package com.sonymusic.dx.dxadvsearchservice.service;

import java.util.List;

import org.springframework.stereotype.Service;

import com.sonymusic.dx.dxadvsearchservice.dto.ConfigurationCategoryDTO;
import com.sonymusic.dx.persistence.gras.ConfigurationCategory;

import jakarta.persistence.EntityManager;
import jakarta.persistence.PersistenceContext;
import jakarta.persistence.TypedQuery;
import jakarta.persistence.criteria.CriteriaBuilder;
import jakarta.persistence.criteria.CriteriaQuery;
import jakarta.persistence.criteria.Root;

@Service
public class ConfigurationCategoryService {

    @PersistenceContext(name = "dx-gras-persistence")
    private EntityManager em;

    public List<ConfigurationCategoryDTO> getConfigurationCategoryServiceList() {

        CriteriaBuilder cb = em.getCriteriaBuilder();
        CriteriaQuery<ConfigurationCategoryDTO> cq=cb.createQuery(ConfigurationCategoryDTO.class);
        Root<ConfigurationCategory> root =cq.from(ConfigurationCategory.class);
        cq.select(cb.construct(
                ConfigurationCategoryDTO.class,
                root.get("configurationCategoryKey"),
                root.get("configurationCategoryName")
        ));
        cq.orderBy(cb.asc(root.get("configurationCategoryName")));
        cq.distinct(true);
        TypedQuery<ConfigurationCategoryDTO> query = em.createQuery(cq);

        List<ConfigurationCategoryDTO> resultSet = query.getResultList();

        return resultSet;

    }
}