/*
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */
package org.mule.runtime.core.util;

import org.mule.runtime.core.api.MuleContext;
import org.mule.runtime.core.api.agent.Agent;
import org.mule.runtime.core.config.i18n.CoreMessages;

import java.util.Collection;
import java.util.StringTokenizer;

public class ApplicationStartupSplashScreen extends SplashScreen {

  @Override
  protected void doHeader(MuleContext context) {
    header.add("Application: " + context.getConfiguration().getId());
    header.add(String.format("OS encoding: %s, Mule encoding: %s", SystemUtils.FILE_SEPARATOR,
                             context.getConfiguration().getDefaultEncoding()));
    header.add(" ");
  }

  @Override
  protected void doFooter(MuleContext context) {
    // Mule Agents
    if (!body.isEmpty()) {
      footer.add(" ");
    }
    // List agents
    Collection<Agent> agents = context.getRegistry().lookupObjects(Agent.class);
    if (agents.size() == 0) {
      footer.add(CoreMessages.agentsRunning().getMessage() + " " + CoreMessages.none().getMessage());
    } else {
      footer.add(CoreMessages.agentsRunning().getMessage());
      for (Agent agent : agents) {
        String description = agent.getDescription();
        if (description.startsWith("'''")) {
          description = description.substring("'''".length());
          // handle multiline descriptions better
          for (StringTokenizer st = new StringTokenizer(description, String.format("%n")); st.hasMoreTokens();) {
            footer.add("  " + st.nextToken());
          }
        } else {
          footer.add("  " + description);
        }
      }
    }
  }
}