/*
 * citygml4j - The Open Source Java API for CityGML
 * https://github.com/citygml4j
 * 
 * Copyright 2013-2017 Claus Nagel <claus.nagel@gmail.com>
 *
 * 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.citygml4j.model.citygml.core;

import java.util.List;

import org.citygml4j.builder.copy.CopyBuilder;
import org.citygml4j.model.citygml.CityGMLClass;
import org.citygml4j.model.citygml.ade.ADEComponent;
import org.citygml4j.model.citygml.appearance.AppearanceMember;
import org.citygml4j.model.common.base.ModelType;
import org.citygml4j.model.common.child.ChildList;
import org.citygml4j.model.common.visitor.FeatureFunctor;
import org.citygml4j.model.common.visitor.FeatureVisitor;
import org.citygml4j.model.common.visitor.GMLFunctor;
import org.citygml4j.model.common.visitor.GMLVisitor;
import org.citygml4j.model.gml.feature.AbstractFeature;
import org.citygml4j.model.gml.feature.AbstractFeatureCollection;
import org.citygml4j.model.gml.feature.BoundingShape;
import org.citygml4j.model.gml.feature.FeatureMember;
import org.citygml4j.model.module.citygml.CoreModule;

public class CityModel extends AbstractFeatureCollection implements CoreModuleComponent {
	private List<CityObjectMember> cityObjectMember;
	private List<AppearanceMember> appearanceMember;
	private List<ADEComponent> ade;
	private CoreModule module;
	
	public CityModel() {
		
	}
	
	public CityModel(CoreModule module) {
		this.module = module;
	}
	
	public void addAppearanceMember(AppearanceMember appearanceMember) {
		if (this.appearanceMember == null)
			this.appearanceMember = new ChildList<AppearanceMember>(this);

		this.appearanceMember.add(appearanceMember);
	}

	public void addCityObjectMember(CityObjectMember cityObjectMember) {
		if (this.cityObjectMember == null)
			this.cityObjectMember = new ChildList<CityObjectMember>(this);

		this.cityObjectMember.add(cityObjectMember);
	}

	public void addGenericApplicationPropertyOfCityModel(ADEComponent ade) {
		if (this.ade == null)
			this.ade = new ChildList<ADEComponent>(this);

		this.ade.add(ade);
	}

	public List<AppearanceMember> getAppearanceMember() {
		if (appearanceMember == null)
			appearanceMember = new ChildList<AppearanceMember>(this);

		return appearanceMember;
	}

	public List<CityObjectMember> getCityObjectMember() {
		if (cityObjectMember == null)
			cityObjectMember = new ChildList<CityObjectMember>(this);

		return cityObjectMember;
	}

	public List<ADEComponent> getGenericApplicationPropertyOfCityModel() {
		if (ade == null)
			ade = new ChildList<ADEComponent>(this);

		return ade;
	}

	public boolean isSetAppearanceMember() {
		return appearanceMember != null && !appearanceMember.isEmpty();
	}

	public boolean isSetCityObjectMember() {
		return cityObjectMember != null && !cityObjectMember.isEmpty();
	}

	public boolean isSetGenericApplicationPropertyOfCityModel() {
		return ade != null && !ade.isEmpty();
	}

	public void setAppearanceMember(List<AppearanceMember> appearanceMember) {
		this.appearanceMember = new ChildList<AppearanceMember>(this, appearanceMember);
	}

	public void setCityObjectMember(List<CityObjectMember> cityObjectMember) {
		this.cityObjectMember = new ChildList<CityObjectMember>(this, cityObjectMember);
	}

	public void setGenericApplicationPropertyOfCityModel(List<ADEComponent> ade) {
		this.ade = new ChildList<ADEComponent>(this, ade);
	}

	public void unsetAppearanceMember() {
		if (isSetAppearanceMember())
			appearanceMember.clear();

		appearanceMember = null;
	}

	public boolean unsetAppearanceMember(AppearanceMember appearanceMember) {
		return isSetAppearanceMember() ? this.appearanceMember.remove(appearanceMember) : false;
	}

	public void unsetCityObjectMember() {
		if (isSetCityObjectMember())
			cityObjectMember.clear();

		cityObjectMember = null;
	}

	public boolean unsetCityObjectMember(CityObjectMember cityObjectMember) {
		return isSetCityObjectMember() ? this.cityObjectMember.remove(cityObjectMember) : false;
	}

	public void unsetGenericApplicationPropertyOfCityModel() {
		if (isSetGenericApplicationPropertyOfCityModel())
			ade.clear();

		ade = null;
	}

	public boolean unsetGenericApplicationPropertyOfCityModel(ADEComponent ade) {
		return isSetGenericApplicationPropertyOfCityModel() ? this.ade.remove(ade) : false;
	}

	@Override
	public ModelType getModelType() {
		return ModelType.CITYGML;
	}

	public CityGMLClass getCityGMLClass() {
		return CityGMLClass.CITY_MODEL;
	}

	public final CoreModule getCityGMLModule() {
		return module;
	}

	public boolean isSetCityGMLModule() {
		return module != null;
	}

	@Override
	public BoundingShape calcBoundedBy(boolean setBoundedBy) {
		BoundingShape boundedBy = new BoundingShape();
		
		if (isSetCityObjectMember()) {
			for (CityObjectMember member : cityObjectMember) {
				if (member.isSetFeature()) {
					calcBoundedBy(boundedBy, member.getFeature(), setBoundedBy);
				} else {
					// xlink
				}
			}
		}
		
		if (isSetFeatureMember()) {
			for (FeatureMember featureMember : getFeatureMember()) {
				if (featureMember.isSetFeature()) {
					calcBoundedBy(boundedBy, featureMember.getFeature(), setBoundedBy);
				} else {
					// xlink
				}
			}
		}
		
		if (isSetFeatureMembers()) {
			for (AbstractFeature abstractFeature : getFeatureMembers().getFeature()) {
				if (abstractFeature != null)
					calcBoundedBy(boundedBy, abstractFeature, setBoundedBy);
			}
		}
		
		if (boundedBy.isSetEnvelope()) {
			if (setBoundedBy)
				setBoundedBy(boundedBy);

			return boundedBy;
		} else
			return null;
	}

	public Object copy(CopyBuilder copyBuilder) {
		return copyTo(new CityModel(), copyBuilder);
	}

	@Override
	public Object copyTo(Object target, CopyBuilder copyBuilder) {
		CityModel copy = (target == null) ? new CityModel() : (CityModel)target;
		super.copyTo(copy, copyBuilder);
		
		if (isSetCityObjectMember()) {
			for (CityObjectMember part : cityObjectMember) {
				CityObjectMember copyPart = (CityObjectMember)copyBuilder.copy(part);
				copy.addCityObjectMember(copyPart);

				if (part != null && copyPart == part)
					part.setParent(this);
			}
		}
		
		if (isSetAppearanceMember()) {
			for (AppearanceMember part : appearanceMember) {
				AppearanceMember copyPart = (AppearanceMember)copyBuilder.copy(part);
				copy.addAppearanceMember(copyPart);

				if (part != null && copyPart == part)
					part.setParent(this);
			}
		}
		
		if (isSetGenericApplicationPropertyOfCityModel()) {
			for (ADEComponent part : ade) {
				ADEComponent copyPart = (ADEComponent)copyBuilder.copy(part);
				copy.addGenericApplicationPropertyOfCityModel(copyPart);

				if (part != null && copyPart == part)
					part.setParent(this);
			}
		}
		
		return copy;
	}
	
	public void accept(FeatureVisitor visitor) {
		visitor.visit(this);
	}
	
	public <T> T accept(FeatureFunctor<T> visitor) {
		return visitor.apply(this);
	}
	
	public void accept(GMLVisitor visitor) {
		visitor.visit(this);
	}
	
	public <T> T accept(GMLFunctor<T> visitor) {
		return visitor.apply(this);
	}

}