EDIT

// $Id$

/**

 * Copyright (C) 2015 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.jscomponent;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import java.util.Set;

import java.util.UUID;

import org.apache.log4j.Logger;

import org.json.JSONArray;

import org.json.JSONException;

import org.json.JSONObject;

import com.vaadin.annotations.JavaScript;

import com.vaadin.annotations.StyleSheet;

import com.vaadin.ui.AbstractJavaScriptComponent;

import com.vaadin.ui.JavaScriptFunction;

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

import eu.etaxonomy.cdm.model.taxon.Taxon;

import eu.etaxonomy.cdm.model.taxon.TaxonRelationship;

import eu.etaxonomy.cdm.model.taxon.TaxonRelationshipType;

import eu.etaxonomy.cdm.strategy.cache.TaggedText;

import eu.etaxonomy.cdm.vaadin.component.ConceptRelationshipComposite;

/**

 * @author cmathew

 * @date 8 Apr 2015

 *

 */

@StyleSheet({"css/d3.conceptrelationshiptree.css"})

@JavaScript({"extlib/d3.min.js", "lib/d3.conceptrelationshiptree_connector.js"})

public class D3ConceptRelationshipTree extends AbstractJavaScriptComponent {

    private static final Logger logger = Logger.getLogger(D3ConceptRelationshipTree.class);

    public enum Mode {

        OneToOne,

        Group

    }

    private Mode mode;

    public enum Direction {

        LEFT_RIGHT("left-right"),

        RIGHT_LEFT("right-left");

        private final String name;

        private Direction(String s) {

            name = s;

        }

        @Override

        public String toString(){

           return name;

        }

    }

    private Direction direction;

    private ConceptRelationshipComposite conceptRelComposite;

    public D3ConceptRelationshipTree() {

        this(Mode.OneToOne, Direction.LEFT_RIGHT);

    }

    public D3ConceptRelationshipTree(Direction direction) {

        this(Mode.OneToOne, direction);

    }

    public D3ConceptRelationshipTree(Mode mode, Direction direction) {

        this.mode = mode;

        this.direction = direction;

        addFunction("select", new JavaScriptFunction() {

            @Override

            public void call(JSONArray arguments) throws JSONException {

                //Notification.show("Store selected","uuid : " + arguments.getJSONObject(0).getString("uuid"), Type.WARNING_MESSAGE);

                if(conceptRelComposite != null) {

                    UUID relUuid = UUID.fromString(arguments.getString(0));

                    conceptRelComposite.setSelectedTaxonRelUuid(relUuid);

                }

            }

        });

        setConceptRelationshipTree("");

    }

    public void setConceptRelComposite(ConceptRelationshipComposite conceptRelComposite) {

        this.conceptRelComposite = conceptRelComposite;

    }

    public void update(Taxon fromTaxon, Direction direction) throws JSONException {

        this.direction = direction;

        switch(mode) {

        case OneToOne:

            updateForOneToOne(fromTaxon);

            break;

        case Group:

            updateForGroup(fromTaxon);

            break;

        default:

            updateForOneToOne(fromTaxon);

        }

    }

    public void clear() {

        setConceptRelationshipTree("{}");

    }

    private void updateForOneToOne(Taxon fromTaxon) throws JSONException {

        Set<TaxonRelationship> relationsFromThisTaxon = fromTaxon.getRelationsFromThisTaxon();

        Map<TaxonRelationshipType, List<Taxon>> relToTaxonMap = new HashMap<TaxonRelationshipType, List<Taxon>>();

        JSONObject fromTaxonJO = new JSONObject();

        fromTaxonJO.put("name", getAbbreviatedName(fromTaxon.getName()));

        fromTaxonJO.put("uuid", fromTaxon.getUuid().toString());

        fromTaxonJO.put("type", "ftaxon");

        fromTaxonJO.put("direction", direction.toString());

        JSONArray ftChildren = new JSONArray();

        fromTaxonJO.put("children", ftChildren);

        int typeIndex = 0;

        if(relationsFromThisTaxon !=null && !relationsFromThisTaxon.isEmpty()) {

            for(TaxonRelationship tr : relationsFromThisTaxon) {

                if(tr != null && fromTaxon.equals(tr.getFromTaxon())) {

                    JSONObject crJO = new JSONObject();

                    crJO.put("name", tr.getType().getTitleCache());

                    crJO.put("uuid", tr.getUuid());

                    crJO.put("type", "conceptr");

                    ftChildren.put(typeIndex, crJO);

                    JSONArray crChildrenJA = new JSONArray();

                    crJO.put("children", crChildrenJA);

                    Taxon toTaxon = tr.getToTaxon();

                    JSONObject toTaxonJO = new JSONObject();

                    toTaxonJO.put("name", toTaxon.getName().getTitleCache());

                    toTaxonJO.put("uuid", toTaxon.getUuid());

                    toTaxonJO.put("type", "ttaxon");

                    crChildrenJA.put(0, toTaxonJO);

                    typeIndex++;

                }

            }

        }

        setConceptRelationshipTree(fromTaxonJO.toString());

    }

    private void updateForGroup(Taxon fromTaxon) throws JSONException {

        Set<TaxonRelationship> relationsFromThisTaxon = fromTaxon.getRelationsFromThisTaxon();

        Map<TaxonRelationshipType, List<Taxon>> relToTaxonMap = new HashMap<TaxonRelationshipType, List<Taxon>>();

        JSONObject fromTaxonJO = new JSONObject();

        fromTaxonJO.put("name", fromTaxon.getTitleCache());

        fromTaxonJO.put("uuid", fromTaxon.getUuid().toString());

        if(relationsFromThisTaxon !=null && !relationsFromThisTaxon.isEmpty()) {

            for(TaxonRelationship tr : relationsFromThisTaxon) {

                if(fromTaxon.equals(tr.getFromTaxon())) {

                    if(relToTaxonMap.containsKey(tr.getType())) {

                        relToTaxonMap.get(tr.getType()).add(tr.getToTaxon());

                    } else {

                        List<Taxon> toTaxonList = new ArrayList<Taxon>();

                        toTaxonList.add(tr.getToTaxon());

                        relToTaxonMap.put(tr.getType(), toTaxonList);

                    }

                }

            }

            int typeIndex = 0;

            JSONArray ftChildren = new JSONArray();

            fromTaxonJO.put("children", ftChildren);

            for (Map.Entry<TaxonRelationshipType, List<Taxon>> entry : relToTaxonMap.entrySet()) {

                JSONObject crJO = new JSONObject();

                crJO.put("name", entry.getKey().getTitleCache());

                crJO.put("uuid", entry.getKey().getUuid());

                JSONArray crChildrenJA = new JSONArray();

                crJO.put("children", crChildrenJA);

                int toTaxonIndex = 0;

                for(Taxon toTaxon: entry.getValue()) {

                    JSONObject toTaxonJO = new JSONObject();

                    toTaxonJO.put("name", toTaxon.getTitleCache());

                    toTaxonJO.put("uuid", toTaxon.getUuid());

                    crChildrenJA.put(toTaxonIndex, toTaxonJO);

                    toTaxonIndex++;

                }

                ftChildren.put(typeIndex, crJO);

                typeIndex++;

            }

        }

        setConceptRelationshipTree(fromTaxonJO.toString());

    }

    public String getAbbreviatedName(TaxonNameBase tnb) {

        List<TaggedText> taggedTextList = tnb.getTaggedName();

        StringBuffer nameSb = new StringBuffer();

        boolean foundGenusOrUninomial = false;

        boolean previousTagSeparator = false;

        for(TaggedText tt: taggedTextList) {

            if(!tt.isYear() &&!tt.isReference() && !tt.isAuthors()) {

                if(tt.isName() && !foundGenusOrUninomial) {

                    nameSb.append(tt.getText().charAt(0) + ".");

                    foundGenusOrUninomial = true;

                } else {

                    if(!previousTagSeparator) {

                        nameSb.append(" ");

                    }

                    nameSb.append(tt.getText());

                    previousTagSeparator = false;

                    if(tt.isSeparator()) {

                        previousTagSeparator = true;

                    }

                }

            }

        }

        return nameSb.toString();

    }

    public void setConceptRelationshipTree(String conceptRelationshipTree) {

        getState().setConceptRelationshipTree(conceptRelationshipTree);;

    }

    @Override

    public D3ConceptRelationshipTreeState getState() {

        return (D3ConceptRelationshipTreeState) super.getState();

    }

}