import {Theme} from '@emotion/react';
import {LineChart} from 'echarts/charts';
import * as echarts from 'echarts/core';
import {SVGRenderer} from 'echarts/renderers';
import ReactEChartsCore from 'echarts-for-react/lib/core';
import moment from 'moment';

import MarkLine from 'sentry/components/charts/components/markLine';
import {Series, SeriesDataUnit} from 'sentry/types/echarts';

type SparklineProps = {
  series: Series;
  color?: string | string[];
  markLine?: Series;
  width?: number;
};

export default function Sparkline({series, width, color, markLine}: SparklineProps) {
  echarts.use([LineChart, SVGRenderer]);

  if (!series.data) {
    return null;
  }

  const valueSeries = {
    data: series.data.map(datum => datum.value),
    type: 'line',
    showSymbol: false,
    smooth: true,
  };

  return (
    <ReactEChartsCore
      echarts={echarts}
      option={{
        color,
        series: [valueSeries, markLine],
        xAxis: {
          show: false,
          data: series.data.map(datum => datum.name),
          type: 'category',
        },
        yAxis: {
          show: false,
          type: 'value',
        },
        grid: {
          left: 3,
          top: 3,
          right: 3,
          bottom: 3,
        },
      }}
      notMerge
      style={{
        height: 25,
        width: width ?? 200,
      }}
      lazyUpdate
      theme="theme_name"
    />
  );
}

type MultiSparklineProps = {
  color: string[];
  series: Series[];
  height?: number;
  markLine?: Series;
  width?: number;
};

export function MultiSparkline({
  series,
  markLine,
  width,
  height,
  color,
}: MultiSparklineProps) {
  echarts.use([LineChart, SVGRenderer]);

  function getValueSeries(targetSeries, i) {
    return {
      data: targetSeries.data.map(datum => datum.value),
      type: 'line',
      showSymbol: false,
      smooth: true,
      lineStyle: {color: color[i], width: [1, 2][i]},
      yAxisIndex: i,
    };
  }

  return (
    <ReactEChartsCore
      echarts={echarts}
      option={{
        series: [...series.map((item, index) => getValueSeries(item, index)), markLine],
        xAxis: {
          show: false,
          data: getValueSeries(series[0], 0).data.map(datum => datum.name),
          type: 'category',
        },
        yAxis: [
          {
            show: false,
            type: 'value',
          },
          {
            show: false,
            type: 'value',
          },
        ],
        grid: {
          left: 3,
          top: 3,
          right: 3,
          bottom: 3,
        },
      }}
      notMerge
      style={{
        height: height ?? 25,
        width: width ?? 200,
      }}
      lazyUpdate
      theme="theme_name"
    />
  );
}

export function generateMarkLine(
  title: string,
  position: string,
  data: SeriesDataUnit[],
  theme: Theme
) {
  const index = data.findIndex(item => {
    return (
      Math.abs(moment.duration(moment(item.name).diff(moment(position))).asSeconds()) <
      86400
    );
  });
  return {
    seriesName: title,
    type: 'line',
    color: theme.blue300,
    data: [],
    xAxisIndex: 0,
    yAxisIndex: 0,
    markLine: MarkLine({
      silent: true,
      animation: false,
      lineStyle: {color: theme.blue300, type: 'dotted'},
      data: [
        {
          xAxis: index,
        },
      ],
      label: {
        show: false,
      },
    }),
  };
}

export function generateHorizontalLine(title: string, position: number, theme: Theme) {
  return {
    seriesName: title,
    type: 'line',
    color: theme.blue300,
    data: [],
    xAxisIndex: 0,
    yAxisIndex: 0,
    markLine: MarkLine({
      silent: true,
      animation: false,
      lineStyle: {color: theme.blue300, type: 'dotted'},
      data: [
        {
          yAxis: position,
        },
      ],
      label: {
        show: true,
        position: 'insideStart',
        formatter: title,
      },
    }),
  };
}