/*
    * SPDX-FileCopyrightText: none
    * SPDX-License-Identifier: CC0-1.0
    */
   
   package gov.nist.secauto.oscal.tools.cli.core.commands;
   
   import gov.nist.secauto.metaschema.cli.commands.AbstractConvertSubcommand;
   import gov.nist.secauto.metaschema.cli.processor.CLIProcessor.CallingContext;
  import gov.nist.secauto.metaschema.cli.processor.command.CommandExecutionException;
  import gov.nist.secauto.metaschema.cli.processor.command.ICommandExecutor;
  import gov.nist.secauto.metaschema.core.model.IBoundObject;
  import gov.nist.secauto.metaschema.databind.IBindingContext;
  import gov.nist.secauto.metaschema.databind.io.Format;
  import gov.nist.secauto.metaschema.databind.io.IBoundLoader;
  import gov.nist.secauto.oscal.lib.OscalBindingContext;
  
  import org.apache.commons.cli.CommandLine;
  import org.apache.logging.log4j.LogManager;
  import org.apache.logging.log4j.Logger;
  
  import java.io.FileNotFoundException;
  import java.io.IOException;
  import java.io.Writer;
  import java.net.URI;
  
  import edu.umd.cs.findbugs.annotations.NonNull;
  
  /**
   * Used by implementing classes to provide an OSCAL content conversion command.
   * <p>
   * This executor provides user feedback about extending command being deprecated
   * in favor of the {@link ConvertCommand}.
   */
  public abstract class AbstractOscalConvertCommand
      extends AbstractConvertSubcommand {
    private static final Logger LOGGER = LogManager.getLogger(AbstractOscalConvertCommand.class);
  
    /**
     * Get the bound object class for the assembly associated with the command.
     *
     * @return the bound object class for the associated assembly
     */
    @NonNull
    public abstract Class<? extends IBoundObject> getOscalClass();
  
    @Override
    public ICommandExecutor newExecutor(CallingContext callingContext, CommandLine commandLine) {
      return new CommandExecutor(callingContext, commandLine);
    }
  
    private final class CommandExecutor
        extends AbstractConversionCommandExecutor {
  
      private CommandExecutor(
          @NonNull CallingContext callingContext,
          @NonNull CommandLine commandLine) {
        super(callingContext, commandLine);
      }
  
      @Override
      protected IBindingContext getBindingContext() {
        return OscalBindingContext.instance();
      }
  
      @Override
      public void execute() throws CommandExecutionException {
        LOGGER.atWarn().log("This command path is deprecated. Please use 'convert'.");
  
        super.execute();
      }
  
      @Override
      protected void handleConversion(URI source, Format toFormat, Writer writer, IBoundLoader loader)
          throws FileNotFoundException, IOException {
        Class<? extends IBoundObject> clazz = getOscalClass();
        loader.convert(source, writer, toFormat, clazz);
      }
    }
  }