/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package org.apache.isis.viewer.wicket.ui.components.scalars.jodatime.jdk8time;

import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;

import java.time.OffsetDateTime;

import org.apache.isis.core.unittestsupport.jmocking.JUnitRuleMockery2;
import org.apache.isis.core.unittestsupport.jmocking.JUnitRuleMockery2.Mode;
import org.apache.isis.viewer.wicket.model.isis.WicketViewerSettings;
import org.apache.isis.viewer.wicket.ui.components.scalars.jdk8time.DateConverterForJdk8OffsetDateTime;
import org.jmock.Expectations;
import org.jmock.auto.Mock;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;

public class DateConverterForJdk8OffsetDateTimeTest {

    @Rule
    public JUnitRuleMockery2 context = JUnitRuleMockery2.createFor(Mode.INTERFACES_AND_CLASSES);

    @Mock
    private WicketViewerSettings settings;

    @Before
    public void setUp() throws Exception {
        context.checking(new Expectations() {
            {
                allowing(settings).getDatePattern();
                will(returnValue("yyyy-MM-dd"));
                allowing(settings).getDateTimePattern();
                will(returnValue("yyyy-MM-dd HH:mm"));
            }
        });
    }
    
    
    @Test
    public void roundtripWhenParsingDateFormat() {
        final DateConverterForJdk8OffsetDateTime converter = new DateConverterForJdk8OffsetDateTime(settings, 0);
        final OffsetDateTime dt = converter.convertToObject("2013-05-11", null);
        assertThat(dt, is(sample(2013, 05, 11, 0, 0)));
        
        final String str = converter.convertToString(dt, null);
        assertThat(str, is("2013-05-11 00:00"));
    }
    
    @Test
    public void roundtripWhenParsingDateTimeFormat() {
        final DateConverterForJdk8OffsetDateTime converter = new DateConverterForJdk8OffsetDateTime(settings, 0);
        final OffsetDateTime dt = converter.convertToObject("2013-05-11 00:00", null);
        assertThat(dt, is(sample(2013, 05, 11, 0, 0)));
        
        final String str = converter.convertToString(dt, null);
        assertThat(str, is("2013-05-11 00:00"));
    }
    
    @Test
    public void roundtripWhenParsingDateFormatWithAdjustBy() {
        final DateConverterForJdk8OffsetDateTime converter = new DateConverterForJdk8OffsetDateTime(settings, -1);
        final OffsetDateTime dt = converter.convertToObject("2013-05-11", null);
        assertThat(dt, is(sample(2013, 05, 12, 0, 0)));
        
        final String str = converter.convertToString(dt, null);
        assertThat(str, is("2013-05-11 00:00"));
    }

    @Test
    public void roundtripWhenParsingDateTimeFormatWithAdjustBy() {
        final DateConverterForJdk8OffsetDateTime converter = new DateConverterForJdk8OffsetDateTime(settings, -1);
        final OffsetDateTime dt = converter.convertToObject("2013-05-11 00:00", null);
        assertThat(dt, is(sample(2013, 05, 12, 0, 0)));
        
        final String str = converter.convertToString(dt, null);
        assertThat(str, is("2013-05-11 00:00"));
    }


	private static OffsetDateTime sample( int year, int month, int dayOfMonth,
            int hour, int minute) {
		return OffsetDateTime.of(year, month, dayOfMonth, hour, minute, 0, 0, 
				OffsetDateTime.now().getOffset());
	}
    
    
    

}
