[p]) {
      throw new SyntaxError(`${p} is not a valid attribute of ${rType}`);
    }
  });
  // Check if all of the required keys are present
  Object.keys(model.Resources[rType].Properties).forEach(p => {
    if (model.Resources[rType].Properties[p].Required) {
      if (!properties[p]) {
        throw new SyntaxError(
          `${p} is required but is not present in ${rType}`
        );
      }
    }
    if (model.Resources[rType].Properties[p].Type === 'List') {
      if (properties[p] && !Array.isArray(properties[p])) {
        if (
          !properties[p].kind &&
          (properties[p].kind !== 'Ref' && !properties[p].Ref) &&
          (properties[p].kind !== 'FnGetAZs' &&
            typeof properties[p]['Fn::GetAZ'] !== 'undefined') &&
          (properties[p].kind !== 'FnGetAtt' && !properties[p]['Fn::GetAtt']) &&
          (properties[p].kind !== 'FnSplit' && !properties[p]['Fn::Split'])
        ) {
          /*console.log('p');
          console.log(p);
          console.log(typeof properties[p]['Fn::GetAZ'] === 'undefined');
          console.log(!Object.keys(properties[p]).includes('Fn::GetAZs'));*/
          throw new SyntaxError(`${p} must be an array in ${rType}`);
        }
      }
    } else {
      if (properties[p] && Array.isArray(properties[p])) {
        throw new SyntaxError(`${p} cannot be an array in ${rType}`);
      }
    }
  });
}