function generateDayWiseTimeSeries(
  baseval: number,
  count: number,
  yrange: { min: number, max: number },
) {
  let i = 0
  const series = []
  while (i < count) {
    const y = Math.floor(Math.random() * (yrange.max - yrange.min + 1)) + yrange.min

    series.push([baseval, y])
    baseval += 86400000
    i++
  }
  return series
}

export function useEnergyChart() {
  const themeColors = useThemeColors()
  const energyChartOptions = shallowRef({
    series: [
      {
        name: 'Tonic',
        data: generateDayWiseTimeSeries(new Date('Oct 11 2020 GMT').getTime(), 20, {
          min: 10,
          max: 60,
        }),
      },
      {
        name: 'Tantra',
        data: generateDayWiseTimeSeries(new Date('Oct 11 2020 GMT').getTime(), 20, {
          min: 10,
          max: 60,
        }),
      },
      {
        name: 'Vital',
        data: generateDayWiseTimeSeries(new Date('Oct 11 2020 GMT').getTime(), 30, {
          min: 10,
          max: 60,
        }),
      },
    ],
    chart: {
      height: 280,
      type: 'scatter',
      zoom: {
        type: 'xy',
      },
      toolbar: {
        show: false,
      },
    },
    colors: [themeColors.purple, themeColors.lime, themeColors.purple],
    dataLabels: {
      enabled: false,
      show: false,
    },
    grid: {
      show: false,
      xaxis: {
        lines: {
          show: false,
        },
      },
      yaxis: {
        lines: {
          show: false,
        },
      },
    },
    xaxis: {
      show: false,
      type: 'datetime',
    },
    yaxis: {
      show: false,
      max: 70,
    },
    legend: {
      show: false,
      position: 'top',
      horizontalAlign: 'center',
    },
  })

  return {
    energyChartOptions,
  }
}