/*
    * 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.plugins.checkstyle.exec;
  
  import java.util.HashMap;
  import java.util.LinkedList;
  import java.util.List;
  import java.util.Map;
  
  import com.puppycrawl.tools.checkstyle.api.AuditEvent;
  import com.puppycrawl.tools.checkstyle.api.Configuration;
  import com.puppycrawl.tools.checkstyle.api.SeverityLevel;
  
  /**
   * Object holding the references to the CheckstyleResults.
   * TODO: provide fallback to disk based storage if too many results.
   *
   * @author <a href="mailto:joakim@erdfelt.net">Joakim Erdfelt</a>
   *
   */
  public class CheckstyleResults {
      private Map<String, List<AuditEvent>> files;
  
      private Configuration configuration;
  
      public CheckstyleResults() {
          files = new HashMap<>();
      }
  
      public List<AuditEvent> getFileViolations(String file) {
          List<AuditEvent> violations;
  
          if (this.files.containsKey(file)) {
              violations = this.files.get(file);
          } else {
              violations = new LinkedList<>();
              if (file != null) {
                  this.files.put(file, violations);
              }
          }
  
          return violations;
      }
  
      public void setFileViolations(String file, List<AuditEvent> violations) {
          if (file != null) {
              this.files.put(file, violations);
          }
      }
  
      public Map<String, List<AuditEvent>> getFiles() {
          return files;
      }
  
      public void setFiles(Map<String, List<AuditEvent>> files) {
          this.files = files;
      }
  
      public int getFileCount() {
          return this.files.size();
      }
  
      public long getSeverityCount(SeverityLevel level) {
          long count = 0;
  
          for (List<AuditEvent> errors : this.files.values()) {
              count = count + getSeverityCount(errors, level);
          }
  
          return count;
      }
  
      public long getSeverityCount(String file, SeverityLevel level) {
          long count = 0;
  
          if (!this.files.containsKey(file)) {
              return count;
          }
  
          List<AuditEvent> violations = this.files.get(file);
  
          count = getSeverityCount(violations, level);
  
         return count;
     }
 
     public long getSeverityCount(List<AuditEvent> violations, SeverityLevel level) {
         long count = 0;
 
         for (AuditEvent event : violations) {
             if (event.getSeverityLevel().equals(level)) {
                 count++;
             }
         }
 
         return count;
     }
 
     public Configuration getConfiguration() {
         return configuration;
     }
 
     public void setConfiguration(Configuration configuration) {
         this.configuration = configuration;
     }
 }