/*
 * 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) 2006 - 2016 Pentaho Corporation..  All rights reserved.
 */

package org.pentaho.reporting.engine.classic.core;

import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.pentaho.reporting.libraries.base.config.HierarchicalConfiguration;

import java.util.Locale;

public class DefaultReportEnvironmentTest {

  private static final String LOCALE_OVERRIDE =
      "org.pentaho.reporting.engine.classic.core.environment.designtime.Locale";

  @Before
  public void setUp() {
    ClassicEngineBoot.getInstance().start();
  }

  @Test
  public void normally_locale_defaults_to_system_locale() {
    ReportEnvironment re = new DefaultReportEnvironment( ClassicEngineBoot.getInstance().getGlobalConfig() );
    Assert.assertEquals( re.getLocale(), Locale.getDefault() );
  }

  @Test
  public void locale_can_be_explicitly_overridden() {
    DefaultReportEnvironment re = new DefaultReportEnvironment( ClassicEngineBoot.getInstance().getGlobalConfig() );
    re.setLocale( Locale.GERMAN );
    Assert.assertEquals( re.getLocale(), Locale.GERMAN );
  }

  @Test
  public void locale_can_be_changed_via_designtime_locale() {
    HierarchicalConfiguration conf =
        new HierarchicalConfiguration( ClassicEngineBoot.getInstance().getGlobalConfig() );
    conf.setConfigProperty( LOCALE_OVERRIDE, Locale.FRENCH.toString() );
    DefaultReportEnvironment re = new DefaultReportEnvironment( conf );
    Assert.assertEquals( re.getLocale(), Locale.FRENCH );
  }

  @Test
  public void locale_explicit_definitions_override_design_time_behaviours() {
    HierarchicalConfiguration conf =
        new HierarchicalConfiguration( ClassicEngineBoot.getInstance().getGlobalConfig() );
    conf.setConfigProperty( LOCALE_OVERRIDE, Locale.FRENCH.toString() );
    DefaultReportEnvironment re = new DefaultReportEnvironment( conf );
    re.setLocale( Locale.GERMAN );
    Assert.assertEquals( re.getLocale(), Locale.GERMAN );
  }

  @Test
  public void locale_properties_are_correct() {
    DefaultReportEnvironment re = new DefaultReportEnvironment( ClassicEngineBoot.getInstance().getGlobalConfig() );
    Locale weirdGerman = new Locale( "de", "DE", "WeirdLocalAccent" );
    Assert.assertEquals( weirdGerman.getCountry(), "DE" );
    Assert.assertEquals( weirdGerman.getLanguage(), "de" );
    Assert.assertEquals( weirdGerman.getVariant(), "WeirdLocalAccent" );

    re.setLocale( weirdGerman );
    Assert.assertEquals( re.getEnvironmentProperty( "locale" ), weirdGerman.toString() );
    Assert.assertEquals( re.getEnvironmentProperty( "locale-language" ), weirdGerman.getLanguage() );
    Assert.assertEquals( re.getEnvironmentProperty( "locale-short" ), "de_DE" );
  }

  @Test
  public void locale_without_country_is_handled() {
    DefaultReportEnvironment re = new DefaultReportEnvironment( ClassicEngineBoot.getInstance().getGlobalConfig() );
    Locale weirdGerman = new Locale( "de", "", "WeirdLocalAccent" );
    Assert.assertEquals( weirdGerman.getCountry(), "" );
    Assert.assertEquals( weirdGerman.getLanguage(), "de" );
    Assert.assertEquals( weirdGerman.getVariant(), "WeirdLocalAccent" );

    re.setLocale( weirdGerman );
    Assert.assertEquals( re.getEnvironmentProperty( "locale" ), weirdGerman.toString() );
    Assert.assertEquals( re.getEnvironmentProperty( "locale-language" ), weirdGerman.getLanguage() );
    Assert.assertEquals( re.getEnvironmentProperty( "locale-short" ), "de" );
  }
}