import GraphBase from "../../../Common/GraphBase";
import ReactECharts from "echarts-for-react";
// import getOptions from "../../../../hooks/getChartOption";
import { useSelector } from "react-redux";
import { useState } from "react";
import * as echarts from "echarts";
import dayjs from "dayjs";

function getTimeStr(period) {
  return {
    日:
      dayjs().format("YYYY.MM.DD") +
      " 7点 - " +
      dayjs().add(1, 'd').format("YYYY.MM.DD") +
      " 7点",
    年:
      dayjs().subtract(1, "year").endOf("year").format("YYYY.MM.") +
      "29 - " +
      dayjs().endOf("year").format("YYYY.MM.") +
      "28",
    周:
      dayjs().subtract(7, "day").format("YYYY.MM.DD") +
      " - " +
      dayjs().subtract(1, "day").format("YYYY.MM.DD"),
    月:
      dayjs().subtract(1, "month").format("YYYY.MM.") +
      "29 - " +
      dayjs().format("YYYY.MM.") +
      "28",
  }[period];
}

function Dust(props) {
  const dayTrend = useSelector((state) => state.smoke?.dayTrend);
  const weekTrend = useSelector((state) => state.smoke?.weekTrend);
  const monthTrend = useSelector((state) => state.smoke?.monthTrend);
  const yearTrend = useSelector((state) => state.smoke?.yearTrend);
  const [period, setPeriod] = useState("日");

  let timestr = getTimeStr(period);
  const currentTrend =
    period === "日"
      ? dayTrend
      : period === "周"
      ? weekTrend
      : period === "月"
      ? monthTrend
      : yearTrend;

  const options = getOptions("dust_float", period, currentTrend);

  function handleSwitch(v) {}

  function handleDateChange(value) {
    setPeriod(value);
    timestr = getTimeStr(value);
  }

  return (
    <GraphBase
      icon="smoke"
      title="颗粒物"
      desc={`烟气趋势图  ${timestr}`}
      switchOptions={false}
      defaultSelect={period}
      onSwitch={handleSwitch}
      dateOptions={["日", "周", "月", "年"]}
      onDateChange={handleDateChange}
      size={["long", "middle"]}
    >
      {options && (
        <ReactECharts
          key={Math.random()}
          option={options}
          style={{ height: "100%" }}
        />
      )}
      {!options && (
        <p
          style={{
            color: "#cccf",
            fontSize: "24px",
            userSelect: "none",
            textAlign: "center",
            paddingTop: "96px",
          }}
        >
          暂无数据
        </p>
      )}
    </GraphBase>
  );
}

export default Dust;

function getOptions(source, period, trend) {
  if (
    trend[source].length == 0 ||
    trend[source].filter((item) => item.value).length == 0
  )
    return null;
  return {
    color: ["#FFD160", "#12FFF5", "#2760FF"],
    grid: { top: 40, right: 12, bottom: 20, left: 64 },
    xAxis: {
      type: "category",
      data: trend[source].map((item) => item.time),
      axisLabel: {
        color: "#fff",
        fontSize: 12,
      },
      axisTick: { show: false },
      axisLine: {
        lineStyle: {
          width: 1,
          color: "#213259",
        },
      },
    },
    yAxis: {
      name: "单位mg/m³",
      nameTextStyle: {
        color: "#fff",
        fontSize: 12,
        align: "right",
      },
      type: "value",
      axisLabel: {
        color: "#fff",
        fontSize: 12,
        formatter: "{value}",
      },
      axisLine: {
        show: true,
        lineStyle: {
          color: "#213259",
        },
      },
      splitLine: {
        lineStyle: {
          color: "#213259a0",
        },
      },
    },
    series: [
      {
        data: trend[source].map((item) =>
          !(item.value == null || isNaN(+item.value))
            ? (+item.value).toFixed(2)
            : null
        ),
        type: "line",
        symbol: "circle",
        symbolSize: 6,
        areaStyle: {
          color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
            { offset: 0, color: "#FFD16040" },
            { offset: 0.5, color: "#FFD16020" },
            { offset: 1, color: "#FFD16010" },
          ]),
        },
      },
    ],
    tooltip: {
      trigger: "axis",
      axisPointer: {
        type: "shadow",
      },
      className: "xc-chart-tooltip",
    },
  };
}