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package com.megatim.fdxcommons.tools.database.queries;

import com.megatim.fdxcommons.model.dataproduction.CommonDataProduction;
import com.megatim.fdxcommons.model.enumeration.CriteriaLogicConnector;
import com.megatim.fdxcommons.model.enumeration.Operateur;
import com.megatim.fdxcommons.model.integration.ColumnDefinition;
import com.megatim.fdxcommons.tools.database.exceptions.BadDataValueException;
import com.megatim.fdxcommons.tools.database.exceptions.ColumnNotFoundException;
import com.megatim.fdxcommons.tools.database.exceptions.LocalDateTimeValueParseError;
import com.megatim.fdxcommons.tools.database.queries.metadata.JsonDataRowToUpdate;
import com.megatim.fdxcommons.tools.database.queries.metadata.QueryCriterion;
import com.megatim.fdxcommons.tools.database.queries.metadata.QueryParam;
import com.megatim.fdxcommons.tools.database.queries.metadata.WhereQueryParameters;
import com.megatim.fdxcommons.tools.database.tables.appcolumns.DataProductionUpdateIdColumnDefinition;
import com.megatim.fdxcommons.tools.database.tables.appcolumns.DateMiseAJourColumnDefinition;
import com.megatim.fdxcommons.tools.database.tables.appcolumns.IndexColumnDefinition;
import com.megatim.fdxcommons.tools.utils.JsonDataUtil;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;

/**
 *
 * @author ASUS
 */
public class JsonUpdate {

    private final Connection connection;
    private final Map<Long, Object> matchedData;
    private final List<ColumnDefinition> columnsDefinition;
    private final String rootTableName;
    private final Map<String, Object> dataToSet;
    private final CommonDataProduction dataProduction;

    public JsonUpdate(Connection connection, Map<Long, Object> matchedData, List<ColumnDefinition> columnsDefinition, String rootTableName, Map<String, Object> dataToSet, CommonDataProduction dataProduction) {
        this.connection = connection;
        this.matchedData = matchedData;
        this.columnsDefinition = columnsDefinition;
        this.rootTableName = rootTableName;
        this.dataToSet = dataToSet;
        this.dataProduction = dataProduction;
    }

    public void update() throws ColumnNotFoundException, SQLException, BadDataValueException, LocalDateTimeValueParseError, Exception {
        Map<String, Map<String, Object>> tableToDataRow = new JsonDataRowToUpdate(dataToSet, rootTableName, columnsDefinition).dataRow();
        Map<String, Set<Long>> tableToMatchingIndexes = new JsonDataUtil().tableToMatchingIndexes(matchedData, rootTableName);

        for (Map.Entry<String, Map<String, Object>> entry : tableToDataRow.entrySet()) {
            Set<Long> indexes = tableToMatchingIndexes.get(entry.getKey());

            if (indexes != null) {
                QueryCriterion queryCriterion = queryCriterion(indexes);
                List<QueryParam> params = parameters(entry.getValue(), queryCriterion);

                new UpdateQuery(connection, queryCriterion, entry.getKey(), columnsName(entry.getValue()), params).execute();
            }
        }
    }

    private List<QueryParam> parameters(Map<String, Object> updateData, QueryCriterion queryCriterion) throws Exception {
        List<QueryParam> params = new ArrayList<>();

        //On ajoute les paramètres de la clause SET
        updateData.forEach((k, v) -> {
            params.add(new QueryParam(k, v));
        });

        //On ajoute les paramètres de l'application
        params.add(new QueryParam(new DataProductionUpdateIdColumnDefinition().name(), dataProduction.getId()));
        params.add(new QueryParam(new DateMiseAJourColumnDefinition().name(), dataProduction.getDateProduction()));
        //On ajoute ensuite les paramètre de la clause WHERE
        params.addAll(new WhereQueryParameters(queryCriterion).parameters());

        return params;
    }

    private QueryCriterion queryCriterion(Set<Long> indexes) {
        List<QueryCriterion> criteria = new ArrayList<>();
        indexes.stream().forEach(i -> criteria.add(new QueryCriterion(new IndexColumnDefinition().name(), i, Operateur.EQUALS, null, Arrays.asList())));

        return new QueryCriterion(null, null, null, CriteriaLogicConnector.OR, criteria);
    }

    private List<String> columnsName(Map<String, Object> data) {
        List<String> columnsName = new ArrayList<>();
        columnsName.addAll(data.keySet().stream().collect(Collectors.toList()));
        columnsName.add(new DataProductionUpdateIdColumnDefinition().name());
        columnsName.add(new DateMiseAJourColumnDefinition().name());

        return columnsName;
    }
}