package com.ankurm.hibernatedemo.procedure;

import jakarta.persistence.Column;
import jakarta.persistence.ColumnResult;
import jakarta.persistence.ConstructorResult;
import jakarta.persistence.Entity;
import jakarta.persistence.Id;
import jakarta.persistence.NamedStoredProcedureQueries;
import jakarta.persistence.NamedStoredProcedureQuery;
import jakarta.persistence.ParameterMode;
import jakarta.persistence.SqlResultSetMapping;
import jakarta.persistence.SqlResultSetMappings;
import jakarta.persistence.StoredProcedureParameter;
import jakarta.persistence.Table;
import java.math.BigDecimal;

/**
 * Entity for docs/08-stored-procedures.md (merged posts 4867 + 4881). Backed by HSQLDB 2.7.3
 * real SQL/PSM stored procedures created in {@code ProcedureSchemaSupport} -- these are not
 * described in prose, they are compiled and executed.
 */
@Entity
@Table(name = "PROC_EMPLOYEES")
@NamedStoredProcedureQueries({
    @NamedStoredProcedureQuery(
        name = "ProcEmployee.getTax",
        procedureName = "GET_TAX",
        parameters = {
            @StoredProcedureParameter(mode = ParameterMode.IN, name = "emp_id", type = Integer.class),
            @StoredProcedureParameter(mode = ParameterMode.OUT, name = "tax_amount", type = BigDecimal.class)
        }
    ),
    @NamedStoredProcedureQuery(
        name = "ProcEmployee.listAll",
        procedureName = "LIST_EMPLOYEES",
        resultClasses = ProcEmployee.class
    )
})
@SqlResultSetMappings({
    @SqlResultSetMapping(
        name = "EmployeeSummaryMapping",
        classes = @ConstructorResult(
            targetClass = EmployeeSummary.class,
            columns = {
                @ColumnResult(name = "ID", type = Integer.class),
                @ColumnResult(name = "NAME", type = String.class)
            }
        )
    )
})
public class ProcEmployee {

    @Id
    private Integer id;

    private String name;

    @Column(precision = 10, scale = 2)
    private BigDecimal salary;

    protected ProcEmployee() {
        // JPA
    }

    public ProcEmployee(Integer id, String name, BigDecimal salary) {
        this.id = id;
        this.name = name;
        this.salary = salary;
    }

    public Integer getId() {
        return id;
    }

    public String getName() {
        return name;
    }

    public BigDecimal getSalary() {
        return salary;
    }

    @Override
    public String toString() {
        return "ProcEmployee{id=%s, name=%s, salary=%s}".formatted(id, name, salary);
    }
}