import SectionWrapper from "@components/SectionWrapper";
import {
  Tariff,
  calcTariffPrice,
  getMessageFromFetchError,
} from "@frontend/kitui";
import ArrowBackIcon from "@mui/icons-material/ArrowBack";
import {
  Box,
  IconButton,
  Typography,
  useMediaQuery,
  useTheme,
} from "@mui/material";
import NumberIcon from "@root/components/NumberIcon";
import { useTariffStore } from "@root/stores/tariffs";
import { addTariffToCart, useUserStore } from "@root/stores/user";
import { currencyFormatter } from "@root/utils/currencyFormatter";
import { handleComponentError } from "@root/utils/handleComponentError";
import { usePrevLocation } from "@root/utils/hooks/handleCustomBackNavigation";
import { useCartTariffs } from "@root/utils/hooks/useCartTariffs";
import { enqueueSnackbar } from "notistack";
import { useState } from "react";
import { withErrorBoundary } from "react-error-boundary";
import { useLocation } from "react-router-dom";
import FreeTariffCard from "./FreeTariffCard";
import TariffCard from "./TariffCard";
import { useDiscounts } from "@root/api/price";
import { Select } from "@components/Select";
import { Tabs } from "@components/Tabs";
import { ModalRequestCreate } from "./ModalRequestCreate";

const subPagesTime = ["Базовый тариф PenaQuiz", 'Убрать логотип "PenaQuiz"'];
const subPagesVolume = ["Заявки квиз", 'Заказать создание квиза'];

const StepperText: Record<string, string> = {
  volume: "Тарифы на объём",
  time: "Тарифы на время",
};

function TariffPage() {
  const theme = useTheme();
  const upMd = useMediaQuery(theme.breakpoints.up("md"));
  const isMobile = useMediaQuery(theme.breakpoints.down(600));
  const isTablet = useMediaQuery(theme.breakpoints.down(1000));
  const location = useLocation();
  const tariffs = useTariffStore((state) => state.tariffs);
  const [selectedItemTime, setSelectedItemTime] = useState<number>(0);
  const [selectedItemVolume, setSelectedItemVolume] = useState<number>(0);
  const [isRequestCreate, setIsRequestCreate] = useState(false);
  const purchasesAmount =
    useUserStore((state) => state.userAccount?.wallet.spent) ?? 0;
  const userId = useUserStore((state) => state.user?._id) ?? "";
  const userPrivilegies = useUserStore(store => store);
  const discounts = useDiscounts(userId);
  const isUserNko =
    useUserStore((state) => state.userAccount?.status) === "nko";
  const currentTariffs = useCartTariffs();

  const handleCustomBackNavigation = usePrevLocation(location);

  const unit: string = String(location.pathname).slice(9);

  function handleTariffItemClick(tariffId: string) {
    addTariffToCart(tariffId)
      .then(() => {
        enqueueSnackbar("Тариф добавлен в корзину");
      })
      .catch((error) => {
        const message = getMessageFromFetchError(error);
        if (message) enqueueSnackbar(message);
      });
  }

  const filteredTariffs = tariffs.filter((tariff) => {
    if (tariff.privileges[0] === undefined || tariff.isDeleted || tariff.isCustom) return false;
    if (unit === "time") {
      if (selectedItemTime === 0 && tariff.privileges[0].privilegeId ===	"quizUnlimTime") return true
      if (selectedItemTime === 1 && tariff.privileges[0].privilegeId === "squizHideBadge") return true
    }
    if (unit === "volume") {
      if (selectedItemVolume === 0 && tariff.privileges[0].privilegeId === "quizCnt") return true
      if (selectedItemVolume === 1 && tariff.privileges[0].privilegeId === "quizManual") return true
    }
    return false;
  });

  const createTariffElements = (
    filteredTariffs: Tariff[],
    addFreeTariff = false
  ) => {
    const tariffElements = filteredTariffs
      .filter((tariff) => tariff.privileges.length > 0)
      .map((tariff, index) => {
        const { priceBeforeDiscounts, priceAfterDiscounts } = calcTariffPrice(
          tariff,
          discounts ?? [],
          purchasesAmount,
          currentTariffs ?? [],
          isUserNko,
          userId
        );

        return (
          <TariffCard
            key={tariff._id}
            discount={
              priceBeforeDiscounts - priceAfterDiscounts
                ? `${(
                    (priceBeforeDiscounts - priceAfterDiscounts) /
                    (priceBeforeDiscounts / 100)
                  ).toFixed(0)}%`
                : ""
            }
            icon={
              <NumberIcon
                number={index + 1}
                color={
                  unit === "time"
                    ? theme.palette.purple.main
                    : theme.palette.orange.main
                }
                backgroundColor={unit === "time" ? "#EEE4FC" : "#FEDFD0"}
              />
            }
            buttonProps={{
              text: "Выбрать",
              onClick: () => handleTariffItemClick(tariff._id),
            }}
            headerText={tariff.name}
            text={tariff.description || ""}
            price={
              <>
                {priceBeforeDiscounts !== priceAfterDiscounts && (
                  <Typography variant="oldPrice">
                    {currencyFormatter.format(
                      Math.trunc(priceBeforeDiscounts) / 100
                    )}
                  </Typography>
                )}
                <Typography variant="price">
                  {currencyFormatter.format(
                    Math.trunc(priceAfterDiscounts) / 100
                  )}
                </Typography>
              </>
            }
          />
        );
      });

    if (addFreeTariff) {
      if (tariffElements.length < 6)
        tariffElements.push(<FreeTariffCard key="free_tariff_card" />);
      else
        tariffElements.splice(5, 0, <FreeTariffCard key="free_tariff_card" />);
    }

    return tariffElements;
  };

  return (
    <SectionWrapper
      maxWidth="lg"
      sx={{
        mt: "20px",
        mb: upMd ? "100px" : "63px",
        px: isTablet ? (isMobile ? "18px" : "40px") : "20px",
        display: "flex",
        flexDirection: "column",
      }}
    >
      <Box sx={{ display: "flex", alignItems: "center" }}>
        {isMobile && (
          <IconButton
            onClick={handleCustomBackNavigation}
            sx={{
              p: 0,
              height: "28px",
              width: "28px",
              color: "black",
              marginRight: "10px",
            }}
          >
            <ArrowBackIcon />
          </IconButton>
        )}
        <Typography
          sx={{
            marginBottom: "23px",
            mt: "20px",
            fontSize: isMobile ? "24px" : "36px",
            fontWeight: "500",
          }}
        >
          {StepperText[unit]}
        </Typography>
      </Box>
      {unit === "time" && (
        <>
          {isMobile ? (
            <Select
              items={subPagesTime}
              selectedItem={selectedItemTime}
              setSelectedItem={setSelectedItemTime}
            />
          ) : (
            <Tabs
              items={subPagesTime}
              selectedItem={selectedItemTime}
              setSelectedItem={setSelectedItemTime}
            />
          )}
        </>
      )}
      {unit === "volume" && (
        <>
          {isMobile ? (
            <Select
              items={subPagesVolume}
              selectedItem={selectedItemVolume}
              setSelectedItem={setSelectedItemVolume}
            />
          ) : (
            <Tabs
              items={subPagesVolume}
              selectedItem={selectedItemVolume}
              setSelectedItem={setSelectedItemVolume}
            />
          )}
        </>
      )}
      <Box
        sx={{
          justifyContent: "left",
          mt: "40px",
          mb: "30px",
          display: "grid",
          gap: "40px",
          gridTemplateColumns: `repeat(auto-fit, minmax(300px, ${
            isTablet ? "436px" : "360px"
          }))`,
        }}
      >
        {createTariffElements(filteredTariffs, true)}
      </Box>
      {/*{recentlyPurchased.length > 0 && (*/}
      {/*  <>*/}
      {/*    <Typography*/}
      {/*      sx={{*/}
      {/*        mt: "40px",*/}
      {/*        fontSize: isMobile ? "24px" : "36px",*/}
      {/*        fontWeight: "500",*/}
      {/*      }}*/}
      {/*    >*/}
      {/*      Ранее вы*/}
      {/*    </Typography>*/}
      {/*    <Slider items={createTariffElements(recentlyPurchased)} />*/}
      {/*  </>*/}
      {/*)}*/}
      <ModalRequestCreate open={isRequestCreate} onClose={() => setIsRequestCreate(false)}/>
    </SectionWrapper>
  );
}

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