/*!
 * This program is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
 * Foundation.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 * or from the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 *
 * Copyright (c) 2002-2013 Pentaho Corporation..  All rights reserved.
 */

package org.pentaho.reporting.designer.extensions.pentaho.repository.actions;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.auth.AuthScope;
import org.apache.commons.httpclient.cookie.CookiePolicy;
import org.apache.commons.httpclient.methods.GetMethod;
import org.pentaho.reporting.designer.core.auth.AuthenticationData;
import org.pentaho.reporting.designer.core.auth.AuthenticationHelper;
import org.pentaho.reporting.designer.core.settings.WorkspaceSettings;
import org.pentaho.reporting.designer.extensions.pentaho.repository.util.PublishException;
import org.pentaho.reporting.designer.extensions.pentaho.repository.util.PublishUtil;

public class UpdateReservedCharsTask implements AuthenticatedServerTask {
  private AuthenticationData loginData;

  public UpdateReservedCharsTask( final AuthenticationData loginData ) {
    this.loginData = loginData;
  }

  public void setLoginData( AuthenticationData loginData, boolean storeUpdates ) {
    this.loginData = loginData;
  }

  private HttpClient createHttpClient() {
    final HttpClient client = new HttpClient();
    client.getParams().setCookiePolicy( CookiePolicy.BROWSER_COMPATIBILITY );
    client.getParams().setSoTimeout( WorkspaceSettings.getInstance().getConnectionTimeout() * 1000 );
    client.getParams().setAuthenticationPreemptive( true );
    client.getState().setCredentials( AuthScope.ANY,
        AuthenticationHelper.getCredentials( loginData.getUsername(), loginData.getPassword() ) );
    return client;
  }

  private boolean checkResult( int result ) throws PublishException {
    return ( result == HttpStatus.SC_OK );
  }

  /**
   * When an object implementing interface <code>Runnable</code> is used to create a thread, starting the thread causes
   * the object's <code>run</code> method to be called in that separately executing thread.
   * <p/>
   * The general contract of the method <code>run</code> is that it may take any action whatsoever.
   *
   * @see Thread#run()
   */
  public void run() {
    HttpClient client = createHttpClient();
    final GetMethod reservedCharactersMethod =
        new GetMethod( loginData.getUrl() + "/api/repo/files/reservedCharacters" );
    reservedCharactersMethod.setFollowRedirects( false );

    final GetMethod reservedCharactersDisplayMethod =
        new GetMethod( loginData.getUrl() + "/api/repo/files/reservedCharactersDisplay" );
    reservedCharactersDisplayMethod.setFollowRedirects( false );

    try {
      final int result = client.executeMethod( reservedCharactersMethod );
      if ( !checkResult( result ) ) {
        throw new PublishException( 1 );
      }
      PublishUtil.setReservedChars( reservedCharactersMethod.getResponseBodyAsString() );
    } catch ( Exception e ) {
      throw new RuntimeException( e );
    }

    try {
      final int result = client.executeMethod( reservedCharactersDisplayMethod );
      if ( !checkResult( result ) ) {
        throw new PublishException( 1 );
      }
      PublishUtil.setReservedCharsDisplay( reservedCharactersDisplayMethod.getResponseBodyAsString() );
    } catch ( Exception e ) {
      throw new RuntimeException( e );
    }

  }
}