erp-imprimelibros/src/main/java/com/imprimelibros/erp/payments/model/Refund.java

package com.imprimelibros.erp.payments.model;

import jakarta.persistence.*;
import java.time.LocalDateTime;

@Entity
@Table(
    name = "refunds",
    uniqueConstraints = {
        @UniqueConstraint(name = "uq_refund_gateway_id", columnNames = {"gateway_refund_id"})
    },
    indexes = {
        @Index(name = "idx_ref_pay", columnList = "payment_id"),
        @Index(name = "idx_ref_status", columnList = "status")
    }
)
public class Refund {

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

    @ManyToOne(fetch = FetchType.LAZY, optional = false)
    @JoinColumn(name = "payment_id", nullable = false)
    private Payment payment;

    @OneToOne(fetch = FetchType.LAZY)
    @JoinColumn(name = "transaction_id")
    private PaymentTransaction transaction; // el REFUND en payment_transactions

    @Column(name = "amount_cents", nullable = false)
    private Long amountCents;

    @Enumerated(EnumType.STRING)
    @Column(name = "reason", nullable = false, length = 32)
    private RefundReason reason = RefundReason.customer_request;

    @Enumerated(EnumType.STRING)
    @Column(name = "status", nullable = false, length = 16)
    private RefundStatus status = RefundStatus.pending;

    @Column(name = "requested_by_user_id")
    private Long requestedByUserId;

    @Column(name = "requested_at", nullable = false,
            columnDefinition = "datetime default current_timestamp")
    private LocalDateTime requestedAt;

    @Column(name = "processed_at")
    private LocalDateTime processedAt;

    @Column(name = "gateway_refund_id", length = 128)
    private String gatewayRefundId;

    @Column(name = "notes", length = 500)
    private String notes;

    @Column(name = "metadata", columnDefinition = "json")
    private String metadata;

    public Refund() {}

    // Getters & Setters
    public Long getId() { return id; }
    public void setId(Long id) { this.id = id; }

    public Payment getPayment() { return payment; }
    public void setPayment(Payment payment) { this.payment = payment; }

    public PaymentTransaction getTransaction() { return transaction; }
    public void setTransaction(PaymentTransaction transaction) { this.transaction = transaction; }

    public Long getAmountCents() { return amountCents; }
    public void setAmountCents(Long amountCents) { this.amountCents = amountCents; }

    public RefundReason getReason() { return reason; }
    public void setReason(RefundReason reason) { this.reason = reason; }

    public RefundStatus getStatus() { return status; }
    public void setStatus(RefundStatus status) { this.status = status; }

    public Long getRequestedByUserId() { return requestedByUserId; }
    public void setRequestedByUserId(Long requestedByUserId) { this.requestedByUserId = requestedByUserId; }

    public LocalDateTime getRequestedAt() { return requestedAt; }
    public void setRequestedAt(LocalDateTime requestedAt) { this.requestedAt = requestedAt; }

    public LocalDateTime getProcessedAt() { return processedAt; }
    public void setProcessedAt(LocalDateTime processedAt) { this.processedAt = processedAt; }

    public String getGatewayRefundId() { return gatewayRefundId; }
    public void setGatewayRefundId(String gatewayRefundId) { this.gatewayRefundId = gatewayRefundId; }

    public String getNotes() { return notes; }
    public void setNotes(String notes) { this.notes = notes; }

    public String getMetadata() { return metadata; }
    public void setMetadata(String metadata) { this.metadata = metadata; }
}