package com.ankurm.hibernatedemo.namedquery;

import static org.assertj.core.api.Assertions.assertThat;

import jakarta.persistence.EntityManager;
import jakarta.persistence.EntityManagerFactory;
import java.util.List;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;

/**
 * Backs ankurm.com post 4877, docs/14-named-queries.md chapter "Named queries in orm.xml".
 */
@SpringBootTest
class OrmXmlNamedQueryTest {

    private static final Logger DEMO = LoggerFactory.getLogger("DEMO");

    @Autowired
    private EntityManagerFactory emf;

    @BeforeEach
    void cleanTable() {
        EntityManager em = emf.createEntityManager();
        em.getTransaction().begin();
        em.createQuery("DELETE FROM XmlQueryEmployee").executeUpdate();
        em.getTransaction().commit();
        em.close();
    }

    @Test
    void namedQueryDefinedInOrmXml_worksAlongsideTheAnnotatedOne() {
        EntityManager em = emf.createEntityManager();
        em.getTransaction().begin();
        em.persist(new XmlQueryEmployee("Low", 30_000));
        em.persist(new XmlQueryEmployee("High", 90_000));
        em.getTransaction().commit();

        List<XmlQueryEmployee> viaAnnotation = em.createNamedQuery("XmlQueryEmployee.findBySalaryAbove", XmlQueryEmployee.class)
                .setParameter("min", 50_000.0)
                .getResultList();
        List<XmlQueryEmployee> viaXml = em.createNamedQuery("XmlQueryEmployee.findBySalaryAboveXml", XmlQueryEmployee.class)
                .setParameter("min", 50_000.0)
                .getResultList();

        DEMO.info("annotation-defined named query result: {} rows", viaAnnotation.size());
        DEMO.info("orm.xml-defined named query result: {} rows", viaXml.size());

        assertThat(viaAnnotation).hasSize(1);
        assertThat(viaXml).hasSize(1);
        em.close();
    }

    @Test
    void ormXmlNamedQuery_overridesTheSameNamedAnnotatedOne() {
        EntityManager em = emf.createEntityManager();
        em.getTransaction().begin();
        em.persist(new XmlQueryEmployee("Whoever", 60_000));
        em.getTransaction().commit();

        // The annotation on XmlQueryEmployee for "overridden" is deliberately wrong (salary < 0).
        // If orm.xml wins, this returns 1 row; if the annotation wins, it returns 0.
        List<XmlQueryEmployee> result = em.createNamedQuery("XmlQueryEmployee.overridden", XmlQueryEmployee.class)
                .setParameter("min", 50_000.0)
                .getResultList();

        DEMO.info("XmlQueryEmployee.overridden (annotation says salary<0, orm.xml says salary>:min): {} rows", result.size());
        assertThat(result)
                .as("orm.xml's definition must win over the annotation of the same name")
                .hasSize(1);
        em.close();
    }
}