/**
    * Copyright (C) 2010-2012 Joerg Bellmann <joerg.bellmann@googlemail.com>
    *
    * 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 com.googlecode.t7mp;
  
  import java.util.Collection;
  import java.util.List;
  
  import org.apache.maven.model.Dependency;
  
  import com.google.common.base.Predicate;
  import com.google.common.collect.Collections2;
  import com.google.common.collect.Lists;
  import com.googlecode.t7mp.steps.Context;
  import com.googlecode.t7mp.steps.Step;
  
  public class CheckT7ArtifactsStep implements Step {
  
      private Predicate<AbstractArtifact> noVersionPredicate;
  
      @Deprecated
      private AbstractT7BaseMojo mojo;
      private T7Configuration configuration;
      private PluginLog log;
      private final Collection<AbstractArtifact> noVersionArtifacts = Lists.newArrayList();
  
      @SuppressWarnings("unchecked")
      @Override
      public void execute(Context context) {
          mojo = ((MavenPluginContext) context).getMojo();
          configuration = context.getConfiguration();
          log = context.getLog();
          noVersionPredicate = new NoVersionPredicate(log);
          log.debug("Fitler libs");
          noVersionArtifacts.addAll(Collections2.filter(configuration.getWebapps(), noVersionPredicate));
          log.debug("Filter webapps");
          noVersionArtifacts.addAll(Collections2.filter(configuration.getLibs(), noVersionPredicate));
          if (noVersionArtifacts.size() > 0) {
              log.debug("artifacts without version found ");
              List<Dependency> projectDependencies = mojo.getMavenProject().getDependencies();
              List<Dependency> managedDependencies = mojo.getMavenProject().getDependencyManagement().getDependencies();
              if (log.isDebugEnabled()) {
                  log.debug("Project-Dependencies : " + projectDependencies.size());
                  logDependencies(projectDependencies);
                  log.debug("Managed-Dependencies : " + managedDependencies.size());
                  logDependencies(managedDependencies);
              }
              Predicate<Dependency> depsfilter = new FindVersionPredicate(noVersionArtifacts, log);
              log.debug("Filter projectArtifacts");
              // first managed dependencies
              Collection<Dependency> depsApplied = Collections2.filter(managedDependencies, depsfilter);
              // project dependencies can overwrite filtering results
              depsApplied.addAll(Collections2.filter(projectDependencies, depsfilter));
              log.debug(depsApplied.size() + " dependenciey applied");
              log.debug("check for noversion-artifacts again ...");
              Collection<AbstractArtifact> noVersionsFound = Collections2.filter(noVersionArtifacts, noVersionPredicate);
              if (noVersionsFound.size() > 0) {
                  for (AbstractArtifact artifact : noVersionsFound) {
                      log.error("No version configured for artifact --" + artifact.toString());
                  }
                  throw new TomcatSetupException("ConfigurationException");
              }
          }
      }
  
      protected void logDependencies(List<Dependency> dependencies) {
          for (Dependency dependency : dependencies) {
              log.debug("found dependency : " + dependency.toString() + " groupId:" + dependency.getGroupId() + " artifactId:" + dependency.getArtifactId()
                      + " version:" + dependency.getVersion() + " packaging:" + dependency.getType());
          }
      }
  
  }