function generateDayWiseTimeSeries(s: number, count: number) {
  const values = [
    [4, 3, 10, 9, 29, 19, 25, 9, 12, 7, 19, 5, 13, 9, 17, 2, 7, 5],
    [2, 3, 8, 7, 22, 16, 23, 7, 11, 5, 12, 5, 10, 4, 15, 2, 6, 2],
  ]
  let i = 0
  const series = []
  let x = new Date('11 Nov 2020').getTime()
  while (i < count) {
    series.push([x, values[s][i]])
    x += 86400000
    i++
  }
  return series
}

export function useExpensesAreaChart() {
  const themeColors = useThemeColors()
  const expensesOptions = {
    chart: {
      type: 'area',
      height: 220,
      foreColor: '#999',
      stacked: true,
      toolbar: {
        show: false,
      },
      dropShadow: {
        enabled: true,
        enabledSeries: [0],
        top: -2,
        left: 2,
        blur: 5,
        opacity: 0.06,
      },
    },
    colors: [themeColors.lime, themeColors.purple, themeColors.orange],
    stroke: {
      curve: 'smooth',
      width: 3,
    },
    title: {
      text: '',
      align: 'left',
    },
    dataLabels: {
      enabled: false,
    },
    series: [
      {
        name: 'Cash Expenses',
        data: generateDayWiseTimeSeries(0, 18),
      },
      {
        name: 'Card Expenses',
        data: generateDayWiseTimeSeries(1, 18),
      },
    ],
    markers: {
      size: 0,
      strokeColor: '#fff',
      strokeWidth: 3,
      strokeOpacity: 1,
      fillOpacity: 1,
      hover: {
        size: 6,
      },
    },
    xaxis: {
      type: 'datetime',
      axisBorder: {
        show: false,
      },
      axisTicks: {
        show: false,
      },
    },
    yaxis: {
      labels: {
        offsetX: 0,
        offsetY: -5,
      },
      tooltip: {
        enabled: true,
      },
    },
    grid: {
      show: false,
      padding: {
        left: -5,
        right: 5,
      },
    },
    tooltip: {
      x: {
        format: 'dd MMM yyyy',
      },
    },
    legend: {
      position: 'top',
      horizontalAlign: 'left',
    },
    fill: {
      type: 'solid',
      fillOpacity: 0.7,
    },
  }

  return {
    expensesOptions,
  }
}