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

package org.xmlsh.aws;

import java.io.IOException;
import java.util.List;
import javax.xml.stream.XMLStreamException;
import org.xmlsh.aws.util.AWSCFNCommand;
import org.xmlsh.core.CoreException;
import org.xmlsh.core.Options;
import org.xmlsh.core.SafeXMLStreamWriter;
import org.xmlsh.core.UnexpectedException;
import org.xmlsh.core.XValue;
import org.xmlsh.core.io.OutputPort;
import com.amazonaws.services.cloudformation.model.DescribeStacksRequest;
import com.amazonaws.services.cloudformation.model.DescribeStacksResult;
import com.amazonaws.services.cloudformation.model.Stack;
import net.sf.saxon.s9api.SaxonApiException;

public class cfnDescribeStacks extends AWSCFNCommand {

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

    Options opts = getOptions("n=name:");
    parseOptions(opts, args);

    args = opts.getRemainingArgs();

    setSerializeOpts(this.getSerializeOpts(opts));

    try {
      getCFNClient(opts);
    } catch (UnexpectedException e) {
      usage(e.getLocalizedMessage());
      return 1;

    }

    int ret = describe(opts.getOptString("name", null));

    return ret;

  }

  private int describe(String name)
      throws IOException, XMLStreamException, SaxonApiException, CoreException {

    OutputPort stdout = getStdout();
    mWriter = new SafeXMLStreamWriter(
        stdout.asXMLStreamWriter(getSerializeOpts()));

    startDocument();
    startElement(getName());

    DescribeStacksRequest request = new DescribeStacksRequest();
    if(name != null)
      request.setStackName(name);

    traceCall("describeStacks");

    DescribeStacksResult result = getAWSClient().describeStacks(request);

    do {
      for(Stack stack : result.getStacks()) {
        writeStack(stack);
      }
      request.setNextToken(result.getNextToken());
    } while(request.getNextToken() != null);

    endElement();
    endDocument();
    closeWriter();

    stdout.writeSequenceTerminator(getSerializeOpts());

    return 0;

  }

  private void writeStack(Stack stack) throws XMLStreamException {
    startElement("stack");
    attribute("creation-time", stack.getCreationTime());
    attribute("description", stack.getDescription());
    attribute("disable-rollback", stack.getDisableRollback());
    attribute("last-update-time", stack.getLastUpdatedTime());
    attribute("stack-id", stack.getStackId());
    attribute("stack-name", stack.getStackName());
    attribute("stack-status", stack.getStackStatus());
    attribute("stack-status-reason", stack.getStackStatusReason());
    attribute("timeout", stack.getTimeoutInMinutes());

    writeParameters(stack.getParameters());
    writeOutputs(stack.getOutputs());
    writeCapibilities(stack.getCapabilities());
    writeNotifications(stack.getNotificationARNs());
    writeTags(stack.getTags());
  }

}

/*
 * 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): David A. Lee
 * 
 */