package com.ankurm.hibernatedemo.namedquery;

import jakarta.persistence.Entity;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import jakarta.persistence.NamedQueries;
import jakarta.persistence.NamedQuery;
import jakarta.persistence.NamedNativeQueries;
import jakarta.persistence.NamedNativeQuery;
import jakarta.persistence.SqlResultSetMapping;
import jakarta.persistence.ConstructorResult;
import jakarta.persistence.ColumnResult;
import jakarta.persistence.Table;

/**
 * Backs ankurm.com post 4877. Docs: 14-named-queries.md.
 *
 * <p>{@code Employee.findByName} is a valid JPA {@code @NamedQuery}, {@code Employee.byNativeDto}
 * is a {@code @NamedNativeQuery} + {@code @SqlResultSetMapping} into {@link EmployeeDto} via
 * {@code @ConstructorResult}.
 */
@Entity
@Table(name = "nq_employee")
@NamedQueries({
        @NamedQuery(name = "Employee.findByName", query = "SELECT e FROM NqEmployee e WHERE e.firstName = :name"),
        @NamedQuery(name = "Employee.findAllActive", query = "SELECT e FROM NqEmployee e WHERE e.status = 'ACTIVE' ORDER BY e.id DESC")
})
@NamedNativeQueries({
        @NamedNativeQuery(
                name = "Employee.byNativeDto",
                query = "SELECT id, first_name AS firstName FROM nq_employee WHERE status = :status",
                resultSetMapping = "EmployeeDtoMapping")
})
@SqlResultSetMapping(
        name = "EmployeeDtoMapping",
        classes = @ConstructorResult(
                targetClass = EmployeeDto.class,
                columns = {
                        @ColumnResult(name = "id", type = Long.class),
                        @ColumnResult(name = "firstName", type = String.class)
                }))
public class NqEmployee {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;

    private String firstName;

    private String status;

    protected NqEmployee() {
    }

    public NqEmployee(String firstName, String status) {
        this.firstName = firstName;
        this.status = status;
    }

    public Long getId() {
        return id;
    }

    public String getFirstName() {
        return firstName;
    }

    public String getStatus() {
        return status;
    }
}