//
   //  ========================================================================
   //  Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
   //  ------------------------------------------------------------------------
   //  All rights reserved. This program and the accompanying materials
   //  are made available under the terms of the Eclipse Public License v1.0
   //  and Apache License v2.0 which accompanies this distribution.
   //
   //      The Eclipse Public License is available at
  //      http://www.eclipse.org/legal/epl-v10.html
  //
  //      The Apache License v2.0 is available at
  //      http://www.opensource.org/licenses/apache2.0.php
  //
  //  You may elect to redistribute this code under either of these licenses.
  //  ========================================================================
  //
  
  package org.eclipse.jetty.start;
  
  import java.io.BufferedReader;
  import java.io.IOException;
  import java.io.InputStreamReader;
  import java.util.List;
  import java.util.Map;
  import java.util.TreeMap;
  
  /**
   * Handles basic license presentation and acknowledgement.
   */
  public class Licensing
  {
      private static final String PROP_ACK_LICENSES = "org.eclipse.jetty.start.ack.licenses";
      public Map<String, List<String>> licenseMap = new TreeMap<>(new NaturalSort.Strings());
  
      public void addModule(Module module)
      {
          if (!module.hasLicense())
          {
              // skip, no license
              return;
          }
          
          if (licenseMap.containsKey(module.getName()))
          {
              // skip, already being tracked
              return;
          }
  
          licenseMap.put(module.getName(),module.getLicense());
      }
  
      public boolean hasLicenses()
      {
          return !licenseMap.isEmpty();
      }
  
      public boolean acknowledgeLicenses() throws IOException
      {
          if (!hasLicenses())
          {
              return true;
          }
          
          System.err.printf("%nALERT: There are enabled module(s) with licenses.%n");
          System.err.printf("The following %d module(s):%n", licenseMap.size());
          System.err.printf(" + contains software not provided by the Eclipse Foundation!%n");
          System.err.printf(" + contains software not covered by the Eclipse Public License!%n");
          System.err.printf(" + has not been audited for compliance with its license%n");
  
          for (String key : licenseMap.keySet())
          {
              System.err.printf("%n Module: %s%n",key);
              for (String line : licenseMap.get(key))
              {
                  System.err.printf("  + %s%n",line);
              }
          }
  
          boolean licenseAck = false;
  
          String propBasedAckValue = System.getProperty(PROP_ACK_LICENSES);
          if (propBasedAckValue != null)
          {
              StartLog.log("TESTING MODE","Programmatic ACK - %s=%s",PROP_ACK_LICENSES,propBasedAckValue);
              licenseAck = Boolean.parseBoolean(propBasedAckValue);
          }
          else
          {
              if (Boolean.getBoolean("org.eclipse.jetty.start.testing"))
              {
                  throw new RuntimeException("Test Configuration Missing - Pre-specify answer to (" + PROP_ACK_LICENSES + ") in test case");
              }
  
              BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
              System.err.printf("%nProceed (y/N)? ");
              String response = input.readLine();
  
              licenseAck = (Utils.isNotBlank(response) && response.toLowerCase().startsWith("y"));
         }
 
         return licenseAck;
     }
 }