EDIT

// $Id$

/**

* Copyright (C) 2007 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.api.service;

import java.util.ArrayList;

import java.util.List;

import org.apache.log4j.Logger;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Service;

import org.springframework.transaction.annotation.Transactional;

import eu.etaxonomy.cdm.model.common.CdmBase;

import eu.etaxonomy.cdm.model.metadata.CdmPreference;

import eu.etaxonomy.cdm.model.metadata.CdmPreference.PrefKey;

import eu.etaxonomy.cdm.model.metadata.PreferencePredicate;

import eu.etaxonomy.cdm.model.metadata.PreferenceSubject;

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

import eu.etaxonomy.cdm.persistence.dao.common.IPreferenceDao;

/**

 * @author a.mueller

 * @created 2013-09-09

 */

@Service

@Transactional(readOnly = true)

public class PreferenceServiceImpl implements IPreferenceService {

    @SuppressWarnings("unused")

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

    @Autowired

    private IPreferenceDao dao;

	@Override

	public CdmPreference find(PrefKey key) {

		List<PrefKey> keys = new ArrayList<>();

		keys.add(key);

//		while(key.)  TODO

		return dao.get(key);

	}

    /**

     * Retrieve the database wide preference for the given predicate.

     * @param key

     * @return

     */

    @Override

    public CdmPreference findDatabase(PreferencePredicate predicate){

        PrefKey key = CdmPreference.NewKey(PreferenceSubject.NewDatabaseInstance(), predicate);

        return find(key);

    }

	@Override

    @Transactional(readOnly = false)

	public void set(CdmPreference preference) {

		dao.set(preference);

	}

	@Override

	public int count() {

		return dao.count();

	}

	@Override

    public List<CdmPreference> list() {

        return dao.list();

    }

    @Override

    public Object find(TaxonNode taxonNode, String predicate) {

        return dao.find(taxonNode, predicate);

    }

    @Override

    public CdmPreference find(TaxonNode taxonNode, PreferencePredicate predicate){

        return dao.find(taxonNode, predicate.getKey());

    }

// ********************** NOT YET HANDLED *******************/

    @Override

    public List<CdmPreference> list(String subject, String predicate) {

        //FIXME

        throw new RuntimeException("list(String, String) not yet implemented" );

    }

    @Override

    //this method is only partly implemented

    public CdmPreference find(CdmBase taxonNodeRelatedCdmBase, String predicate) {

        TaxonNode taxonNode = mapToTaxonNode(taxonNodeRelatedCdmBase);

        return dao.find(taxonNode, predicate);

    }

    /**

     * @param taxonNodeRelatedCdmBase

     * @return

     */

    private TaxonNode mapToTaxonNode(CdmBase taxonNodeRelatedCdmBase) {

        if (taxonNodeRelatedCdmBase == null){

            return null;

        }else if (taxonNodeRelatedCdmBase.isInstanceOf(TaxonNode.class)){

            return CdmBase.deproxy(taxonNodeRelatedCdmBase, TaxonNode.class);

        }else{

            throw new RuntimeException("mapToTaxonNode not yet implemented for " + taxonNodeRelatedCdmBase.getClass().getSimpleName());

        }

    }

//    @Override

//    public String setCdmPrefs(CdmBase cdmBase, String predicate, String value) {

//        // TODO Auto-generated method stub

//        return null;

//    }

}