/*
 * 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.sling.models.impl;

import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;

import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ValueMap;
import org.apache.sling.api.wrappers.ValueMapDecorator;
import org.apache.sling.models.impl.injectors.ValueMapInjector;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.runners.MockitoJUnitRunner;
import static org.junit.Assert.*;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

@RunWith(MockitoJUnitRunner.class)
public class OptionalObjectsTest {

    private ModelAdapterFactory factory;

    @Before
    public void setup() {
        factory = AdapterFactoryTest.createModelAdapterFactory();
        factory.bindInjector(new ValueMapInjector(), new ServicePropertiesMap(2, 2));
        factory.adapterImplementations.addClassesAsAdapterAndImplementation(
                org.apache.sling.models.testmodels.classes.OptionalObjectsModel.class);
    }

    @Test
    public void testFieldInjectionClass() {
        Map<String, Object> map = new HashMap<>();
        map.put("optionalString", "foo bar baz");
        map.put("optionalByte", Byte.valueOf("1"));
        map.put("optionalInteger", Integer.valueOf("1"));
        map.put("optionalShort", Short.valueOf("1"));
        map.put("optionalLong", Long.valueOf("1"));
        map.put("optionalShort", Short.valueOf("1"));
        map.put("optionalDouble", Double.valueOf("1"));
        map.put("optionalFloat", Float.valueOf("1"));
        map.put("optionalChar", '1');
        map.put("optionalBoolean", Boolean.valueOf("true"));
        map.put("optionalList", Arrays.asList("foo", "bar", "baz"));
        map.put("optionalArray", new String[]{"qux", "quux"});

        Resource res = mock(Resource.class);
        when(res.adaptTo(ValueMap.class)).thenReturn(new ValueMapDecorator(map));

        org.apache.sling.models.testmodels.classes.OptionalObjectsModel model = factory.getAdapter(res,
                org.apache.sling.models.testmodels.classes.OptionalObjectsModel.class);
        assertNotNull(model);

        assertEquals(Optional.of("foo bar baz"), model.getOptionalString());
        assertEquals(Optional.empty(), model.getOptionalNullString());

        assertEquals(Optional.of(1), model.getOptionalInteger());
        assertEquals(Optional.empty(), model.getOptionalNullInteger());

        assertEquals(Optional.of(Byte.valueOf("1")), model.getOptionalByte());
        assertEquals(Optional.empty(), model.getOptionalNullByte());

        assertEquals(Optional.of(Long.valueOf("1")), model.getOptionalLong());
        assertEquals(Optional.empty(), model.getOptionalNullLong());

        assertEquals(Optional.of(Short.valueOf("1")), model.getOptionalShort());
        assertEquals(Optional.empty(), model.getOptionalNullShort());

        assertEquals(Optional.of(Double.valueOf("1")), model.getOptionalDouble());
        assertEquals(Optional.empty(), model.getOptionalNullDouble());

        assertEquals(Optional.of(Float.valueOf("1")), model.getOptionalFloat());
        assertEquals(Optional.empty(), model.getOptionalNullFloat());

        assertEquals(Optional.of(1L), model.getOptionalLong());
        assertEquals(Optional.empty(), model.getOptionalNullLong());

        assertEquals(Optional.of('1'), model.getOptionalChar());
        assertEquals(Optional.empty(), model.getOptionalNullChar());

        assertEquals(Optional.of(Boolean.valueOf("true")), model.getOptionalBoolean());
        assertEquals(Optional.empty(), model.getOptionalNullBoolean());

        assertEquals(Optional.of(Arrays.asList("foo", "bar", "baz")), model.getOptionalList());
        assertEquals(Optional.empty(), model.getOptionalNullList());

        assertTrue(model.getOptionalArray().isPresent());
        assertTrue("qux".equalsIgnoreCase(model.getOptionalArray().get()[0]));
        assertTrue("quux".equalsIgnoreCase(model.getOptionalArray().get()[1]));
        assertEquals(Optional.empty(), model.getOptionalNullArray());
    }
}