/**
 * $Id$
 * $Date$
 *
 */

package org.xmlsh.builtin.commands;

import java.net.URI;
import java.util.List;
import net.sf.saxon.s9api.XdmNode;
import net.sf.saxon.s9api.XdmNodeKind;
import net.sf.saxon.s9api.XdmValue;
import org.xmlsh.core.BuiltinCommand;
import org.xmlsh.core.InvalidArgumentException;
import org.xmlsh.core.Options;
import org.xmlsh.core.XValue;
import org.xmlsh.core.io.IXdmItemOutputStream;
import org.xmlsh.core.io.OutputPort;
import org.xmlsh.sh.shell.SerializeOpts;
import org.xmlsh.util.Util;
import lombok.extern.log4j.Log4j2;

@Log4j2
public class xecho extends BuiltinCommand {

  @Override
  public int run(List<XValue> args) throws Exception {

    Options opts = new Options("n,p=port:", SerializeOpts.getOptionDefs());
    opts.parse(args);

    args = opts.getRemainingArgs();
    boolean nolf = opts.hasOpt("n");

    String port = opts.getOptString("p", null);

    OutputPort stdout = port != null ? mShell.getEnv().getOutputPort(port)
        : mShell.getEnv().getStdout();

    if(stdout == null)
      throw new InvalidArgumentException("Output port not found: " + port);

    SerializeOpts serializeOpts = mShell.getSerializeOpts(opts);
    IXdmItemOutputStream dest = stdout.asXdmItemOutputStream(serializeOpts);

    args = Util.expandSequences(args);

    boolean bFirst = true;
    for(XValue arg : args) {
      XdmValue value = arg.toXdmValue();
      if(!bFirst)
        stdout.writeSequenceSeperator(serializeOpts);

      else {

        if(value instanceof XdmNode) {
          XdmNode xdmNode = ((XdmNode) value);
          // DAL: Note workaround bug in Saxon, crashes if getBaseURI on
          // Attribute or text
          if(xdmNode.getNodeKind() != XdmNodeKind.ATTRIBUTE &&
              xdmNode.getNodeKind() != XdmNodeKind.TEXT) {
            URI uri = xdmNode.getBaseURI();
            stdout.setSystemId(uri.toString());
          }
        }
      }

      bFirst = false;
      dest.write(value);

    }
    if(!nolf)
      stdout.writeSequenceTerminator(serializeOpts);
    return 0;
  }
}
//
//
// Copyright (C) 2008-2014 David A. Lee.
//
// The contents of this file are subject to the "Simplified BSD License" (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.opensource.org/licenses/bsd-license.php
//
// Software distributed under the License is distributed on an "AS IS" basis,
// WITHOUT WARRANTY OF ANY KIND, either express or implied.
// See the License for the specific language governing rights and limitations
// under the License.
//
// The Original Code is: all this file.
//
// The Initial Developer of the Original Code is David A. Lee
//
// Portions created by (your name) are Copyright (C) (your legal entity). All
// Rights Reserved.
//
// Contributor(s): none.
//