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/*******************************************************************************
 * Copyright (C) 2022-2023 WaveMaker, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package com.wavemaker.runtime.data.dao.query.providers;

import java.util.Map;
import java.util.Optional;
import java.util.stream.Collectors;

import org.hibernate.Session;
import org.hibernate.type.Type;

import com.wavemaker.runtime.data.dao.util.QueryHelper;
import com.wavemaker.runtime.data.model.JavaType;
import com.wavemaker.runtime.data.model.queries.QueryParameter;
import com.wavemaker.runtime.data.model.queries.RuntimeQuery;
import com.wavemaker.runtime.data.util.HibernateUtils;

/**
 * @author Dilip Kumar
 * @since 4/8/17
 */
public class RuntimeParametersProvider implements ParametersProvider {
    private final RuntimeQuery query;

    private final Map parameterMap;

    public RuntimeParametersProvider(final RuntimeQuery query) {
        this.query = query;
        parameterMap = query.getParameters().stream()
            .collect(Collectors.toMap(QueryParameter::getName, parameter -> parameter));
    }

    @Override
    public Object getValue(final Session session, final String name) {
        if (parameterMap.containsKey(name)) {
            return QueryHelper.prepareParam(parameterMap.get(name), false);
        } else {
            return null;
        }
    }

    @Override
    public Optional getType(final Session session, final String name) {
        if (parameterMap.containsKey(name)) {
            final JavaType javaType = parameterMap.get(name).getType();
            return HibernateUtils.findType(session.getTypeHelper(), javaType.getClassName());
        }

        return Optional.empty();
    }
}