/*
    *    Copyright 2010-2022 the original author or authors.
    *
    *    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
    *
    *       https://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.mybatis.maven.mvnmigrate.report;
  
  import java.io.File;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Locale;
  import java.util.Map;
  import java.util.ResourceBundle;
  
  import org.apache.ibatis.migration.Change;
  import org.apache.ibatis.migration.commands.StatusCommand;
  import org.apache.ibatis.migration.operations.StatusOperation;
  import org.apache.ibatis.migration.options.SelectedOptions;
  import org.apache.maven.doxia.sink.Sink;
  import org.apache.maven.doxia.siterenderer.Renderer;
  import org.apache.maven.model.ReportPlugin;
  import org.apache.maven.plugins.annotations.Component;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.apache.maven.project.MavenProject;
  import org.apache.maven.reporting.AbstractMavenReport;
  import org.apache.maven.reporting.MavenReportException;
  import org.codehaus.plexus.util.xml.Xpp3Dom;
  
  /**
   * Extends {@link AbstractMavenReport}. <br>
   * Class to generate a Maven report.
   */
  @Mojo(name = "status-report")
  public final class StatusCommandReportMojo extends AbstractMavenReport {
  
    private static final File DEFAULT_REPO = new File(".");
  
    private static final String DEFAULT_ENVIRONMENT = "development";
  
    private static final boolean DEFAULT_FORCE = false;
  
    /**
     * The Maven project to analyze.
     */
    @Parameter(property = "project", required = true, readonly = true)
    private MavenProject project;
  
    /**
     * Target folder.
     */
    @Parameter(property = "project.build.directory", readonly = true)
    private File outputDirectory;
  
    /**
     * The projects in the reactor for aggregation report.
     */
    @Parameter(property = "reactorProjects", readonly = true)
    protected List<MavenProject> reactorProjects;
  
    /**
     * The project site renderer.
     */
    @Component(role = Renderer.class)
    private Renderer siteRenderer;
  
    /**
     * Location of migrate repository.
     */
    @Parameter(property = "migration.path", defaultValue = ".")
    protected File repository;
  
    /**
     * Environment to configure. Default environment is 'development'.
     */
    @Parameter(property = "migration.env", defaultValue = "development")
    protected String environment;
  
    /**
     * Forces script to continue even if SQL errors are encountered.
     */
    @Parameter(property = "migration.force", defaultValue = "false")
    protected boolean force;
  
    /**
     * Skip migration actions.
     */
    @Parameter(property = "migration.skip", defaultValue = "false")
    protected boolean skip;
 
   /**
    * Aggregate report results.
    */
   @Parameter(property = "migration.aggregate", defaultValue = "false")
   protected boolean aggregate;
 
   @Override
   protected void executeReport(Locale locale) throws MavenReportException {
     if (aggregate && !project.isExecutionRoot()) {
       return;
     }
 
     if (skip && !aggregate) {
       if (this.getLog().isInfoEnabled()) {
         this.getLog().info(getBundle(locale).getString("migration.status.report.skipped"));
       }
       return;
     }
 
     // Step 0: Checking pom availability
     if ("pom".equals(this.project.getPackaging()) && !aggregate) {
       if (this.getLog().isInfoEnabled()) {
         this.getLog().info("migration.status.report.skipped.pom");
       }
       return;
     }
 
     if (this.outputDirectory == null || !this.outputDirectory.exists()) {
       if (this.getLog().isInfoEnabled()) {
         this.getLog().info(
             getBundle(locale).getString(getBundle(locale).getString("migration.status.report.skipped.no.target")));
       }
       return;
     }
 
     Map<MavenProject, List<Change>> aggregateReport = new HashMap<MavenProject, List<Change>>();
 
     for (MavenProject mavenProject : reactorProjects) {
 
       Map<String, ReportPlugin> reportPluginMap = mavenProject.getReporting().getReportPluginsAsMap();
       ReportPlugin plug = reportPluginMap.get(getBundle(locale).getString("migration.plugin.key"));
 
       Xpp3Dom configurationDom = (Xpp3Dom) plug.getConfiguration();
 
       File reactorRepo = DEFAULT_REPO;
       String reactorEnv = DEFAULT_ENVIRONMENT;
       boolean reactorForce = DEFAULT_FORCE;
       boolean skipStatusCommand = false;
 
       for (int i = 0; i < configurationDom.getChildCount(); i++) {
         Xpp3Dom child = configurationDom.getChild(i);
         if ("repository".equalsIgnoreCase(child.getName())) {
           reactorRepo = new File(child.getValue());
         } else if ("environment".equalsIgnoreCase(child.getName())) {
           reactorEnv = child.getValue();
         } else if ("force".equalsIgnoreCase(child.getName())) {
           reactorForce = Boolean.valueOf(child.getValue());
         } else if ("skip".equalsIgnoreCase(child.getName())) {
           skipStatusCommand = Boolean.valueOf(child.getValue());
         }
       }
 
       if (skipStatusCommand) {
         continue;
       }
 
       final SelectedOptions options = new SelectedOptions();
       options.getPaths().setBasePath(reactorRepo);
       options.setEnvironment(reactorEnv);
       options.setForce(reactorForce);
 
       StatusCommand analyzer = new StatusCommand(options);
       try {
         analyzer.execute();
         StatusOperation operation = analyzer.getOperation();
         List<Change> analysis = operation.getCurrentStatus();
 
         aggregateReport.put(mavenProject, analysis);
       } catch (RuntimeException e) {
         throw e;
       } catch (Exception e) {
         throw new MavenReportException(getBundle(locale).getString("migration.status.report.error"), e);
       }
     }
 
     // Step 2: Create sink and bundle
     Sink sink = getSink();
     ResourceBundle bundle = getBundle(locale);
 
     // Step 3: Generate the report
     MigrationStatusReportView view = new MigrationStatusReportView();
     view.generateReport(aggregateReport, sink, bundle, aggregate);
   }
 
   @Override
   protected String getOutputDirectory() {
     if (this.getLog().isInfoEnabled()) {
       this.getLog().info(outputDirectory.toString());
     }
     return this.outputDirectory.toString();
   }
 
   @Override
   protected MavenProject getProject() {
     return this.project;
   }
 
   @Override
   protected Renderer getSiteRenderer() {
     return this.siteRenderer;
   }
 
   /**
    * Return the output name of the report.
    *
    * @return the output name.
    */
   @Override
   public String getOutputName() {
     return "migration-status-analysis";
   }
 
   /**
    * Return the name of the report.
    *
    * @return the name of the report.
    */
   @Override
   public String getName(Locale locale) {
     return getBundle(locale).getString("migration.status.report.name");
   }
 
   /**
    * Return the description of the report.
    *
    * @return the description of the report.
    */
   @Override
   public String getDescription(Locale locale) {
     return getBundle(locale).getString("migration.status.report.description");
   }
 
   /**
    * Return the {@link ResourceBundle} given the current locale.
    *
    * @param locale
    *          the current locale.
    */
   protected ResourceBundle getBundle(Locale locale) {
     return ResourceBundle.getBundle("migration-report", locale, this.getClass().getClassLoader());
   }
 
 }