/*
    * 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.invoker;
  
  import java.util.List;
  import java.util.Locale;
  
  import org.apache.maven.doxia.sink.Sink;
  import org.apache.maven.plugin.logging.Log;
  import org.apache.maven.plugins.invoker.model.BuildJob;
  import org.apache.maven.reporting.AbstractMavenReportRenderer;
  import org.codehaus.plexus.i18n.I18N;
  
  public class InvokerReportRenderer extends AbstractMavenReportRenderer {
      private final I18N i18n;
      private final Locale locale;
      private final Log log;
      private final List<BuildJob> buildJobs;
  
      public InvokerReportRenderer(Sink sink, I18N i18n, Locale locale, Log log, List<BuildJob> buildJobs) {
          super(sink);
          this.i18n = i18n;
          this.locale = locale;
          this.log = log;
          this.buildJobs = buildJobs;
      }
  
      @Override
      public String getTitle() {
          return getI18nString("title");
      }
  
      /**
       * @param key The key to translate.
       * @return the translated key.
       */
      private String getI18nString(String key) {
          return i18n.getString("invoker-report", locale, "report.invoker." + key);
      }
  
      /**
       * @param key The key to translate.
       * @param args The args to pass to translated string.
       * @return the translated key.
       */
      private String formatI18nString(String key, Object... args) {
          return i18n.format("invoker-report", locale, "report.invoker." + key, args);
      }
  
      @Override
      protected void renderBody() {
          startSection(getTitle());
          paragraph(getI18nString("description"));
  
          renderSectionSummary();
  
          renderSectionDetails();
  
          endSection();
      }
  
      private void renderSectionSummary() {
          startSection(getI18nString("summary.title"));
  
          startTable();
  
          tableHeader(new String[] {
              getI18nString("summary.builds"),
              getI18nString("summary.success"),
              getI18nString("summary.failures"),
              getI18nString("summary.skipped"),
              getI18nString("summary.successrate"),
              getI18nString("summary.time")
          });
  
          int totalBuilds = buildJobs.size();
          int totalSuccess = 0;
          int totalFailures = 0;
          int totalSkipped = 0;
          float totalTime = 0.0f;
  
          for (BuildJob buildJob : buildJobs) {
              switch (buildJob.getResult()) {
                 case BuildJob.Result.SUCCESS:
                     totalSuccess++;
                     break;
                 case BuildJob.Result.SKIPPED:
                     totalSkipped++;
                     break;
                 default:
                     totalFailures++;
             }
             totalTime += buildJob.getTime();
         }
 
         tableRow(new String[] {
             Integer.toString(totalBuilds),
             Integer.toString(totalSuccess),
             Integer.toString(totalFailures),
             Integer.toString(totalSkipped),
             (totalSuccess + totalFailures > 0)
                     ? formatI18nString("value.successrate", (totalSuccess / (float) (totalSuccess + totalFailures)))
                     : "",
             formatI18nString("value.time", totalTime)
         });
 
         endTable();
 
         endSection();
     }
 
     private void renderSectionDetails() {
         startSection(getI18nString("detail.title"));
 
         startTable();
 
         tableHeader(new String[] {
             getI18nString("detail.name"),
             getI18nString("detail.result"),
             getI18nString("detail.time"),
             getI18nString("detail.message")
         });
 
         for (BuildJob buildJob : buildJobs) {
             renderBuildJob(buildJob);
         }
 
         endTable();
 
         endSection();
     }
 
     private void renderBuildJob(BuildJob buildJob) {
         tableRow(new String[] {
             getBuildJobReportName(buildJob),
             // FIXME image
             buildJob.getResult(),
             formatI18nString("value.time", buildJob.getTime()),
             buildJob.getFailureMessage()
         });
     }
 
     private String getBuildJobReportName(BuildJob buildJob) {
         String buildJobName = buildJob.getName();
         String buildJobDescription = buildJob.getDescription();
         boolean emptyJobName = buildJobName == null || buildJobName.isEmpty();
         boolean emptyJobDescription = buildJobDescription == null || buildJobDescription.isEmpty();
         boolean isReportJobNameComplete = !emptyJobName && !emptyJobDescription;
         if (isReportJobNameComplete) {
             return formatI18nString("text.name_with_description", buildJobName, buildJobDescription);
         } else {
             String buildJobProject = buildJob.getProject();
             if (!emptyJobName) {
                 log.warn(incompleteNameWarning("description", buildJobProject));
             } else if (!emptyJobDescription) {
                 log.warn(incompleteNameWarning("name", buildJobProject));
             }
             return buildJobProject;
         }
     }
 
     private static String incompleteNameWarning(String missing, String pom) {
         return "Incomplete job name-description: " + missing + " is missing. POM (" + pom
                 + ") will be used in place of job name!";
     }
 }