package com.sonymusic.dx.dxadvsearchservice.service;

import java.util.List;

import org.springframework.stereotype.Service;

import com.sonymusic.dx.dxadvsearchservice.dto.PublishStatusDTO;
import com.sonymusic.dx.persistence.gras.PublishStatus;

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


    public List<PublishStatusDTO> getPublisherList() {
        CriteriaBuilder cb = em.getCriteriaBuilder();
        CriteriaQuery<PublishStatusDTO> cq=cb.createQuery(PublishStatusDTO.class);
        Root<PublishStatus> root =cq.from(PublishStatus.class);
        cq.select(cb.construct(
                PublishStatusDTO.class,
                root.get("publishKey"),
                root.get("publishName")
        ));
        cq.orderBy(cb.asc(root.get("publishName")));
        cq.distinct(true);
        TypedQuery<PublishStatusDTO> query = em.createQuery(cq);

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

        return resultSet;
    }
}