import ThankYouBanner from "@/components/pages/AdditionalPurchases/components/ThankYouBanner";
import styles from "./styles.module.scss";
import Title from "@/components/Title";
import { addCurrency, ELocalesPlacement } from "@/locales";
import { getPriceCentsToDollars } from "@/services/price";
import { useSelector } from "react-redux";
import { selectors } from "@/store";
import Loader, { LoaderColor } from "@/components/Loader";
import { useCallback, useEffect, useState } from "react";
import { useApi } from "@/api";
import { useAuth } from "@/auth";
import { useNavigate } from "react-router-dom";
import routes from "@/routes";
import { loadStripe, Stripe } from "@stripe/stripe-js";
import { ResponseGet } from "@/api/resources/SinglePayment";
import { Elements } from "@stripe/react-stripe-js";
import CheckoutForm from "@/components/PaymentPage/methods/CheckoutForm";
import { useSinglePayment } from "@/hooks/payment/useSinglePayment";
import { useTranslations } from "@/hooks/translations";

const currentProductKey = "skip.trial.subscription.aura";
const returnUrl = `${window.location.host}${routes.client.addConsultant()}`;

function SkipTrial() {
  const { translate } = useTranslations(ELocalesPlacement.V1);
  const navigate = useNavigate();
  const api = useApi();
  const { token, user } = useAuth();
  const currency = useSelector(selectors.selectCurrency);
  const [price, setPrice] = useState(0);
  const [isLoading, setIsLoading] = useState(false);
  const [stripePromise, setStripePromise] =
    useState<Promise<Stripe | null> | null>(null);
  const [stripePublicKey, setStripePublicKey] = useState<string>("");
  const [clientSecret, setClientSecret] = useState<string | null>(null);
  const [product, setProduct] = useState<ResponseGet>();
  const { checkProductPurchased } = useSinglePayment();

  const activeProductFromStore = useSelector(selectors.selectActiveProduct);

  useEffect(() => {
    (async () => {
      const isPurchasedSkipTrial = await checkProductPurchased(
        currentProductKey,
        token
      );
      const isPurchasedPremiumBundle = await checkProductPurchased(
        "premium.bundle.aura",
        token
      );
      if (isPurchasedSkipTrial || isPurchasedPremiumBundle) {
        return navigate(routes.client.addConsultant());
      }
    })();
  }, [checkProductPurchased, navigate, token]);

  useEffect(() => {
    (async () => {
      const products = await api.getSinglePaymentProducts({ token });

      const product = products.find(
        (product) => product.key === currentProductKey
      );

      if (product && product.price) {
        setPrice(product?.price);
        setProduct(product);
      }
    })();
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, []);

  useEffect(() => {
    if (!stripePublicKey) return;

    setStripePromise(loadStripe(stripePublicKey));
  }, [stripePublicKey]);

  const goPremiumBundle = () => {
    navigate(routes.client.addConsultant());
  };

  const buy = async () => {
    if (!user?.id || !product) return;

    const { _id, key } = product;
    const paymentInfo = {
      productId: _id,
      key,
    };

    try {
      setIsLoading(true);
      const response = await api.createSinglePayment({
        token: token,
        data: {
          user: {
            id: user.id,
            email: user.email,
            name: user.username || "",
            sign: user.profile?.sign?.sign || "",
            age: user.profile.age?.years || 0,
          },
          partner: {
            sign: "",
            age: 0,
          },
          paymentInfo,
          return_url: returnUrl,
        },
      });

      if (
        ("paymentIntent" in response &&
          response.paymentIntent.status === "paid") ||
        ("payment" in response && response.payment.status === "paid") ||
        ("invoiceId" in response && response.invoiceId === "paid")
      ) {
        goPremiumBundle();
      } else if ("paymentIntent" in response) {
        setClientSecret(response.paymentIntent.data.client_secret);
        setStripePublicKey(response.paymentIntent.data.public_key);
      }
    } catch (error) {
      console.log("Error: ", error);
    } finally {
      setIsLoading(false);
    }
  };

  const getBenefits = useCallback(() => {
    return Math.ceil(
      Math.abs(
        ((price || 0) / ((activeProductFromStore?.price || 0) * 4) - 1) * 100
      )
    );
  }, [activeProductFromStore?.price, price]);

  return (
    <>
      <ThankYouBanner containerClassName={styles["thank-you"]} />
      <Title className={styles.title} variant="h2">
        {translate("/skip-trial.title")}
      </Title>

      <div className="discount-screen__blocks">
        <section
          className={`discount-screen__block ${styles["discount-screen__block"]}`}
        >
          <span className="discount-screen__price-block">
            {translate("/skip-trial.price_per_week", {
              price: addCurrency(
                (activeProductFromStore?.price || 0) / 100,
                currency
              ),
            })}
          </span>

          <div className="discount-screen__details">
            <span className="discount-screen__details-name">
              {translate("/skip-trial.billing_period")}
            </span>
            <span className="discount-screen__details-value">
              {translate("/skip-trial.start_trial.every_week")}
            </span>
          </div>

          <div className="discount-screen__details">
            <span className="discount-screen__details-name">
              {translate("/skip-trial.billed_amount")}
            </span>
            <span className="discount-screen__details-value">
              {addCurrency(
                (activeProductFromStore?.price || 0) / 100,
                currency
              )}
            </span>
          </div>

          <div className="discount-screen__details">
            <span className="discount-screen__details-name">
              {translate("/skip-trial.billed_in_4_weeks")}
            </span>
            <span className="discount-screen__details-value">
              {addCurrency(
                ((activeProductFromStore?.price || 0) / 100) * 4,
                currency
              )}
            </span>
          </div>

          <button
            className={`discount-screen__button ${styles["discount-screen__button"]}`}
            onClick={goPremiumBundle}
          >
            {translate("/skip-trial.start_trial.start_trial")}
          </button>
        </section>

        <section
          className={`discount-screen__block ${styles["discount-screen__block"]}`}
        >
          <div className="discount-screen__header-block">
            {translate("/skip-trial.skip_trial.save", {
              save: getBenefits(),
            })}
          </div>

          <span className="discount-screen__price-block">
            {translate("/skip-trial.price_per_week", {
              price: addCurrency(
                getPriceCentsToDollars((price || 0) / 4),
                currency
              ),
            })}
          </span>

          <div className="discount-screen__details">
            <span className="discount-screen__details-name">
              {translate("/skip-trial.billing_period")}
            </span>
            <span className="discount-screen__details-value">
              {translate("/skip-trial.skip_trial.every_4_weeks")}
            </span>
          </div>

          <div className="discount-screen__details">
            <span className="discount-screen__details-name">
              {translate("/skip-trial.billed_amount")}
            </span>
            <span className="discount-screen__details-value">
              {addCurrency(getPriceCentsToDollars(price || 0), currency)}
            </span>
          </div>

          <div className="discount-screen__details">
            <span className="discount-screen__details-name">
              {translate("/skip-trial.billed_in_4_weeks")}
            </span>
            <span className="discount-screen__details-value">
              {addCurrency(getPriceCentsToDollars(price || 0), currency)}
            </span>
          </div>

          <button
            className={`discount-screen__button ${styles["discount-screen__button"]}`}
            onClick={buy}
            disabled={isLoading}
          >
            {isLoading ? (
              <Loader
                color={LoaderColor.White}
                className="discount-screen__loader"
              />
            ) : (
              <span style={{ maxWidth: "100px" }}>
                {translate("/skip-trial.skip_trial.skip_trial")}
              </span>
            )}
          </button>
        </section>
      </div>

      {stripePromise && clientSecret && (
        <div className={`discount-screen__widget`}>
          <Elements stripe={stripePromise} options={{ clientSecret }}>
            <CheckoutForm returnUrl={returnUrl} />
          </Elements>
        </div>
      )}
    </>
  );
}

export default SkipTrial;