/*
    * 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.config;
  
  import com.amazonaws.services.elasticbeanstalk.model.CreateConfigurationTemplateRequest;
  import com.amazonaws.services.elasticbeanstalk.model.CreateConfigurationTemplateResult;
  
  import org.apache.commons.lang.StringUtils;
  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 java.util.Arrays;
  
  import br.com.ingenieux.mojo.beanstalk.AbstractBeanstalkMojo;
  import br.com.ingenieux.mojo.beanstalk.ConfigurationTemplate;
  
  import static org.apache.commons.lang.StringUtils.isBlank;
  
  /**
   * Describes Available Configuration Templates
   *
   * @author Aldrin Leal
   * @since 0.2.5
   */
  @Mojo(name = "create-configuration-templates")
  public class CreateConfigurationTemplateMojo extends AbstractBeanstalkMojo {
  
    /**
     * Beanstalk Application Name
     */
    @Parameter(property = "beanstalk.applicationName", defaultValue = "${project.artifactId}", required = true)
    String applicationName;
  
    /**
     * Configuration Template Name (Optional)
     */
    @Parameter(property = "beanstalk.configurationTemplate")
    String configurationTemplate;
  
    /**
     * Configuration Templates
     */
    @Parameter ConfigurationTemplate[] configurationTemplates;
  
    @Override
    protected Object executeInternal() throws MojoExecutionException, MojoFailureException {
      boolean bConfigurationTemplateDefined = StringUtils.isNotBlank(configurationTemplate);
  
      if (bConfigurationTemplateDefined) {
        return createConfiguration(configurationTemplate);
      } else {
        for (ConfigurationTemplate template : configurationTemplates) {
          createConfiguration(template.getId());
        }
      }
  
      return null;
    }
  
    CreateConfigurationTemplateResult createConfiguration(String templateName) throws MojoFailureException {
      ConfigurationTemplate template = getConfigurationTemplate(templateName);
  
      if (null == template) {
        throw new MojoFailureException(String.format("templateName ('%s') not found", templateName));
      }
  
      if (isBlank(template.getSolutionStack())) {
        throw new MojoFailureException(String.format("Please define solutionStack/ in template %s", templateName));
      }
  
      CreateConfigurationTemplateRequest req = new CreateConfigurationTemplateRequest(applicationName, templateName);
  
      req.setSolutionStackName(template.getSolutionStack());
      req.setOptionSettings(Arrays.asList(template.getOptionSettings()));
  
      return getService().createConfigurationTemplate(req);
    }
  
    private ConfigurationTemplate getConfigurationTemplate(String id) {
      for (ConfigurationTemplate template : configurationTemplates) {
        if (id.equals(template.getId())) {
          return template;
        }
     }
 
     return null;
   }
 }