/*
    * Copyright (c) 2016 ingenieux Labs
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    * http://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package br.com.ingenieux.mojo.beanstalk.env;
  
  import com.amazonaws.services.elasticbeanstalk.model.ConfigurationOptionSetting;
  import com.amazonaws.services.elasticbeanstalk.model.OptionSpecification;
  import com.amazonaws.services.elasticbeanstalk.model.UpdateEnvironmentRequest;
  
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.MojoFailureException;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.apache.maven.plugins.annotations.Parameter;
  
  import br.com.ingenieux.mojo.beanstalk.AbstractNeedsEnvironmentMojo;
  
  /**
   * Updates the environment configuration (optionsSettings / optionsToRemove)
   *
   * See the <a href= "http://docs.amazonwebservices.com/elasticbeanstalk/latest/api/API_UpdateEnvironment.html"
   * >UpdateEnvironment API</a> call.
   *
   * @since 0.2.2
   */
  @Mojo(name = "update-environment-options", requiresDirectInvocation = true)
  public class UpdateEnvironmentOptionsMojo extends AbstractNeedsEnvironmentMojo {
  
    /**
     * Configuration Option Settings
     */
    @Parameter ConfigurationOptionSetting[] optionSettings;
  
    /**
     * Configuration Options To Remove
     */
    @Parameter OptionSpecification[] optionsToRemove;
  
    /**
     * Environment Name
     */
    @Parameter(property = "beanstalk.environmentDescription", defaultValue = "default")
    String environmentDescription;
    /**
     * Version Label to use.
     */
    @Parameter(property = "beanstalk.versionLabel")
    String versionLabel;
    /**
     * <p>Template Name.</p>
     *
     * <p>Could be either literal or a glob, like, <pre>ingenieux-services-prod-*</pre>. If a glob,
     * there will be a lookup involved, and the first one in reverse ASCIIbetical order will be
     * picked upon. </p>
     */
    @Parameter(property = "beanstalk.templateName")
    String templateName;
    /**
     * What to set?
     */
    @Parameter(property = "beanstalk.whatToSet", defaultValue = "versionLabel", required = true)
    WhatToSet whatToSet;
  
    protected Object executeInternal() throws MojoExecutionException, MojoFailureException {
      UpdateEnvironmentRequest req = new UpdateEnvironmentRequest();
  
      req.setEnvironmentId(curEnv.getEnvironmentId());
      req.setEnvironmentName(curEnv.getEnvironmentName());
  
      if (WhatToSet.versionLabel.equals(whatToSet)) {
        req.setVersionLabel(versionLabel);
      } else if (WhatToSet.description.equals(whatToSet)) {
        req.setDescription(environmentDescription);
      } else if (WhatToSet.optionSettings.equals(whatToSet)) {
        req.setOptionSettings(getOptionSettings(optionSettings));
      } else if (WhatToSet.templateName.equals(whatToSet)) {
        req.setTemplateName(lookupTemplateName(applicationName, templateName));
      } else if (WhatToSet.optionsToRemove.equals(whatToSet)) {
        req.setOptionsToRemove(getOptionsToRemove(optionsToRemove));
      }
  
      return getService().updateEnvironment(req);
    }
  
    public enum WhatToSet {
      description,
      optionSettings,
     templateName,
     versionLabel,
     optionsToRemove
   }
 }