package com.megatim.fdxcommons.tools.utils;

import com.megatim.fdxcommons.model.enumeration.CriteriaLogicConnector;
import com.megatim.fdxcommons.model.enumeration.Operateur;
import com.megatim.fdxcommons.model.pojo.CriteriaEntityFromView;
import com.megatim.fdxcommons.tools.database.queries.metadata.QueryCriterion;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

/**
 *
 * @author Gabuntu
 */
public class CriteriaEntityFromViewToQueryCriterion {

    private final CriteriaEntityFromView criteriaEntityFromView;

    public CriteriaEntityFromViewToQueryCriterion(CriteriaEntityFromView criteriaEntityFromView) {
        this.criteriaEntityFromView = criteriaEntityFromView;
    }

    public QueryCriterion queryCriterion() {

        if (criteriaEntityFromView == null) {
            return null;
        }

        String nomColonne = criteriaEntityFromView.getNomColonne() != null ? criteriaEntityFromView.getNomColonne() : "";
        Object criteriaValue = criteriaEntityFromView.getCriteriaValue();
        Operateur operateur = criteriaEntityFromView.getOperateur();
        CriteriaLogicConnector criteriaLogicConnector = criteriaEntityFromView.getCriteriaLogicConnector();

        List<QueryCriterion> subCriteria = new ArrayList<>();
        if (criteriaEntityFromView.getSubCriterias() != null && !criteriaEntityFromView.getSubCriterias().isEmpty()) {
            subCriteria = criteriaEntityFromView.getSubCriterias()
                    .stream()
                    .map(sC -> new CriteriaEntityFromViewToQueryCriterion(sC).queryCriterion())
                    .collect(Collectors.toList());

            return new QueryCriterion(null, null, null, criteriaLogicConnector, subCriteria);
        } else if (nomColonne != null && !nomColonne.isEmpty() && operateur != null) {
            return new QueryCriterion(nomColonne, criteriaValue, operateur, null, Arrays.asList());
        }
        return null;
    }

}