import { defaultsDeep, isEmpty } from 'lodash';

import { AdditionalFields, RollbackType } from './AdditionalFields';
import { DeploymentStrategyRegistry } from '../../deploymentStrategy.registry';

DeploymentStrategyRegistry.registerStrategy({
  label: 'Monitored Deploy',
  description: `Creates a new version of this server group, then incrementally resizes the new server group while monitoring progress using a deployment monitor.`,
  key: 'monitored',
  providerRestricted: true,
  additionalFields: ['deploySteps', 'scaleDown'],
  AdditionalFieldsComponent: AdditionalFields,
  initializationMethod: (command) => {
    defaultsDeep(command, {
      failureActions: {
        destroyInstances: false,
        rollback: RollbackType.Automatic,
      },
      deploymentMonitor: { id: '' },
      maxRemainingAsgs: 2,
    });

    // defaultsDeep will merge the arrays, which we don't want hence check deploySteps separately
    if (isEmpty(command.deploySteps)) {
      command.deploySteps = [10, 40, 100];
    }
  },
});