/*
    * 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 org.basepom.mojo.repack;
  
  import static com.google.common.base.Preconditions.checkNotNull;
  import static com.google.common.base.Preconditions.checkState;
  import static org.basepom.mojo.repack.Wildcard.wildcardMatch;
  
  import java.util.List;
  import java.util.Objects;
  import java.util.Optional;
  import javax.annotation.CheckForNull;
  
  import com.google.common.base.Joiner;
  import com.google.common.base.MoreObjects;
  import com.google.common.base.Splitter;
  import com.google.common.collect.ImmutableList;
  import org.apache.maven.artifact.Artifact;
  
  final class DependencyDefinition {
  
      private final String artifactId;
      private final String groupId;
      private final String type;
      @CheckForNull
      private final String classifier;
  
      DependencyDefinition(final String value) {
          checkNotNull(value, "value is null");
  
          List<String> elements = Splitter.on(':').trimResults().splitToList(value);
          checkState(!elements.isEmpty(), "Dependency reference requires at least a group id!");
  
          String groupId = elements.get(0);
  
          this.groupId = groupId.isEmpty() ? "*" : groupId;
  
          this.artifactId = elements.size() > 1 && !elements.get(1).isEmpty() ? elements.get(1) : "*";
          String type = elements.size() > 2 && !elements.get(2).isEmpty() ? elements.get(2) : "jar";
          String classifier = elements.size() > 3 && !elements.get(3).isEmpty() ? elements.get(3) : null;
  
          if ("test-jar".equals(type)) {
              this.type = "jar";
              this.classifier = MoreObjects.firstNonNull(classifier, "tests");
          } else {
              this.type = type;
              this.classifier = classifier;
          }
      }
  
      DependencyDefinition(final Artifact artifact) {
          checkNotNull(artifact, "artifact is null");
  
          this.artifactId = checkNotNull(artifact.getArtifactId(), "artifactId for artifact '%s' is null", artifact);
          this.groupId = checkNotNull(artifact.getGroupId(), "groupId for artifact '%s' is null", artifact);
  
          final String type = artifact.getType();
          final String classifier = artifact.getClassifier();
          if ("test-jar".equals(type)) {
              this.classifier = MoreObjects.firstNonNull(classifier, "tests");
              this.type = "jar";
          } else {
              this.type = MoreObjects.firstNonNull(type, "jar");
              this.classifier = classifier;
          }
      }
  
      public String getArtifactId() {
          return artifactId;
      }
  
      public String getGroupId() {
          return groupId;
      }
  
      public String getType() {
          return type;
      }
  
      public Optional<String> getClassifier() {
          return Optional.ofNullable(classifier);
      }
  
      public boolean matches(final Artifact artifact) {
          return matches(new DependencyDefinition(artifact));
      }
  
     public boolean matches(final DependencyDefinition other) {
 
         if (!wildcardMatch(getGroupId(), other.getGroupId())) {
             return false;
         }
 
         if (!wildcardMatch(getArtifactId(), other.getArtifactId())) {
             return false;
         }
 
         if (!Objects.equals(getType(), other.getType())) {
             return false;
         }
 
         // If a classifier is present, try to match the other classifier,
         // otherwise, if no classifier is present, it matches all classifiers from the other DependencyDefinition.
         return getClassifier()
             .map(cl -> Objects.equals(cl, other.getClassifier().orElse(null)))
             .orElse(true);
     }
 
     @Override
     public boolean equals(Object o) {
         if (this == o) {
             return true;
         }
         if (o == null || getClass() != o.getClass()) {
             return false;
         }
         DependencyDefinition that = (DependencyDefinition) o;
         return artifactId.equals(that.artifactId) && groupId.equals(that.groupId) && type.equals(that.type) && Objects.equals(classifier, that.classifier);
     }
 
     @Override
     public int hashCode() {
         return Objects.hash(artifactId, groupId, type, classifier);
     }
 
     @Override
     public String toString() {
         final ImmutableList.Builder<String> builder = ImmutableList.builder();
 
         builder.add(getGroupId());
         builder.add(getArtifactId());
 
         builder.add(getType());
         builder.add(getClassifier().orElse("<any>"));
         return Joiner.on(':').join(builder.build());
     }
 }