import bigDecimal from "js-big-decimal";
import SectionWrapper from "@components/SectionWrapper";
import ArrowBackIcon from "@mui/icons-material/ArrowBack";
import {
  Box,
  Button,
  IconButton,
  Typography,
  useMediaQuery,
  useTheme,
} from "@mui/material";
import { activatePromocode } from "@root/api/promocode";
import { sendPayment, sendRSPayment } from "@root/api/wallet";
import rsPayLogo from "@root/assets/bank-logo/rs-pay.png";
import sberpayLogo from "@root/assets/bank-logo/sberpay.png";
import umoneyLogo from "@root/assets/bank-logo/umaney.png";
import bankCardLogo from "@root/assets/bank-logo/bankcard.png";
import InputTextfield from "@root/components/InputTextfield";
import { VerificationStatus } from "@root/model/account";
import { useUserStore } from "@root/stores/user";
import { currencyFormatter } from "@root/utils/currencyFormatter";
import { useHistoryTracker } from "@root/utils/hooks/useHistoryTracker";
import { cardShadow } from "@root/utils/theme";
import { enqueueSnackbar } from "notistack";
import { useEffect, useState } from "react";
import { useNavigate } from "react-router-dom";
import CollapsiblePromocodeField from "./CollapsiblePromocodeField";
import PaymentMethodCard from "./PaymentMethodCard";
import { SorryModal } from "./SorryModal";
import { WarnModal } from "./WarnModal";
import { mutate } from "swr";
import { allTypesOfPurchases, cancelPayCartProcess } from "@root/stores/allTypesOfPurchases";
import { useAutoPay } from "./useAutoPay";

type PaymentMethod = {
  label: string;
  name: string;
  image: string;
  unpopular?: boolean;
};

const paymentMethods: PaymentMethod[] = [
  { label: "Банковская карта", name: "bankCard", image: bankCardLogo },
  // { label: "Тинькофф", name: "tinkoffBank", image: tinkoffLogo },
  // { label: "СБП", name: "sbp", image: spbLogo },
  { label: "SberPay", name: "sberbank", image: sberpayLogo },
  // { label: "B2B Сбербанк", name: "b2bSberbank", image: b2bLogo },
  { label: "ЮMoney", name: "yoomoney", image: umoneyLogo },
];

type PaymentMethodType = (typeof paymentMethods)[number]["name"];

export default function Payment() {
  const theme = useTheme();
  const upMd = useMediaQuery(theme.breakpoints.up("md"));
  const upSm = useMediaQuery(theme.breakpoints.up("sm"));
  const isTablet = useMediaQuery(theme.breakpoints.down(1000));

  const navigate = useNavigate();
  const handleCustomBackNavigation = useHistoryTracker();

  const userId = useUserStore((state) => state.userId) || "";
  const notEnoughMoneyAmount = allTypesOfPurchases(state => state.notEnoughMoneyAmount);
  const siteReadyPayCart = allTypesOfPurchases(state => state.siteReadyPayCart)
  const verificationStatus = useUserStore((state) => state.verificationStatus);
  const action = allTypesOfPurchases(state => state.action);
  const fromDomain = allTypesOfPurchases(state => state.fromDomain);
  const backWay = allTypesOfPurchases(state => state.backWay);
  const additionalinformation = allTypesOfPurchases(state => state.additionalinformation);

  console.log("Payment - значения из Zustand store:");
  console.log("action:", action);
  console.log("fromDomain:", fromDomain);
  console.log("backWay:", backWay);
  console.log("additionalinformation:", additionalinformation);
  console.log("notEnoughMoneyAmount:", notEnoughMoneyAmount);

  const [promocodeField, setPromocodeField] = useState<string>("");
  const [selectedPaymentMethod, setSelectedPaymentMethod] = useState<PaymentMethodType | null>("");

  const [paymentValueField, setPaymentValueField] = useAutoPay();

  const [warnModalOpen, setWarnModalOpen] = useState<boolean>(false);
  const [sorryModalOpen, setSorryModalOpen] = useState<boolean>(false);

  // paymentValue в копейках для API
  const paymentValue = Number(
    bigDecimal.multiply(parseFloat(paymentValueField || "0"), 100)
  );

  useEffect(() => {
    return () => {
      cancelPayCartProcess();
    }
  }, [])

  //https://shub.pena.digital/quizpayment?action=squizpay&dif=9800&data=eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6IjY2ODVhNTc4OTgzZWU3N2Y4ZTFlNjNkYyIsImF1ZCI6InBlbmEiLCJpc3MiOiJwZW5hLWF1dGgtc2VydmljZSIsImlhdCI6MTcyMjIyMjgzMywiZXhwIjoxNzI3NDA2ODMzfQ.My1KJWFk034MiMdImQSlzf5p4Sn5Dhboj2VvPQteh59tD_CwXyPtePEyev3thV_58IbOOgJ5cgeBm0JKn7atgMgRMpNQVdeYKtf6HYvVoAqkrMcT1LHgAlEQ0TcaXssFKCQGuiCVltHY3UE-kQv5TeydBpO3U9BDKvMqRqv5-Xo&userid=6685a578983ee77f8e1e63dc
  const handlePaymentClick = () => {
    // Проверяем оба источника данных
    const hasPaymentValue = Number(paymentValueField) > 0;
    const hasNotEnoughMoney = notEnoughMoneyAmount > 0;
    
    console.log("handlePaymentClick - проверка:");
    console.log("paymentValueField:", paymentValueField);
    console.log("Number(paymentValueField):", Number(paymentValueField));
    console.log("notEnoughMoneyAmount:", notEnoughMoneyAmount);
    console.log("hasPaymentValue:", hasPaymentValue);
    console.log("hasNotEnoughMoney:", hasNotEnoughMoney);
    
    if (!hasPaymentValue && !hasNotEnoughMoney) {
      enqueueSnackbar("Введите сумму");
      return;
    }
    
    if (selectedPaymentMethod === "rspay") {
      const amountToCheck = hasPaymentValue ? Number(paymentValueField) : Number(bigDecimal.divide(notEnoughMoneyAmount, 100));
      if (amountToCheck < 900) {
        enqueueSnackbar("Минимальная сумма 900р");
        return;
      }
      if (verificationStatus !== VerificationStatus.VERIFICATED) {
        setWarnModalOpen(true);
        return;
      }
      startPayRS()
    } else {
      startPayCard()
    }
  }

  const startPayRS = async () => {
    // Определяем сумму для оплаты
    const hasPaymentValue = Number(paymentValueField) > 0;
    const amountInRubles = hasPaymentValue ? Number(paymentValueField) : Number(bigDecimal.divide(notEnoughMoneyAmount, 100));

    const [sendRSPaymentResponse] = await sendRSPayment(amountInRubles);

    if (sendRSPaymentResponse) {
      return enqueueSnackbar(sendRSPaymentResponse);
    }

    enqueueSnackbar(
      "Cпасибо за заявку, в течении 24 часов вам будет выставлен счёт для оплаты услуг."
    );

    navigate("/settings");
  }

  const startPayCard = async () => {

    if (!selectedPaymentMethod) {
      enqueueSnackbar("Введите метод оплаты");
      return
    }

    // Определяем сумму для оплаты
    const hasPaymentValue = Number(paymentValueField) > 0;
    const amountInRubles = hasPaymentValue ? Number(paymentValueField) : Number(bigDecimal.divide(notEnoughMoneyAmount, 100));
    const amountInKopecks = Number(bigDecimal.floor(bigDecimal.multiply(amountInRubles, 100)));

    console.log("startPayCard - параметры:");
    console.log("action:", action);
    console.log("fromDomain:", fromDomain);
    console.log("backWay:", backWay);
    console.log("amountInRubles:", amountInRubles);
    console.log("amountInKopecks:", amountInKopecks);

    const [sendPaymentResponse, sendPaymentError] = await sendPayment({
      userId,
      body: {
        type: selectedPaymentMethod,
        amount: amountInKopecks,
      },
      action: action || undefined,
      fromDomain: fromDomain || undefined,
      backWay: backWay || undefined,
      additionalinformation: additionalinformation || undefined,
    });

    if (sendPaymentError) {
      return enqueueSnackbar(sendPaymentError);
    }

    //Произошёл запрос на пополнение счёта. Нам вернули ссылку для перехода на страницу пополнения.
    if (sendPaymentResponse) {
      document.location.href = sendPaymentResponse.link;
    }
  }


  async function handleApplyPromocode() {
    if (!promocodeField) return;

    const [greeting, activateError] = await activatePromocode(promocodeField);

    if (activateError) {
      return enqueueSnackbar(activateError);
    }

    enqueueSnackbar(greeting);
    mutate("discounts");
  }

  return (
    <SectionWrapper
      maxWidth="lg"
      sx={{
        mt: "25px",
        mb: "70px",
        px: isTablet ? (upMd ? "40px" : "18px") : "20px",
      }}
    >
      <Box
        sx={{
          mt: "20px",
          mb: "40px",
          display: "flex",
          gap: "10px",
        }}
      >
        {window.history.length > 1 && (
          <IconButton
            onClick={handleCustomBackNavigation}
            sx={{ p: 0, height: "28px", width: "28px", color: "black" }}
          >
            <ArrowBackIcon />
          </IconButton>
        )}
        <Typography variant="h4">Способ оплаты</Typography>
      </Box>
      {!upMd && (
        <Typography variant="body2" mb="30px">
          Выберите способ оплаты
        </Typography>
      )}
      <Box
        sx={{
          backgroundColor: upMd ? "white" : undefined,
          display: "flex",
          flexDirection: upMd ? "row" : "column",
          borderRadius: "12px",
          boxShadow: upMd ? cardShadow : undefined,
        }}
      >
        <Box
          sx={{
            width: upMd ? "68.5%" : undefined,
            p: upMd ? "20px" : undefined,
            display: "flex",
            flexDirection: "column",
            alignItems: "start",
            gap: "40px",
          }}
        >
          <Box
            sx={{
              width: "100%",
              display: "flex",
              flexDirection: upSm ? "row" : "column",
              flexWrap: "wrap",
              gap: upMd ? "14px" : "20px",
              alignContent: "start",
            }}
          >
            {paymentMethods.map(({ name, label, image, unpopular = false }) => (
              <PaymentMethodCard
                isSelected={selectedPaymentMethod === name}
                key={name}
                label={label}
                image={image}
                onClick={() => {
                  setSelectedPaymentMethod(name);
                }}
                unpopular={false}
              />
            ))}
            <PaymentMethodCard
              isSelected={selectedPaymentMethod === "rspay"}
              label={"Расчётный счёт"}
              image={rsPayLogo}
              onClick={async () => {
                setSelectedPaymentMethod("rspay");
              }}
              unpopular={false}
            />
          </Box>
          <CollapsiblePromocodeField
            fieldValue={promocodeField}
            onFieldChange={setPromocodeField}
            onPromocodeApply={handleApplyPromocode}
          />
        </Box>
        <Box
          sx={{
            display: "flex",
            flexDirection: "column",
            justifyContent: "space-between",
            alignItems: "start",
            color: theme.palette.gray.dark,
            width: upMd ? "31.5%" : undefined,
            p: upMd ? "20px" : undefined,
            pl: upMd ? "33px" : undefined,
            mt: upMd ? undefined : "30px",
            borderLeft: upMd
              ? `1px solid ${theme.palette.gray.main}`
              : undefined,
          }}
        >
          <Box
            sx={{
              display: "flex",
              flexDirection: "column",
              maxWidth: "85%",
            }}
          >
            {upMd && <Typography mb="56px">Выберите способ оплаты</Typography>}
            <Typography mb="20px">К оплате</Typography>
            {
              siteReadyPayCart?.[userId] && notEnoughMoneyAmount > 0 ?
                <Typography
                  sx={{
                    fontWeight: 500,
                    fontSize: "20px",
                    lineHeight: "48px",
                    mb: "28px",
                  }}
                >
                  {currencyFormatter.format(
                    Number(bigDecimal.divide(notEnoughMoneyAmount, 100))
                  )}
                </Typography>
                :
                <InputTextfield
                  TextfieldProps={{
                    placeholder: "К оплате",
                    value: paymentValueField,
                    type: "number",
                  }}
                  onChange={(e) => {
                    const value = parseFloat(
                      e.target.value.replace(/^0+(?=\d\.)/, "")
                    );
                    setPaymentValueField(isNaN(value) ? "" : value.toString());
                  }}
                  id="payment-amount"
                  gap={upMd ? "16px" : "10px"}
                  color={"#F2F3F7"}
                  FormInputSx={{ mb: "28px" }}
                />
            }

          </Box>
          <Button
            variant="pena-outlined-light"
            disabled={!isFinite(paymentValue)}
            onClick={handlePaymentClick}
            sx={{
              mt: "auto",
              color: "black",
              border: `1px solid ${theme.palette.purple.main}`,
              "&:hover": {
                color: "white",
              },
              "&:active": {
                color: "white",
              },
            }}
          >
            Оплатить
          </Button>
        </Box>
      </Box>
      <WarnModal open={warnModalOpen} setOpen={setWarnModalOpen} />
      <SorryModal open={sorryModalOpen} setOpen={setSorryModalOpen} />
    </SectionWrapper>
  );
}
//https://shub.pena.digital/quizpayment?action=squizpay&dif=50000&data=eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6IjY4NDcxNjAxYzE0OWU0ZDI0ZWJmNTExNyIsImF1ZCI6InBlbmEiLCJpc3MiOiJwZW5hLWF1dGgtc2VydmljZSIsImlhdCI6MTc0OTQ4OTE1MywiZXhwIjoxNzU0NjczMTUzfQ.SqEXFSPzP3ugIscqLywGkjFJmFqx13zOtxGAjZQ6SzUw8w9ZXjE9uFn8VbLBMGPqeJbvcT2jRV2bB5qtqMy1T3aNuSZ9AZW0jY1hGvFB-bSrYguMV1yErLkR45SvdK2jGI6dg3p6LRqCHb2JMl8vur_KKaus3GiJlsTNNR0fhgI&userid=68471601c149e4d24ebf5117&from=AI&wayback=ai_27969