package org.kuali.student.contract.mojo;
   
   import java.io.File;
   import java.util.Collection;
   import java.util.List;
   
   import org.apache.maven.plugin.AbstractMojo;
   import org.apache.maven.plugin.MojoExecutionException;
   
  import org.kuali.student.contract.model.ServiceContractModel;
  import org.kuali.student.contract.model.impl.ServiceContractModelCache;
  import org.kuali.student.contract.model.impl.ServiceContractModelQDoxLoader;
  import org.kuali.student.contract.model.util.HtmlContractWriter;
  import org.kuali.student.contract.model.validation.ServiceContractModelValidator;
  
  /**
   * The plugin entrypoint which is used to generate the html wiki doc of the service interface.
   * @goal kscontractdoc
   * @phase site
   * @requiresProject true
   */
  public class KSContractDocMojo extends AbstractMojo {
  
      /**
       * @parameter
       **/
      private List<String> sourceDirs;
      /**
       * @parameter expression="${htmlDirectory}" default-value="${project.build.directory}/site/services/contractdocs"
       */
      private File htmlDirectory;
  
      public File getHtmlDirectory() {
          return htmlDirectory;
      }
  
      public List<String> getSourceDirs() {
          return sourceDirs;
      }
  
      public void setHtmlDirectory(File htmlDirectory) {
          this.htmlDirectory = htmlDirectory;
      }
  
      public void setSourceDirs(List<String> sourceDirs) {
          this.sourceDirs = sourceDirs;
      }
  
      private ServiceContractModel getModel() {
          ServiceContractModel instance = new ServiceContractModelQDoxLoader(
                  sourceDirs);
          return new ServiceContractModelCache(instance);
  
      }
  
      private boolean validate(ServiceContractModel model) {
          Collection<String> errors = new ServiceContractModelValidator(model).validate();
          if (errors.size() > 0) {
              StringBuilder buf = new StringBuilder();
              buf.append(errors.size()).append(" errors found while validating the data.");
              return false;
  
  
          }
          return true;
      }
  
      @Override
      public void execute() throws MojoExecutionException {
          ServiceContractModel model = null;
          HtmlContractWriter writer = null;
          getLog().info("publishing wiki contracts");
          model = this.getModel();
          this.validate(model);
          getLog().info("publishing to = " + this.htmlDirectory.toString());
          writer = new HtmlContractWriter(htmlDirectory.toString(), model);
          writer.write();
  
  
      }
  }