EDIT

/**

* Copyright (C) 2017 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.vaadin.component.registration;

import java.util.ArrayList;

import java.util.EnumSet;

import java.util.List;

import com.vaadin.server.ExternalResource;

import com.vaadin.server.FontAwesome;

import com.vaadin.ui.Button;

import com.vaadin.ui.Label;

import com.vaadin.ui.Link;

import com.vaadin.ui.themes.ValoTheme;

import eu.etaxonomy.cdm.model.name.RegistrationStatus;

import eu.etaxonomy.cdm.model.name.TaxonName;

import eu.etaxonomy.cdm.model.name.TypeDesignationBase;

import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase;

import eu.etaxonomy.cdm.persistence.hibernate.permission.CRUD;

import eu.etaxonomy.cdm.vaadin.model.TypedEntityReference;

import eu.etaxonomy.cdm.vaadin.security.PermissionDebugUtils;

import eu.etaxonomy.cdm.vaadin.security.UserHelper;

import eu.etaxonomy.cdm.vaadin.util.converter.TypeDesignationSetManager.TypeDesignationWorkingSet;

import eu.etaxonomy.cdm.vaadin.util.converter.TypeDesignationSetManager.TypeDesignationWorkingSetType;

import eu.etaxonomy.cdm.vaadin.view.registration.RegistrationDTO;

import eu.etaxonomy.vaadin.component.CompositeStyledComponent;

/**

 * @author a.kohlbecker

 * @since May 19, 2017

 *

 */

public class RegistrationItemEditButtonGroup extends CompositeStyledComponent {

    /**

     *

     */

    private static final String DEFAULT_BUTTON_STYLES = "";

    private static final long serialVersionUID = -5059163772392864050L;

    public static final String STYLE_NAMES = "edit-button-group  " + ValoTheme.LAYOUT_COMPONENT_GROUP;

    private IdButton<TaxonName> nameIdButton = null;

    private List<TypeDesignationWorkingSetButton> typeDesignationButtons = new ArrayList<>();

    private List<Label> labels = new ArrayList<>();

    private Button addTypeDesignationButton;

    private Label nameLabel = null;

    private Link identifierLink;

    public RegistrationItemEditButtonGroup(RegistrationDTO regDto) {

        boolean isRegistrationLocked = EnumSet.of(

                RegistrationStatus.PUBLISHED, RegistrationStatus.REJECTED)

                .contains(regDto.getStatus());

        setWidth(100, Unit.PERCENTAGE);

        if(regDto.getName() != null){

            Button nameButton = new Button("Name:");

            nameButton.setDescription("Edit the Name");

            nameIdButton = new IdButton<TaxonName>(TaxonName.class, regDto.getName().getId(), nameButton);

            Label nameLabel = new Label(regDto.getName().getLabel());

            nameLabel.setWidthUndefined();

            boolean userHasPermission = UserHelper.fromSession().userHasPermission(regDto.registration().getName(), CRUD.UPDATE);

            nameButton.setEnabled(!isRegistrationLocked && userHasPermission);

            addComponent(nameIdButton.getButton());

            PermissionDebugUtils.fromSession().addGainPerEntityPermissionButton(this, TaxonName.class, regDto.getName().getId(),

                    EnumSet.of(CRUD.UPDATE, CRUD.DELETE), null);

            addComponent(nameLabel);

        } else {

            // no name in the registration! we only show the typified name as label

            if(regDto.getTypifiedName() != null){

                nameLabel = new Label(regDto.getTypifiedName().getLabel());

                addComponent(nameLabel);

            }

        }

        if(regDto.getOrderdTypeDesignationWorkingSets() != null){

            for(TypedEntityReference<TypeDesignationBase<?>> baseEntityRef : regDto.getOrderdTypeDesignationWorkingSets().keySet()) {

                TypeDesignationWorkingSet typeDesignationWorkingSet = regDto.getOrderdTypeDesignationWorkingSets().get(baseEntityRef);

                String buttonLabel = SpecimenOrObservationBase.class.isAssignableFrom(baseEntityRef.getType()) ? "Type": "NameType";

                Button tdButton = new Button(buttonLabel + ":");

                tdButton.setDescription("Edit the type designation working set");

                tdButton.setEnabled(!isRegistrationLocked && UserHelper.fromSession().userHasPermission(baseEntityRef.getType(), baseEntityRef.getId(), CRUD.UPDATE));

                addComponent(tdButton);

                PermissionDebugUtils.fromSession().addGainPerEntityPermissionButton(this, SpecimenOrObservationBase.class,

                        baseEntityRef.getId(), EnumSet.of(CRUD.UPDATE, CRUD.DELETE), RegistrationStatus.PREPARATION.name());

                typeDesignationButtons.add(new TypeDesignationWorkingSetButton(

                        typeDesignationWorkingSet.getWorkingsetType(),

                        typeDesignationWorkingSet.getWorkingSetId(),

                        tdButton)

                        );

                String labelText = typeDesignationWorkingSet.getRepresentation();

                labelText = labelText.replaceAll("^[^:]+:", ""); // remove "Type:", "NameType:" from the beginning

                Label label = new Label(labelText);

                label.setWidthUndefined();

                addComponent(label);

                labels.add(label);

            }

        }

        addTypeDesignationButton = new Button(FontAwesome.PLUS);

        addTypeDesignationButton.setDescription("Add a new type designation workingset");

        addTypeDesignationButton.setVisible(!isRegistrationLocked);

        addComponent(addTypeDesignationButton);

        //TODO make responsive and use specificIdentifier in case the space gets too narrow

        identifierLink = new Link(regDto.getIdentifier(), new ExternalResource(regDto.getIdentifier()));

        identifierLink.setEnabled(regDto.getStatus() == RegistrationStatus.PUBLISHED);

        addComponents(identifierLink);

        iterator().forEachRemaining(c -> addStyledComponent(c));

        addDefaultStyles();

    }

    public IdButton<TaxonName> getNameButton() {

        return nameIdButton;

    }

    public List<TypeDesignationWorkingSetButton> getTypeDesignationButtons() {

        return typeDesignationButtons;

    }

    public Button getAddTypeDesignationButton() {

        return addTypeDesignationButton;

    }

    /**

     * {@inheritDoc}

     */

    @Override

    protected void addDefaultStyles() {

        addStyleName(STYLE_NAMES);

        if(nameIdButton != null){

            nameIdButton.getButton().addStyleName(DEFAULT_BUTTON_STYLES);

        }

        if(nameLabel != null){

            nameLabel.addStyleName("v-disabled");

        }

        typeDesignationButtons.forEach(idb -> idb.getButton().addStyleName(DEFAULT_BUTTON_STYLES));

        addTypeDesignationButton.addStyleName(DEFAULT_BUTTON_STYLES);

    }

    public class TypeDesignationWorkingSetButton {

        private Integer id;

        private TypeDesignationWorkingSetType type;

        private Button button;

        public TypeDesignationWorkingSetButton(TypeDesignationWorkingSetType type, Integer id, Button button){

            this.type = type;

            this.id = id;

            this.button = button;

        }

        /**

         * @return the id

         */

        public Integer getId() {

            return id;

        }

        /**

         * @return the button

         */

        public Button getButton() {

            return button;

        }

        /**

         * @return the type

         */

        public TypeDesignationWorkingSetType getType() {

            return type;

        }

    }

    public class IdButton<T> {

        private Integer id;

        private Class<T> entityType;

        private Button button;

        public IdButton(Class<T> type, Integer id, Button button){

            this.entityType = type;

            this.id = id;

            this.button = button;

        }

        /**

         * @return the id

         */

        public Integer getId() {

            return id;

        }

        /**

         * @return the button

         */

        public Button getButton() {

            return button;

        }

        /**

         * @return the type

         */

        public Class<T> getType() {

            return entityType;

        }

    }

}