import EmailInput from "@/components/EmailEnterPage/EmailInput";
import styles from "./styles.module.css";
import { useCallback, useEffect, useState } from "react";
import { useTranslation } from "react-i18next";
import { actions, selectors } from "@/store";
import { useDispatch, useSelector } from "react-redux";
import MainButton from "@/components/MainButton";
import Loader, { LoaderColor } from "@/components/Loader";
import { useAuth } from "@/auth";
import { ApiError, extractErrorMessage, useApi } from "@/api";
import { getClientTimezone } from "@/locales";
import ErrorText from "@/components/ErrorText";
import Title from "@/components/Title";
import NameInput from "@/components/EmailEnterPage/NameInput";
import { useParams } from "react-router-dom";
import routes from "@/routes";
import PaymentForm from "./PaymentForm";
import { getPriceCentsToDollars } from "@/services/price";
import { useSinglePayment } from "@/hooks/payment/useSinglePayment";

function PaymentWithEmailPage() {
  const { productId } = useParams();
  const { t, i18n } = useTranslation();
  // const tokenFromStore = useSelector(selectors.selectToken);
  const { signUp, user: userFromStore, token: tokenFromStore } = useAuth();
  const api = useApi();
  const timezone = getClientTimezone();
  const dispatch = useDispatch();
  const birthday = useSelector(selectors.selectBirthday);
  const locale = i18n.language;
  const [email, setEmail] = useState("");
  const [name, setName] = useState("");
  const [isValidEmail, setIsValidEmail] = useState(false);
  const [isValidName, setIsValidName] = useState(productId !== "chat.aura");
  const [isDisabled, setIsDisabled] = useState(true);
  const [isAuth, setIsAuth] = useState(false);
  const [apiError, setApiError] = useState<ApiError | null>(null);
  const [error, setError] = useState<boolean>(false);
  const returnUrl = `${window.location.protocol}//${
    window.location.host
  }${routes.client.paymentResult()}`;

  const [isLoadingAuth, setIsLoadingAuth] = useState<boolean>(false);

  const {
    product,
    paymentIntent,
    createSinglePayment,
    isLoading: isLoadingSinglePayment,
    error: errorSinglePayment,
  } = useSinglePayment();

  useEffect(() => {
    if (
      isValidName &&
      isValidEmail &&
      !(error || apiError || errorSinglePayment?.error)
    ) {
      setIsDisabled(false);
    } else {
      setIsDisabled(true);
    }
  }, [
    isValidEmail,
    email,
    isValidName,
    name,
    error,
    apiError,
    errorSinglePayment?.error,
  ]);

  const handleValidEmail = (email: string) => {
    dispatch(actions.form.addEmail(email));
    setEmail(email);
    setIsValidEmail(true);
  };

  const handleValidName = (name: string) => {
    setName(name);
    setIsValidName(true);
  };

  const authorization = async () => {
    try {
      setIsLoadingAuth(true);
      const auth = await api.auth({ email, timezone, locale });
      const {
        auth: { token, user },
      } = auth;
      signUp(token, user);
      const payload = {
        user: {
          profile_attributes: {
            birthday,
            full_name: name,
          },
        },
        token,
      };
      const updatedUser = await api.updateUser(payload).catch((error) => {
        console.log("Error: ", error);
      });

      if (updatedUser?.user) {
        dispatch(actions.user.update(updatedUser.user));
      }
      if (name) {
        dispatch(
          actions.user.update({
            username: name,
          })
        );
      }
      dispatch(actions.status.update("registred"));
      setIsAuth(true);
      const userUpdated = await api.getUser({ token });
      setIsLoadingAuth(false);
      return { user: userUpdated?.user, token };
    } catch (error) {
      console.error(error);
      if (error instanceof ApiError) {
        setApiError(error as ApiError);
      } else {
        setError(true);
      }
      setIsLoadingAuth(false);
    }
  };

  const handleClick = async () => {
    const authData = await authorization();
    if (!authData) {
      return;
    }
    const { user, token } = authData;

    await createSinglePayment({
      user,
      token,
      targetProductKey: productId || "",
      returnUrl,
    });
  };

  const handleAuthUser = useCallback(async () => {
    if (!tokenFromStore.length || !userFromStore) {
      return;
    }

    await createSinglePayment({
      user: userFromStore,
      token: tokenFromStore,
      targetProductKey: productId || "",
      returnUrl,
    });
  }, [
    createSinglePayment,
    productId,
    returnUrl,
    tokenFromStore,
    userFromStore,
  ]);

  useEffect(() => {
    handleAuthUser();
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, []);

  return (
    <div className={`${styles.page} page`}>
      {(isLoadingSinglePayment || isLoadingSinglePayment) && (
        <Loader color={LoaderColor.Black} />
      )}
      {!isLoadingSinglePayment &&
        !isLoadingAuth &&
        paymentIntent &&
        "paymentIntent" in paymentIntent &&
        !!tokenFromStore.length && (
          <>
            <Title variant="h1" className={styles.title}>
              {getPriceCentsToDollars(product?.price || 0)}$
            </Title>
            <PaymentForm
              stripePublicKey={paymentIntent.paymentIntent.data.public_key}
              clientSecret={paymentIntent.paymentIntent.data.client_secret}
              returnUrl={`${returnUrl}?redirect_type=${product?.key}`}
            />
          </>
        )}
      {(!tokenFromStore || !paymentIntent) &&
        // || (productId !== "chat.aura" && !name.length)
        !isLoadingSinglePayment &&
        !isLoadingAuth && (
          <>
            <NameInput
              value={name}
              placeholder="Your name"
              onValid={handleValidName}
              onInvalid={() => setIsValidName(productId !== "chat.aura")}
            />
            <EmailInput
              name="email"
              value={email}
              placeholder={t("your_email")}
              onValid={handleValidEmail}
              onInvalid={() => setIsValidEmail(false)}
            />

            <MainButton
              className={styles.button}
              onClick={handleClick}
              disabled={isDisabled}
            >
              {isLoadingSinglePayment && <Loader color={LoaderColor.White} />}
              {!isLoadingSinglePayment &&
                !(!apiError && !error && !isLoadingSinglePayment && isAuth) &&
                t("_continue")}
              {!apiError && !error && !isLoadingSinglePayment && isAuth && (
                <img
                  className={styles["success-icon"]}
                  src="/SuccessIcon.png"
                  alt="Success Icon"
                />
              )}
            </MainButton>
          </>
        )}
      {(error || apiError || errorSinglePayment?.error) && (
        <Title variant="h3" style={{ color: "red", margin: 0 }}>
          Something went wrong:{" "}
          {errorSinglePayment?.error?.length && errorSinglePayment?.error}
        </Title>
      )}
      {apiError && (
        <ErrorText
          size="medium"
          isShown={Boolean(apiError)}
          message={apiError ? extractErrorMessage(apiError) : null}
        />
      )}
    </div>
  );
}

export default PaymentWithEmailPage;