/*
 * ModeShape (http://www.modeshape.org)
 *
 * Licensed 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.modeshape.jcr;

import static org.hamcrest.core.Is.is;
import static org.hamcrest.core.IsNull.notNullValue;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThat;
import java.io.InputStream;
import java.util.Calendar;
import java.util.Date;
import java.util.UUID;
import javax.jcr.Binary;
import javax.jcr.PropertyType;
import javax.jcr.ValueFormatException;
import org.junit.Before;
import org.junit.Test;
import org.mockito.MockitoAnnotations;
import org.modeshape.common.FixFor;
import org.modeshape.common.util.IoUtil;
import org.modeshape.jcr.value.ValueFactories;

public class JcrValueTest {

    private ExecutionContext context;
    private ValueFactories factories;
    private JcrValue value;

    @Before
    public void before() {
        MockitoAnnotations.initMocks(this);

        context = new ExecutionContext();
        factories = context.getValueFactories();
        value = new JcrValue(factories, PropertyType.BOOLEAN, Boolean.TRUE);
    }

    @Test
    public void shouldProvideType() throws Exception {
        assertThat(value.getType(), is(PropertyType.BOOLEAN));
    }

    @Test
    public void shouldAllowConsumingInputStreamAfterConsumingNonInputStream() throws Exception {
        value.getBoolean();
        value.getStream();
    }

    @Test
    public void shouldAllowConsumingNonInputStreamAfterConsumingInputStream() throws Exception {
        value.getBoolean();
        value.getStream();
    }

    @Test
    public void shouldProvideBooleanForBoolean() throws Exception {
        assertThat(value.getBoolean(), is(true));
    }

    @Test( expected = ValueFormatException.class )
    public void shouldNotProvideDateForBoolean() throws Exception {
        value.getDate();
    }

    @Test( expected = ValueFormatException.class )
    public void shouldNotProvideDoubleForBoolean() throws Exception {
        value.getDouble();
    }

    @Test( expected = ValueFormatException.class )
    public void shouldNotProvideLongForBoolean() throws Exception {
        value.getLong();
    }

    @Test
    public void shouldProvideStreamForBoolean() throws Exception {
        testProvidesStream(value);
    }

    @Test
    public void shouldProvideStringForBoolean() throws Exception {
        assertThat(value.getString(), is("true"));
    }

    @Test( expected = ValueFormatException.class )
    public void shouldNotProvideBooleanForDate() throws Exception {
        new JcrValue(factories, PropertyType.DATE, new Date()).getBoolean();
    }

    @Test
    public void shouldProvideDateForDate() throws Exception {
        Date date = new Date();
        assertThat(new JcrValue(factories, PropertyType.DATE, date).getDate().getTime(), is(date));
    }

    @Test
    public void shouldProvideDoubleForDate() throws Exception {
        Date date = new Date();
        assertThat(new JcrValue(factories, PropertyType.DATE, date).getDouble(), is((double)date.getTime()));
    }

    @Test
    public void shouldProvideLongForDate() throws Exception {
        Date date = new Date();
        assertThat(new JcrValue(factories, PropertyType.DATE, date).getLong(), is(date.getTime()));
    }

    @Test
    public void shouldProvideStreamForDate() throws Exception {
        testProvidesStream(new JcrValue(factories, PropertyType.DATE, new Date()));
    }

    @Test
    public void shouldProvideStringForDate() throws Exception {
        Calendar date = Calendar.getInstance();
        date.set(2008, 7, 18, 12, 0, 0);
        date.set(Calendar.MILLISECOND, 0);
        String expectedValue = "2008-08-18T12:00:00.000";
        assertThat(new JcrValue(factories, PropertyType.DATE, date).getString().substring(0, expectedValue.length()),
                   is(expectedValue));
        assertThat(new JcrValue(factories, PropertyType.DATE, date.getTime()).getString().substring(0, expectedValue.length()),
                   is(expectedValue));
    }

    @Test( expected = ValueFormatException.class )
    public void shouldNotProvideBooleanForDouble() throws Exception {
        new JcrValue(factories, PropertyType.DOUBLE, 0.0).getBoolean();
    }

    @Test
    public void shouldProvideDateForDouble() throws Exception {
        Calendar expectedValue = Calendar.getInstance();
        expectedValue.setTime(new Date(0L));
        assertThat(new JcrValue(factories, PropertyType.DOUBLE, 0.0).getDate().getTimeInMillis(),
                   is(expectedValue.getTimeInMillis()));
    }

    @Test
    public void shouldProvideDoubleForDouble() throws Exception {
        assertThat(new JcrValue(factories, PropertyType.DOUBLE, 1.2).getDouble(), is(1.2));
    }

    @Test
    public void shouldProvideLongForDouble() throws Exception {
        assertThat(new JcrValue(factories, PropertyType.DOUBLE, 1.0).getLong(), is(1L));
        assertThat(new JcrValue(factories, PropertyType.DOUBLE, Double.MAX_VALUE).getLong(), is(Long.MAX_VALUE));
    }

    @Test
    public void shouldProvideStreamForDouble() throws Exception {
        testProvidesStream(new JcrValue(factories, PropertyType.DOUBLE, 1.0));
    }

    @Test
    public void shouldProvideStringForDouble() throws Exception {
        assertThat(new JcrValue(factories, PropertyType.DOUBLE, 1.0).getString(), is("1.0"));
    }

    @Test( expected = ValueFormatException.class )
    public void shouldNotProvideBooleanForLong() throws Exception {
        new JcrValue(factories, PropertyType.LONG, 0L).getBoolean();
    }

    @Test
    public void shouldProvideDateForLong() throws Exception {
        Calendar expectedValue = Calendar.getInstance();
        expectedValue.setTime(new Date(0L));
        assertThat(new JcrValue(factories, PropertyType.LONG, 0L).getDate().getTimeInMillis(),
                   is(expectedValue.getTimeInMillis()));
    }

    @Test
    public void shouldProvideDoubleForLong() throws Exception {
        assertThat(new JcrValue(factories, PropertyType.LONG, 1L).getDouble(), is(1.0));
    }

    @Test
    public void shouldProvideLongForLong() throws Exception {
        assertThat(new JcrValue(factories, PropertyType.LONG, 1L).getLong(), is(1L));
    }

    @Test
    public void shouldProvideStreamForLong() throws Exception {
        testProvidesStream(new JcrValue(factories, PropertyType.LONG, 1L));
    }

    @Test
    public void shouldProvideStringForLong() throws Exception {
        assertThat(new JcrValue(factories, PropertyType.LONG, 1L).getString(), is("1"));
    }

    @Test
    public void shouldProvideBooleanForString() throws Exception {
        assertThat(new JcrValue(factories, PropertyType.STRING, "true").getBoolean(), is(true));
        assertThat(new JcrValue(factories, PropertyType.STRING, "yes").getBoolean(), is(false));
    }

    @Test
    public void shouldProvideDateForString() throws Exception {
        assertThat(new JcrValue(factories, PropertyType.STRING, "2008").getDate(), notNullValue());
    }

    @Test( expected = ValueFormatException.class )
    public void shouldNotProvideDateForInvalidString() throws Exception {
        new JcrValue(factories, PropertyType.STRING, "true").getDate();
    }

    @Test
    public void shouldProvideDoubleForString() throws Exception {
        assertThat(new JcrValue(factories, PropertyType.STRING, "1").getDouble(), is(1.0));
    }

    @Test( expected = ValueFormatException.class )
    public void shouldNotProvideDoubleForInvalidString() throws Exception {
        new JcrValue(factories, PropertyType.STRING, "true").getDouble();
    }

    @Test
    public void shouldProvideLongForString() throws Exception {
        assertThat(new JcrValue(factories, PropertyType.STRING, "1").getLong(), is(1L));
    }

    @Test( expected = ValueFormatException.class )
    public void shouldNotProvideLongForInvalidString() throws Exception {
        new JcrValue(factories, PropertyType.STRING, "true").getLong();
    }

    @Test
    public void shouldProvideStreamForString() throws Exception {
        testProvidesStream(new JcrValue(factories, PropertyType.STRING, "true"));
    }

    @Test
    public void shouldProvideStringForString() throws Exception {
        assertThat(new JcrValue(factories, PropertyType.STRING, "true").getString(), is("true"));
    }

    @Test
    public void shouldProvideBooleanForUuid() throws Exception {
        assertThat(new JcrValue(factories, PropertyType.STRING, UUID.randomUUID()).getBoolean(), is(false));
    }

    @Test( expected = ValueFormatException.class )
    public void shouldNotProvideDateForUuid() throws Exception {
        new JcrValue(factories, PropertyType.STRING, UUID.randomUUID()).getDate();
    }

    @Test( expected = ValueFormatException.class )
    public void shouldNotProvideDoubleForUuid() throws Exception {
        new JcrValue(factories, PropertyType.STRING, UUID.randomUUID()).getDouble();
    }

    @Test( expected = ValueFormatException.class )
    public void shouldNotProvideLongForUuid() throws Exception {
        new JcrValue(factories, PropertyType.STRING, UUID.randomUUID()).getLong();
    }

    @Test
    public void shouldProvideStreamForUuid() throws Exception {
        testProvidesStream(new JcrValue(factories, PropertyType.STRING, UUID.randomUUID()));
    }

    @Test
    public void shouldProvideStringForUuid() throws Exception {
        String expectedValue = "40d373f7-75ad-4d84-900e-c72ebd98abb9";
        assertThat(new JcrValue(factories, PropertyType.STRING, UUID.fromString(expectedValue)).getString(), is(expectedValue));
    }

    @Test
    public void shouldProvideLength() throws Exception {
        assertThat(new JcrValue(factories, PropertyType.STRING, "test").getLength(), is(4L));
        assertThat(new JcrValue(factories, PropertyType.BINARY, "test").getLength(), is(4L));
    }

    @FixFor( "MODE-1308" )
    @Test
    public void shouldSupportAnyBinaryImplementation() throws Exception {
        final String stringValue = "This is the string stringValue";
        Binary customBinary = createCustomBinary(stringValue);
        JcrValue jcrValue = new JcrValue(factories, PropertyType.BINARY, customBinary);

        org.modeshape.jcr.value.BinaryValue actualValue = jcrValue.getBinary();

        assertNotNull(actualValue);
        byte[] actualBytes = IoUtil.readBytes(actualValue.getStream());
        assertArrayEquals(stringValue.getBytes(), actualBytes);
    }

    @FixFor( "MODE-1308" )
    @Test
    public void shouldProvideStringFromBinary() throws Exception {
        final String stringValue = "This is the string stringValue";
        Binary customBinary = createCustomBinary(stringValue);
        assertThat(new JcrValue(factories, PropertyType.BINARY, customBinary).getString(), is(stringValue));
    }

    @FixFor( "MODE-1998")
    @Test
    public void shouldProvideEqualityForUriValues() throws Exception {
        final String uriValue = "http://example.com";
        final JcrValue expectedValue = new JcrValue(factories, PropertyType.URI, uriValue);
        assertThat(new JcrValue(factories, PropertyType.URI, uriValue), is(expectedValue));
    }

    private Binary createCustomBinary( final String stringValue ) {
        return new InMemoryTestBinary(stringValue.getBytes());
    }

    private void testProvidesStream( JcrValue value ) throws Exception {
        InputStream stream = value.getStream();
        assertThat(stream, notNullValue());
        stream.close();
    }
}
