All files / src/sections/PayBuilder/Checkout/components VerifyPurchaseModal.tsx

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import { useEffect, useState } from "react";
import NiceModal from "@ebay/nice-modal-react";
import GiveButton from "@shared/Button/GiveButton";
import GiveBaseModal from "@shared/modals/GiveBaseModal";
import useNiceModal from "@common/Modal/ModalFactory/hooks/useNiceModal";
import { OTPVerification } from "@features/common/OTP";
import GiveText from "@shared/Text/GiveText";
import { useAppTheme } from "@theme/v2/Provider";
import { useCustomThemeV2 } from "@theme/hooks/useCustomThemeV2";
import { VERIFY_PURCHASE } from "@sections/PayBuilder/constants";
 
export type VerifyPurchaseFailure = {
  message: string;
  needsNewCode: boolean;
};
 
type VerifyPurchaseModalProps = {
  email: string;
  /**
   * Submits the code. Resolves null once the purchase is confirmed — the modal
   * closes itself — or with the refusal to show, staying open so the buyer can
   * correct it. needsNewCode means this code is dead however many times it is
   * retyped, so the resend is offered at once.
   */
  onVerify: (code: string) => Promise<VerifyPurchaseFailure | null>;
  /** Rejects when no mail went out, so the cooldown is not restarted for it. */
  /** Resolves null once mailed, or with the refusal to show beside the link. */
  onResend: () => Promise<string | null>;
  /** Called whenever the modal leaves, so the caller can drop what it staged. */
  onDismiss?: () => void;
};
 
export const VerifyPurchaseModal = NiceModal.create(
  ({ email, onVerify, onResend, onDismiss }: VerifyPurchaseModalProps) => {
    const [otp, setOtp] = useState("");
    const [timer, setTimer] = useState(VERIFY_PURCHASE.RESEND_SECONDS);
    const [error, setError] = useState<string | null>(null);
    const [isVerifying, setIsVerifying] = useState(false);
    const [isResending, setIsResending] = useState(false);
    const [resendError, setResendError] = useState<string | null>(null);
    const { open, onClose: hide, TransitionProps } = useNiceModal();
 
    // Escape and the header X reach this too, not just Cancel.
    const onClose = () => {
      Iif (isVerifying) return;
      hide();
    };
 
    // Every removal path, so what the caller staged is not left behind.
    useEffect(() => () => onDismiss?.(), [onDismiss]);
    const { palette } = useAppTheme();
    const { isMobileView } = useCustomThemeV2();
 
    // Boolean(error): resubmitting the refused code spends another attempt.
    const [descriptionBefore, descriptionAfter] =
      VERIFY_PURCHASE.DESCRIPTION_TEMPLATE.split(
        VERIFY_PURCHASE.EMAIL_PLACEHOLDER,
      );
 
    const isSubmitDisabled =
      otp.length < VERIFY_PURCHASE.CODE_LENGTH || isVerifying || Boolean(error);
 
    useEffect(() => {
      if (timer === 0) return;
      const interval = setInterval(() => setTimer((prev) => prev - 1), 1000);
      return () => clearInterval(interval);
    }, [timer]);
 
    // Clearing on edit: the buyer is correcting the code the message is about,
    // so leaving it up would describe what they are no longer looking at.
    const handleChange = (value: string) => {
      setOtp(value);
      if (error) setError(null);
      if (resendError) setResendError(null);
    };
 
    const handleResend = async () => {
      // The link stays up while the send is in flight; a second click spends
      // another send and earns a cooldown refusal.
      if (isResending) return;
      setIsResending(true);
      try {
        const message = await onResend();
        if (message) {
          // Not setError: that slot reddens the code boxes.
          setResendError(message);
          return;
        }
      } catch {
        setResendError(VERIFY_PURCHASE.RESEND_FAILED);
        return;
      } finally {
        setIsResending(false);
      }
      setTimer(VERIFY_PURCHASE.RESEND_SECONDS);
      setOtp("");
      setError(null);
      setResendError(null);
    };
 
    const handleConfirm = async () => {
      setIsVerifying(true);
      let failure: VerifyPurchaseFailure | null;
      try {
        failure = await onVerify(otp);
      } catch {
        // Without this the modal is wedged open with every control disabled.
        setError(VERIFY_PURCHASE.GENERIC_INVALID_CODE);
        return;
      } finally {
        setIsVerifying(false);
      }
      if (failure) {
        setError(failure.message);
        // The API's cooldown counts spent sends too, so it is not shortened.
        if (failure.needsNewCode) setOtp("");
        return;
      }
      onClose();
    };
 
    return (
      <GiveBaseModal
        open={open}
        onClose={onClose}
        // The code is single-use, so a stray click beside the modal costs
        // the buyer a resend to get back to where they were.
        disableBackdropClick
        // Hiding leaves the entry and its callbacks in the modal store.
        TransitionProps={TransitionProps}
        title={VERIFY_PURCHASE.TITLE}
        width={isMobileView ? "100%" : VERIFY_PURCHASE.MODAL_WIDTH}
        height="fit-content"
        buttons={
          <>
            <GiveButton
              variant="ghost"
              size="large"
              label={VERIFY_PURCHASE.CANCEL_LABEL}
              onClick={onClose}
              disabled={isVerifying}
            />
            <GiveButton
              size="large"
              variant="filled"
              label={VERIFY_PURCHASE.VERIFY_LABEL}
              onClick={handleConfirm}
              data-testid="submit-action-button"
              disabled={isSubmitDisabled}
              sx={{ border: "none" }}
            />
          </>
        }
      >
        <OTPVerification
          email={email}
          otp={otp}
          setOtp={handleChange}
          error={error}
          timer={timer}
          onResend={handleResend}
          showLogo
          numInputs={VERIFY_PURCHASE.CODE_LENGTH}
          timerFormat="clock"
          resendPrompt={VERIFY_PURCHASE.RESEND_PROMPT}
          countdownPrefix={VERIFY_PURCHASE.COUNTDOWN_PREFIX}
          resendLabel={VERIFY_PURCHASE.RESEND_LABEL}
          timerSx={{ paddingBottom: "60px" }}
          description={
            <GiveText variant="bodyS" color="secondary" textAlign="center">
              {descriptionBefore}
              <span style={{ color: palette.text.primary }}>{email}</span>
              {descriptionAfter}
            </GiveText>
          }
        />
        {resendError && (
          <GiveText
            variant="bodyS"
            color="error"
            textAlign="center"
            role="alert"
            data-testid="resend-error"
          >
            {resendError}
          </GiveText>
        )}
      </GiveBaseModal>
    );
  },
);