import { useEffect, useState } from "react";
import { Box, Paper, Typography, useMediaQuery, useTheme } from "@mui/material";
import { LineChart } from "@mui/x-charts";
import { enqueueSnackbar } from "notistack";

import { getGeneral } from "@api/statistic";

import type { GeneralResponse } from "@api/statistic";

type GeneralProps = {
  title: string;
  general: Record<string, number>;
  color: string;
  numberType: "sum" | "percent";
};

const COLORS: Record<number, string> = {
  0: "#61BB1A",
  1: "#7E2AEA",
  2: "#FB5607",
  3: "#0886FB",
};

const GENERAL_MOCK: GeneralResponse = {
  open: { 100: 20, 50: 10, 60: 5 },
  result: { 100: 90, 10: 3, 50: 48 },
  avtime: { 100: 0, 2000: 550, 60: 0 },
  conversation: { 100: 50, 1000: 50, 10000: 50 },
};

const GeneralItem = ({ title, general, color, numberType }: GeneralProps) => {
  const theme = useTheme();
  const isMobile = useMediaQuery(theme.breakpoints.down(700));

  const numberValue =
    numberType === "sum"
      ? Object.values(general).reduce((total, item) => total + item, 0)
      : Object.entries(general).reduce(
          (total, [key, value]) => total + (value / Number(key)) * 100,
          0,
        ) / Object.keys(general).length;

  return (
    <Paper
      sx={{
        overflow: "hidden",
        borderRadius: "12px",
        boxShadow: "0 0 20px rgba(0, 0, 0, 0.15)",
      }}
    >
      <Typography sx={{ margin: "20px 20px 0" }}>{title}</Typography>
      <Typography sx={{ margin: "10px 20px 0", fontWeight: "bold" }}>
        {numberType === "sum" ? numberValue : `${numberValue.toFixed()}%`}
      </Typography>
      <LineChart
        xAxis={[{ data: Object.keys(general) }]}
        series={[{ data: Object.values(general) }]}
        height={220}
        colors={[color]}
        sx={{
          transform: isMobile ? "scale(1.1)" : "scale(1.2)",
          "& .MuiChartsAxis-tickContainer": { display: "none" },
        }}
      />
    </Paper>
  );
};

export const General = () => {
  const [general, setGeneral] = useState<GeneralResponse>(GENERAL_MOCK);
  const theme = useTheme();
  const isTablet = useMediaQuery(theme.breakpoints.down(1000));
  const isMobile = useMediaQuery(theme.breakpoints.down(700));

  useEffect(() => {
    const requestGeneral = async () => {
      const [generalResponse, generalError] = await getGeneral("14761");

      if (generalError) {
        enqueueSnackbar(generalError);

        return;
      }

      if (!generalResponse) {
        enqueueSnackbar("Список девайсов пуст.");

        return;
      }

      setGeneral(generalResponse);
    };

    // requestGeneral();
  }, []);

  return (
    <Box sx={{ marginTop: "45px" }}>
      <Typography
        component="h3"
        sx={{
          fontSize: "24px",
          fontWeight: "bold",
          color: theme.palette.text.primary,
        }}
      >
        Ключевые метрики
      </Typography>
      <Box
        sx={{
          display: "grid",
          gridTemplateColumns: isTablet
            ? isMobile
              ? "1fr"
              : "1fr 1fr"
            : "1fr 1fr 1fr",
          gap: "20px",
          marginTop: "40px",
        }}
      >
        <GeneralItem
          title="Открыли квиз"
          numberType="sum"
          general={general.open}
          color={COLORS[0]}
        />
        <GeneralItem
          title="Получено заявок"
          numberType="sum"
          general={general.result}
          color={COLORS[1]}
        />
        <GeneralItem
          title="Конверсия"
          numberType="percent"
          general={general.conversation}
          color={COLORS[2]}
        />
        <GeneralItem
          title="Среднее время прохождения квиза"
          numberType="percent"
          general={general.avtime}
          color={COLORS[3]}
        />
      </Box>
    </Box>
  );
};