import React from 'react'
import ReactApexChart from 'react-apexcharts'
import './styles.css'

// This demo also loads: https://cdn.jsdelivr.net/npm/apexcharts/dist/unit-shapes.js

const ApexChart = () => {
  const [state, setState] = React.useState({
    series: [6200, 2400, 2000, 1000],
    options: {
      chart: {
        type: 'unit',
        height: 470,
        animations: {
          enabled: true,
          speed: 900,
        },
      },
      labels: ['Solar farms', 'Rooftop solar', 'Wind', 'Hydro'],
      colors: ['#FFAB00', '#F2994A', '#00A6A0', '#1565C0'],
      plotOptions: {
        unit: {
          layout: 'custom',
          // One of the shapes in apexcharts/unit-shapes.
          positions: 'sun',
          transition: 'flow',
          unitValue: 20,
          clusterLabels: {
            // Outer labels: each band is named in the margin with a leader line to its
            // own dots, so the crowd reads without a legend.
            external: {
              show: true,
            },
          },
        },
      },
      legend: {
        show: false,
      },
    },
  })

  return (
    <div>
      <div className="wrap">
        <h1>11,600 GWh of renewable electricity, one dot per 20</h1>
        <p>
          A sun built from its own data. The shape is a custom unit layout: a
          function that receives every dot and the plot rect and returns
          positions, so the rays are packed from the outline rather than drawn
          behind the dots.
        </p>

        <div className="chart-wrap">
          <div id="chart">
            <ReactApexChart
              options={state.options}
              series={state.series}
              type="unit"
              height={470}
            />
          </div>
        </div>

        <p className="note">1 dot = 20 GWh</p>
      </div>
    </div>
  )
}

export default ApexChart