import React from 'react';
import Highcharts from 'highcharts';

export default class extends React.Component {

  componentDidMount() {
    this.renderGraph();
  }

  renderGraph = () => {
    let Data = {
      title: { //表頭
        text: '2010 ~ 2016 年太陽能行業就業人員發展情況'
      },
      subtitle: { //副標題
        text: '資料來源：thesolarfoundation.com'
      },
      yAxis: { //y座標
        title: {
          text: '就業人數'
        }
      },
      legend: {
        layout: 'vertical',
        align: 'left',
        verticalAlign: 'middle'
      },
      plotOptions: {
        series: {
          label: {
            connectorAllowed: false
          },
        }
      },
      series: [{ //圖表資料
        name: '安裝，實施人員',
        data: [43934, 52503, 57177, 69658, 97031, 119931, 137133, 154175]
      }, {
        name: '工人',
        data: [24916, 24064, 29742, 29851, 32490, 30282, 38121, 40434]
      }, {
        name: '銷售',
        data: [11744, 17722, 16005, 19771, 20185, 24377, 32147, 39387]
      }, {
        name: '專案開發',
        data: [null, null, 7988, 12169, 15112, 22452, 34400, 34227]
      }, {
        name: '其他',
        data: [12908, 5948, 8105, 11248, 8989, 11816, 18274, 18111]
      }],
      responsive: {
        rules: [{
          condition: {
            maxWidth: 1000
          },
          chartOptions: {
            legend: {
              layout: 'horizontal',
              align: 'center',
              verticalAlign: 'bottom'
            }
          }
        }]
      },
      credits: { //去掉版權logo
        enabled: false
      }
    }

    Highcharts.chart(this.refs.alarmHighChart, Data);
  }

  render() {
    return (
      <div ref="alarmHighChart" />
    );
  }
}