/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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 org.apache.maven.shared.release.phase;
  
  import java.util.List;
  
  import org.apache.maven.artifact.ArtifactUtils;
  import org.apache.maven.project.MavenProject;
  import org.apache.maven.scm.manager.NoSuchScmProviderException;
  import org.apache.maven.scm.repository.ScmRepositoryException;
  import org.apache.maven.shared.release.ReleaseExecutionException;
  import org.apache.maven.shared.release.ReleaseFailureException;
  import org.apache.maven.shared.release.ReleaseResult;
  import org.apache.maven.shared.release.config.ReleaseDescriptor;
  import org.apache.maven.shared.release.env.ReleaseEnvironment;
  import org.apache.maven.shared.release.scm.ReleaseScmRepositoryException;
  import org.apache.maven.shared.release.scm.ScmRepositoryConfigurator;
  import org.codehaus.plexus.util.StringUtils;
  
  import static java.util.Objects.requireNonNull;
  
  /**
   * Phase that checks the validity of the POM before release.
   *
   * @author <a href="mailto:brett@apache.org">Brett Porter</a>
   */
  public abstract class AbstractCheckPomPhase extends AbstractReleasePhase {
  
      private final ScmRepositoryConfigurator scmRepositoryConfigurator;
  
      /**
       * @since 2.4
       */
      private final boolean scmRequired;
  
      /**
       * @since 2.5.2
       */
      private final boolean snapshotsRequired;
  
      public AbstractCheckPomPhase(
              ScmRepositoryConfigurator scmRepositoryConfigurator, boolean scmRequired, boolean snapshotsRequired) {
          this.scmRepositoryConfigurator = requireNonNull(scmRepositoryConfigurator);
          this.scmRequired = scmRequired;
          this.snapshotsRequired = snapshotsRequired;
      }
  
      @Override
      public ReleaseResult execute(
              ReleaseDescriptor releaseDescriptor,
              ReleaseEnvironment releaseEnvironment,
              List<MavenProject> reactorProjects)
              throws ReleaseExecutionException, ReleaseFailureException {
          ReleaseResult result = new ReleaseResult();
  
          // Currently, we don't deal with multiple SCM locations in a multiproject
          if (scmRequired) {
              if (StringUtils.isEmpty(releaseDescriptor.getScmSourceUrl())) {
                  throw new ReleaseFailureException(
                          "Missing required setting: scm connection or developerConnection must be specified.");
              }
  
              try {
                  scmRepositoryConfigurator.getConfiguredRepository(releaseDescriptor, releaseEnvironment.getSettings());
              } catch (ScmRepositoryException e) {
                  throw new ReleaseScmRepositoryException(e.getMessage(), e.getValidationMessages());
              } catch (NoSuchScmProviderException e) {
                  throw new ReleaseFailureException(
                          "The provider given in the SCM URL could not be found: " + e.getMessage());
              }
          }
  
          boolean containsSnapshotProjects = false;
  
          for (MavenProject project : reactorProjects) {
              if (ArtifactUtils.isSnapshot(project.getVersion())) {
                  containsSnapshotProjects = true;
  
                  break;
              }
          }
  
          if (snapshotsRequired && !containsSnapshotProjects && !releaseDescriptor.isBranchCreation()) {
             throw new ReleaseFailureException("You don't have a SNAPSHOT project in the reactor projects list.");
         }
 
         result.setResultCode(ReleaseResult.SUCCESS);
 
         return result;
     }
 
     @Override
     public ReleaseResult simulate(
             ReleaseDescriptor releaseDescriptor,
             ReleaseEnvironment releaseEnvironment,
             List<MavenProject> reactorProjects)
             throws ReleaseExecutionException, ReleaseFailureException {
         // It makes no modifications, so simulate is the same as execute
         return execute(releaseDescriptor, releaseEnvironment, reactorProjects);
     }
 }