EDIT

/**

* Copyright (C) 2009 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.Collection;

import java.util.List;

import java.util.UUID;

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

import org.springframework.stereotype.Service;

import org.springframework.transaction.annotation.Transactional;

import eu.etaxonomy.cdm.api.service.pager.Pager;

import eu.etaxonomy.cdm.api.service.pager.impl.DefaultPagerImpl;

import eu.etaxonomy.cdm.common.monitor.IProgressMonitor;

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

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

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

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

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

import eu.etaxonomy.cdm.persistence.dto.TermDto;

import eu.etaxonomy.cdm.persistence.dto.TermVocabularyDto;

import eu.etaxonomy.cdm.persistence.dto.UuidAndTitleCache;

import eu.etaxonomy.cdm.persistence.query.OrderHint;

import eu.etaxonomy.cdm.strategy.cache.common.IIdentifiableEntityCacheStrategy;

@Service

@Transactional(readOnly = true)

public class VocabularyServiceImpl extends IdentifiableServiceBase<TermVocabulary,ITermVocabularyDao>  implements IVocabularyService {

    @Autowired

    private ITermService termService;

	@Override

    @Autowired

	protected void setDao(ITermVocabularyDao dao) {

		this.dao = dao;

	}

	@Override

	@Transactional(readOnly = false)

    public void updateCaches(Class<? extends TermVocabulary> clazz, Integer stepSize, IIdentifiableEntityCacheStrategy<TermVocabulary> cacheStrategy, IProgressMonitor monitor) {

		if (clazz == null){

			clazz = TermVocabulary.class;

		}

		super.updateCachesImpl(clazz, stepSize, cacheStrategy, monitor);

	}

    @Override

    public List<TermVocabulary> listByTermType(TermType termType, boolean includeSubTypes,

            Integer limit, Integer start, List<OrderHint> orderHints, List<String> propertyPaths) {

        return dao.listByTermType(termType, includeSubTypes, limit, start, orderHints, propertyPaths);

    }

    @Override

	public <T extends DefinedTermBase> List<TermVocabulary<T>> findByTermType(TermType termType, List<String> propertyPaths) {

		return dao.findByTermType(termType, propertyPaths);

	}

	/**

	 * (non-Javadoc)

	 * @see eu.etaxonomy.cdm.api.service.ITermService#getLanguageVocabulary()

	 * FIXME candidate for harmonization

	 * is this the same as getVocabulary(VocabularyEnum.Language)

	 */

	@Override

	public TermVocabulary<Language> getLanguageVocabulary() {

		String uuidString = "45ac7043-7f5e-4f37-92f2-3874aaaef2de";

		UUID uuid = UUID.fromString(uuidString);

		TermVocabulary<Language> languageVocabulary = dao.findByUuid(uuid);

		return languageVocabulary;

	}

	@Override

	public Pager<DefinedTermBase> getTerms(TermVocabulary vocabulary, Integer pageSize, Integer pageNumber, List<OrderHint> orderHints,	List<String> propertyPaths) {

        long numberOfResults = dao.countTerms(vocabulary);

		List<DefinedTermBase> results = new ArrayList<>();

		if(numberOfResults > 0) { // no point checking again //TODO use AbstractPagerImpl.hasResultsInRange(numberOfResults, pageNumber, pageSize)

			results = dao.getTerms(vocabulary, pageSize, pageNumber,orderHints,propertyPaths);

		}

		return new DefaultPagerImpl<>(pageNumber, numberOfResults, pageSize, results);

	}

    @Override

    public Collection<TermDto> getTopLevelTerms(UUID vocabularyUuid) {

        return dao.getTopLevelTerms(vocabularyUuid);

    }

    @Override

    public Collection<TermDto> getCompleteTermHierarchy(UUID vocabularyUuid) {

        Collection<TermDto> topLevelTerms = dao.getTopLevelTerms(vocabularyUuid);

        for (TermDto termDto : topLevelTerms) {

            initializeIncludes(termDto);

            initializeGeneralizationOf(termDto);

        }

        return topLevelTerms;

    }

    private void initializeGeneralizationOf(TermDto parentTerm){

        Collection<TermDto> generalizationOf = termService.getKindOfsAsDto(parentTerm);

        parentTerm.setGeneralizationOf(generalizationOf);

        generalizationOf.forEach(generalization->{

            generalization.setKindOfDto(parentTerm);

            initializeGeneralizationOf(generalization);

        });

    }

    private void initializeIncludes(TermDto parentTerm){

        Collection<TermDto> includes = termService.getIncludesAsDto(parentTerm);

        parentTerm.setIncludes(includes);

        includes.forEach(include->{

            initializeIncludes(include);

            include.setPartOfDto(parentTerm);

        });

    }

    @Override

    public List<TermVocabularyDto> findVocabularyDtoByTermType(TermType termType) {

        return dao.findVocabularyDtoByTermType(termType);

    }

    @Transactional(readOnly = false)

    @Override

    public TermDto addNewTerm(TermType termType, UUID vocabularyUUID) {

        DefinedTermBase term = termType.getEmptyDefinedTermBase();

        termService.save(term);

        TermVocabulary vocabulary = dao.load(vocabularyUUID);

        vocabulary.addTerm(term);

        dao.saveOrUpdate(vocabulary);

        return TermDto.fromTerm(term, true);

    }

    @Override

    public <S extends TermVocabulary> List<UuidAndTitleCache<S>> getUuidAndTitleCache(Class<S> clazz, TermType termType,

            Integer limit, String pattern) {

        return dao.getUuidAndTitleCache(clazz, termType, limit, pattern);

    }

}