//go:build test && dev

package payments

import (
	"context"
	"net/http"
	"testing"
	"time"

	"crussell/db"
	"crussell/mw"
	"crussell/testutils"
	"crussell/testutils/fixtures"
	"crussell/testutils/jwt"

	"github.com/stretchr/testify/require"
)

// withNonGuest wraps a payment handler in the RequireNonGuest middleware, the
// same chain main.go mounts for user-facing money routes (after RequireAuth).
func withNonGuest(handler http.HandlerFunc) http.HandlerFunc {
	return mw.RequireNonGuest(handler).ServeHTTP
}

// createGuestBooking sets up a guest user with an in_progress booking so a
// charge would otherwise succeed if the guest guard did not block it.
func createGuestBooking(t *testing.T, ctx context.Context, q db.Querier) (string, string) {
	guestID, err := fixtures.CreateTestGuestUser(q)
	require.NoError(t, err)

	serviceID, err := fixtures.CreateTestService(q)
	require.NoError(t, err)

	bookingID, err := fixtures.CreateTestBookingAtTime(q, guestID, serviceID, time.Date(2099, 12, 31, 10, 0, 0, 0, time.UTC))
	require.NoError(t, err)

	_, err = q.Exec(ctx, "UPDATE bookings SET status = 'in_progress' WHERE id = $1", bookingID)
	require.NoError(t, err)

	return guestID, bookingID
}

func TestGuestBlocked_CreateBookingPayment(t *testing.T) {
	t.Parallel()
	ctx, tx := testutils.SetupTestTx(t)

	guestID, bookingID := createGuestBooking(t, ctx, tx)
	guestToken := jwt.GenerateTestToken(guestID, "guest")

	cardToken := "cnon:test-card-nonce"
	req := CreateBookingPaymentRequest{
		Amount:         2500,
		PaymentType:    "deposit",
		NewCardToken:   &cardToken,
		IdempotencyKey: "guest-block-payment-key",
	}

	handler := withNonGuest(CreateBookingPayment)
	w := makePaymentRequest(handler, "POST", "/api/bookings/"+bookingID+"/payment", req, guestToken, ctx)

	if w.Code != http.StatusForbidden {
		t.Errorf("expected 403 for guest payment, got %d. body: %s", w.Code, w.Body.String())
	}

	var count int
	if err := tx.QueryRow(ctx, "SELECT COUNT(*) FROM payments WHERE booking_id = $1", bookingID).Scan(&count); err != nil {
		t.Fatalf("failed to query payments: %v", err)
	}
	if count != 0 {
		t.Errorf("expected 0 payment rows for blocked guest, got %d", count)
	}
}

func TestGuestBlocked_CreateTipPayment(t *testing.T) {
	t.Parallel()
	ctx, tx := testutils.SetupTestTx(t)

	guestID, bookingID := createGuestBooking(t, ctx, tx)
	guestToken := jwt.GenerateTestToken(guestID, "guest")

	cardToken := "cnon:tip-card"
	req := CreateTipPaymentRequest{
		Amount:       500,
		NewCardToken: &cardToken,
	}

	handler := withNonGuest(CreateTipPayment)
	w := makePaymentRequest(handler, "POST", "/api/bookings/"+bookingID+"/tip", req, guestToken, ctx)

	if w.Code != http.StatusForbidden {
		t.Errorf("expected 403 for guest tip, got %d. body: %s", w.Code, w.Body.String())
	}
}

func TestGuestBlocked_BuyGiftCard(t *testing.T) {
	t.Parallel()
	ctx, tx := testutils.SetupTestTx(t)

	guestID, err := fixtures.CreateTestGuestUser(tx)
	require.NoError(t, err)
	guestToken := jwt.GenerateTestToken(guestID, "guest")

	newToken := "cnon:test-card"
	req := BuyGiftCardRequest{
		Amount:         1000,
		RecipientType:  "self",
		NewCardToken:   &newToken,
		IdempotencyKey: "guest-block-gc-key",
	}

	handler := withNonGuest(BuyGiftCard)
	w := makePaymentRequest(handler, "POST", "/api/user/giftcards/buy", req, guestToken, ctx)

	if w.Code != http.StatusForbidden {
		t.Errorf("expected 403 for guest gift card purchase, got %d. body: %s", w.Code, w.Body.String())
	}
}

func TestGuestBlocked_VerifiedUserStillPays(t *testing.T) {
	t.Parallel()
	ctx, tx := testutils.SetupTestTx(t)

	userID, bookingID, _ := setupTestData(t, ctx, tx)
	userToken := jwt.GenerateUserToken(userID)

	cardToken := "cnon:test-card-nonce"
	req := CreateBookingPaymentRequest{
		Amount:         2500,
		PaymentType:    "deposit",
		NewCardToken:   &cardToken,
		SaveCard:       true,
		IdempotencyKey: "guest-block-verified-key",
	}

	handler := withNonGuest(CreateBookingPayment)
	w := makePaymentRequest(handler, "POST", "/api/bookings/"+bookingID+"/payment", req, userToken, ctx)

	if w.Code != http.StatusOK {
		t.Errorf("expected 200 for verified user through RequireNonGuest, got %d. body: %s", w.Code, w.Body.String())
	}

	var count int
	if err := tx.QueryRow(ctx, "SELECT COUNT(*) FROM payments WHERE booking_id = $1", bookingID).Scan(&count); err != nil {
		t.Fatalf("failed to query payments: %v", err)
	}
	if count != 1 {
		t.Errorf("expected 1 payment for verified user, got %d", count)
	}
}