package com.megatim.fdxconsultation.core.impl.documents;

import com.bekosoftware.genericdaolayer.dao.ifaces.GenericDAO;
import com.bekosoftware.genericmanagerlayer.core.impl.AbstractGenericManager;
import com.megatim.commons.tools.exceptions.ApplicationServerException;
import com.megatim.fdxconsultation.core.ifaces.documents.DocumentManager;
import com.megatim.fdxconsultation.dao.ifaces.documents.CategoryDAO;
import com.megatim.fdxconsultation.dao.ifaces.documents.DocumentDAO;
import com.megatim.fdxconsultation.dao.impl.utils.BaseEntityUtil;
import com.megatim.fdxconsultation.model.administration.User;
import com.megatim.fdxconsultation.model.documents.Category;
import com.megatim.fdxconsultation.model.documents.Document;
import javax.enterprise.context.Dependent;
import javax.inject.Inject;
import javax.transaction.Transactional;

/**
 *
 * @author Gabuntu
 */
@Dependent
public class DocumentManageImpl extends AbstractGenericManager<Document, Long> implements DocumentManager {

    @Inject
    private DocumentDAO dao;

    @Inject
    private CategoryDAO categoryDAO;

    @Override
    public GenericDAO<Document, Long> getDao() {
        return dao;
    }

    @Override
    public String getEntityIdName() {
        return "id";
    }

    @Transactional
    @Override
    public Document add(Long CategoryId, Document document, User connectedUser) {

        Category category = categoryDAO.getById(CategoryId);
        if (category == null) {
            throw new ApplicationServerException("La catégorie à associer au document à enregistrer est introuvable");
        }

        document.setCategory(category);

        BaseEntityUtil.setBaseEntityFieldsForAdd(document, connectedUser);
        return dao.save(document);
    }

    @Transactional
    @Override
    public Document update(Long id, Document document, User connectedUser) {

        Document doc = getById(id);
        doc.setLabel(document.getLabel());
        doc.setVersion(document.getVersion());
        doc.setPosition(document.getPosition());
        doc.setItemFile(document.getItemFile());

        BaseEntityUtil.setBaseEntityFieldsForUpdate(doc, connectedUser);
        return dao.save(doc);
    }

    @Transactional
    @Override
    public Document delete(Long id, User connectedUser) {
        Document document = getById(id);
        BaseEntityUtil.setBaseEntityFieldsForDelete(document, connectedUser);
        return dao.save(document);
    }

    private Document getById(Long id) {
        Document document = dao.getById(id);
        if (document == null) {
            throw new ApplicationServerException("Document introuvable");
        }
        return document;
    }

}