import { logout } from "@api/auth";
import { activatePromocode } from "@api/promocode";
import type { Tariff } from "@frontend/kitui";
import { useToken } from "@frontend/kitui";
import { makeRequest } from "@api/makeRequest";
import ArrowLeft from "@icons/questionsPage/arrowLeft";
import type { GetTariffsResponse } from "@model/tariff";
import {
  Box,
  Button,
  Container,
  IconButton,
  Modal,
  Paper,
  Typography,
  useMediaQuery,
  useTheme,
} from "@mui/material";
import { clearQuizData } from "@root/quizes/store";
import { cleanAuthTicketData } from "@root/ticket";
import { clearUserData, useUserStore } from "@root/user";
import { LogoutButton } from "@ui_kit/LogoutButton";
import { useDomainDefine } from "@utils/hooks/useDomainDefine";
import { enqueueSnackbar } from "notistack";
import { useEffect, useState } from "react";
import { withErrorBoundary } from "react-error-boundary";
import { Link, useNavigate } from "react-router-dom";
import Logotip from "../../pages/Landing/images/icons/QuizLogo";
import CollapsiblePromocodeField from "./CollapsiblePromocodeField";
import { Tabs } from "./Tabs";
import { createTariffElements } from "./tariffsUtils/createTariffElements";
import { currencyFormatter } from "./tariffsUtils/currencyFormatter";
import { useWallet, setCash } from "@root/cash";
import { handleLogoutClick } from "@utils/HandleLogoutClick";
import { getDiscounts } from "@api/discounts";
import { cartApi } from "@api/cart";
import { getUser } from "@api/user";
import { getTariffs } from "@api/tariff";

import type { Discount } from "@model/discounts";

const StepperText: Record<string, string> = {
  day: "Тарифы на время",
  count: "Тарифы на объём",
  dop: "Доп. услуги",
};

function TariffPage() {
  const theme = useTheme();
  const token = useToken();
  const isTablet = useMediaQuery(theme.breakpoints.down(1000));
  const isMobile = useMediaQuery(theme.breakpoints.down(600));
  const userId = useUserStore((state) => state.userId);
  const navigate = useNavigate();
  const [tariffs, setTariffs] = useState<Tariff[]>([]);
  const [user, setUser] = useState();
  const [discounts, setDiscounts] = useState<Discount[]>([]);
  const [openModal, setOpenModal] = useState({});
  const { cashString, cashCop, cashRub } = useWallet();
  const [selectedItem, setSelectedItem] = useState<"count" | "day" | "dop">(
    "day",
  );
  const { isTestServer } = useDomainDefine();
  const [promocodeField, setPromocodeField] = useState<string>("");

  const getTariffsList = async (): Promise<Tariff[]> => {
    const tariffsList: Tariff[] = [];
    let page = 2
    const [tariffsResponse, tariffsResponseError] = await getTariffs(page - 1);

    if (tariffsResponseError || !tariffsResponse) {
      return tariffsList;
    }

    tariffsList.push(...tariffsResponse.tariffs);

    for (page; page <= tariffsResponse.totalPages; page += 1) {
      const [tariffsResult] = await getTariffs(page);

      if (tariffsResult) {
        tariffsList.push(...tariffsResult.tariffs);
      }
    }

    return tariffsList;
  };

  useEffect(() => {
    const get = async () => {
      const [user, userError] = await getUser();

      if (userError) {
        return;
      }

      const tariffsList = await getTariffsList();

      if (userId) {
        const [discounts] = await getDiscounts(userId);

        if (discounts?.length) {
          setDiscounts(discounts);
        }
      }

      setUser(user);
      setTariffs(tariffsList);

      let cs = currencyFormatter.format(Number(user.wallet.cash) / 100);
      let cc = Number(user.wallet.cash);
      let cr = Number(user.wallet.cash) / 100;
      setCash(cs, cc, cr);
    };
    get();
  }, []);

  if (!user || !tariffs || !discounts) return <LoadingPage />;

  const openModalHC = (tariffInfo: any) => setOpenModal(tariffInfo);
  const tryBuy = async ({ id, price }: { id: string; price: number }) => {
    openModalHC({});
    //Если в корзине что-то было - выкладываем содержимое и запоминаем чо там лежало
    if (user.cart.length > 0) {
      outCart(user.cart);
    }
    //Добавляем желаемый тариф в корзину
    const [_, addError] = await cartApi.add(id);

    if (addError) {
      //Развращаем товары в корзину
      inCart();

      return;
    }

    //Если нам хватает денежек - покупаем тариф
    const [data, payError] = await cartApi.pay();

    if (payError || !data) {
      //если денег не хватило
      if (payError?.includes("insufficient funds") || payError?.includes("Payment Required")) {
        let cashDif = Number(payError.split(":")[1]);
        var link = document.createElement("a");
        link.href = `https://${isTestServer ? "s" : ""}hub.pena.digital/quizpayment?action=squizpay&dif=${cashDif}&data=${token}&userid=${userId}`;
        document.body.appendChild(link);
        link.click();
        return;
      }

      //другая ошибка
      enqueueSnackbar("Произошла ошибка. Попробуйте позже");

      return;
    }

    setCash(
      currencyFormatter.format(Number(data.wallet.cash) / 100),
      Number(data.wallet.cash),
      Number(data.wallet.cash) / 100,
    );

    enqueueSnackbar("Тариф успешно приобретён");

    //Развращаем товары в корзину
    inCart();
  };

  const filteredTariffs = tariffs.filter((tariff) => {
    return (
      tariff.privileges[0].serviceKey === "squiz" &&
      !tariff.isDeleted &&
      !tariff.isCustom &&
      tariff.privileges[0]?.type === selectedItem
    );
  });

  const filteredBadgeTariffs = tariffs.filter((tariff) => {
    return (
      tariff.privileges[0].serviceKey === "squiz" &&
      !tariff.isDeleted &&
      !tariff.isCustom &&
      tariff.privileges[0].privilegeId === "squizHideBadge" &&
      tariff.privileges[0]?.type === "day"
    );
  });
  const filteredBaseTariffs = filteredTariffs.filter((tariff) => {
    return tariff.privileges[0].privilegeId !== "squizHideBadge";
  });

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

    const [greetings, error] = await activatePromocode(promocodeField);

    if (error) {
      enqueueSnackbar(error);

      return;
    }

    enqueueSnackbar(greetings);

    if (!userId) {
      return;
    }

    const [discounts, discountsError] = await getDiscounts(userId);

    if (discountsError) {
      throw new Error(discountsError);
    }

    if (discounts?.length) {
      setDiscounts(discounts);
    }
  }

  return (
    <>
      <Container
        component="nav"
        disableGutters
        maxWidth={false}
        sx={{
          px: "16px",
          display: "flex",
          height: "80px",
          alignItems: "center",
          gap: isMobile ? "7px" : isTablet ? "20px" : "60px",
          flexDirection: "row",
          justifyContent: "space-between",
          bgcolor: "white",
          borderBottom: "1px solid #E3E3E3",
        }}
      >
        <Link to="/">
          <Logotip width={124} />
        </Link>
        <IconButton onClick={() => navigate("/list")}>
          <ArrowLeft color="black" />
        </IconButton>
        <Box sx={{ display: "flex", ml: "auto" }}>
          <Box sx={{ whiteSpace: "nowrap" }}>
            <Typography
              sx={{
                fontSize: "12px",
                lineHeight: "14px",
                color: "gray",
              }}
            >
              Мой баланс
            </Typography>
            <Typography
              variant="body2"
              color={"#7e2aea"}
              fontSize={
                isMobile ? (cashString.length > 9 ? "13px" : "16px") : "16px"
              }
            >
              {cashString}
            </Typography>
          </Box>
          <LogoutButton
            onClick={() => {
              navigate("/");
              handleLogoutClick();
            }}
            sx={{
              ml: "20px",
            }}
          />
        </Box>
      </Container>
      <Box
        sx={{
          p: "25px",
          pb: 0,
        }}
      >
        <CollapsiblePromocodeField
          fieldValue={promocodeField}
          onFieldChange={setPromocodeField}
          onPromocodeApply={handleApplyPromocode}
        />
      </Box>
      <Tabs
        names={Object.values(StepperText)}
        items={Object.keys(StepperText)}
        selectedItem={selectedItem}
        setSelectedItem={setSelectedItem}
      />

      <Box
        sx={{
          justifyContent: "left",
          display: selectedItem === "dop" ? "flex" : "grid",
          gap: "40px",
          p: "20px",
          gridTemplateColumns: `repeat(auto-fit, minmax(300px, ${
            isTablet ? "436px" : "360px"
          }))`,
          flexDirection: selectedItem === "dop" ? "column" : undefined,
        }}
      >
        {selectedItem === "day" &&
          createTariffElements(
            filteredBaseTariffs,
            true,
            user,
            discounts,
            openModalHC,
          )}
        {selectedItem === "count" &&
          createTariffElements(
            filteredTariffs,
            true,
            user,
            discounts,
            openModalHC,
          )}
        {selectedItem === "dop" && (
          <>
            <Typography fontWeight={500}>Убрать логотип "PenaQuiz"</Typography>
            <Box
              sx={{
                justifyContent: "left",
                display: "grid",
                gap: "40px",
                gridTemplateColumns: `repeat(auto-fit, minmax(300px, ${
                  isTablet ? "436px" : "360px"
                }))`,
              }}
            >
              {createTariffElements(
                filteredBadgeTariffs,
                false,
                user,
                discounts,
                openModalHC,
              )}
            </Box>
          </>
        )}
      </Box>
      <Modal
        open={Object.values(openModal).length > 0}
        onClose={() => setOpenModal({})}
      >
        <Paper
          sx={{
            position: "absolute" as "absolute",
            top: "50%",
            left: "50%",
            transform: "translate(-50%, -50%)",
            boxShadow: 24,
            p: 4,
            display: "flex",
            justifyContent: "center",
            flexDirection: "column",
          }}
        >
          <Typography
            id="modal-modal-title"
            variant="h6"
            component="h2"
            mb="20px"
          >
            Вы подтверждаете платёж в сумму{" "}
            {openModal.price ? openModal.price.toFixed(2) : 0} ₽
          </Typography>
          <Button variant="contained" onClick={() => tryBuy(openModal)}>
            купить
          </Button>
        </Paper>
      </Modal>
    </>
  );
}

export const Tariffs = withErrorBoundary(TariffPage, {
  fallback: (
    <Typography mt="8px" textAlign="center">
      Ошибка загрузки тарифов
    </Typography>
  ),
  onError: () => {},
});

const LoadingPage = () => (
  <Box
    sx={{
      height: "100vh",
      display: "flex",
      alignItems: "center",
      justifyContent: "center",
    }}
  >
    <Typography sx={{ textAlign: "center" }}>
      {"Подождите, пожалуйста, идёт загрузка"}
    </Typography>
  </Box>
);

export const inCart = () => {
  let saveCart = JSON.parse(localStorage.getItem("saveCart") || "[]");
  if (Array.isArray(saveCart)) {
    saveCart.forEach(async (id: string) => {
      const [_, addError] = await cartApi.add(id);

      if (addError) {
        console.error(addError);
      } else {
        let index = saveCart.indexOf("green");

        if (index !== -1) {
          saveCart.splice(index, 1);
        }

        localStorage.setItem("saveCart", JSON.stringify(saveCart));
      }
    });
  } else {
    localStorage.setItem("saveCart", "[]");
  }
};
const outCart = (cart: string[]) => {
  //Сделаем муторно и подольше, зато при прерывании сессии данные потеряются минимально
  if (cart.length > 0) {
      cart.forEach(async (id: string) => {
    const [_, deleteError] = await cartApi.delete(id);

    if (deleteError) {
      console.error(deleteError);

      return;
    }

    let saveCart = JSON.parse(localStorage.getItem("saveCart") || "[]") || [];
    if (!Array.isArray(saveCart)) saveCart = []
    saveCart = saveCart.push(id);
    localStorage.setItem("saveCart", JSON.stringify(saveCart));
  });
  }

};