package checkout

import (
	"errors"
	"time"

	messages "git.k6n.net/go-cart-actor/proto/checkout"
)

func asPointer[T any](value T) *T {
	return &value
}

var ErrPaymentNotFound = errors.New("payment not found")

func HandlePaymentDeclined(g *CheckoutGrain, m *messages.PaymentDeclined) error {

	payment, found := g.FindPayment(m.PaymentId)
	if !found {
		return ErrPaymentNotFound
	}

	payment.CompletedAt = asPointer(time.Now())
	payment.Status = "failed"
	g.PaymentInProgress--

	return nil
}