package com.imprimelibros.erp.payments.model;

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

@Entity
@Table(
    name = "payment_transactions",
    uniqueConstraints = {
        @UniqueConstraint(name = "uq_tx_gateway_txid", columnNames = {"gateway_transaction_id"})
    },
    indexes = {
        @Index(name = "idx_tx_pay", columnList = "payment_id"),
        @Index(name = "idx_tx_type_status", columnList = "type,status"),
        @Index(name = "idx_tx_idem", columnList = "idempotency_key")
    }
)
public class PaymentTransaction {

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

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

    @Enumerated(EnumType.STRING)
    @Column(name = "type", nullable = false, length = 16)
    private PaymentTransactionType type;

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

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

    @Column(name = "currency", nullable = false, length = 3)
    private String currency;

    @Column(name = "gateway_transaction_id", length = 128)
    private String gatewayTransactionId;

    @Column(name = "gateway_response_code", length = 64)
    private String gatewayResponseCode;

    @Column(name = "avs_result", length = 8)
    private String avsResult;

    @Column(name = "cvv_result", length = 8)
    private String cvvResult;

    @Column(name = "three_ds_version", length = 16)
    private String threeDsVersion;

    @Column(name = "idempotency_key", length = 128)
    private String idempotencyKey;

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

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

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

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

    public PaymentTransaction() {}

    // 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 PaymentTransactionType getType() { return type; }
    public void setType(PaymentTransactionType type) { this.type = type; }

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

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

    public String getCurrency() { return currency; }
    public void setCurrency(String currency) { this.currency = currency; }

    public String getGatewayTransactionId() { return gatewayTransactionId; }
    public void setGatewayTransactionId(String gatewayTransactionId) { this.gatewayTransactionId = gatewayTransactionId; }

    public String getGatewayResponseCode() { return gatewayResponseCode; }
    public void setGatewayResponseCode(String gatewayResponseCode) { this.gatewayResponseCode = gatewayResponseCode; }

    public String getAvsResult() { return avsResult; }
    public void setAvsResult(String avsResult) { this.avsResult = avsResult; }

    public String getCvvResult() { return cvvResult; }
    public void setCvvResult(String cvvResult) { this.cvvResult = cvvResult; }

    public String getThreeDsVersion() { return threeDsVersion; }
    public void setThreeDsVersion(String threeDsVersion) { this.threeDsVersion = threeDsVersion; }

    public String getIdempotencyKey() { return idempotencyKey; }
    public void setIdempotencyKey(String idempotencyKey) { this.idempotencyKey = idempotencyKey; }

    public String getRequestPayload() { return requestPayload; }
    public void setRequestPayload(String requestPayload) { this.requestPayload = requestPayload; }

    public String getResponsePayload() { return responsePayload; }
    public void setResponsePayload(String responsePayload) { this.responsePayload = responsePayload; }

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

    public LocalDateTime getCreatedAt() { return createdAt; }
    public void setCreatedAt(LocalDateTime createdAt) { this.createdAt = createdAt; }

    @PrePersist
    public void prePersist() {
        LocalDateTime now = LocalDateTime.now();
        if (createdAt == null) {
            createdAt = now;
        }
    }

}