<template>
  <div>
    <div id="chart">
      <apexchart
        type="line"
        height="350"
        :options="chartOptions"
        :series="series"
      ></apexchart>
    </div>
  </div>
</template>

<script>
import VueApexCharts from 'vue-apexcharts'

export default {
  components: {
    apexchart: VueApexCharts,
  },
  data: function () {
    return {
      series: [
        {
          name: 'Setpoint',
          data: [16, 16, 18, 21, 21, 19, 19, 22, 22, 18, 16],
        },
      ],
      chartOptions: {
        chart: {
          type: 'line',
          height: 350,
        },
        stroke: {
          curve: 'stepline',
        },
        dataLabels: {
          enabled: false,
        },
        title: {
          text: 'Thermostat Setpoint',
          align: 'left',
        },
        subtitle: {
          text: "curve: 'stepline' holds each value until the next point",
          align: 'left',
        },
        xaxis: {
          categories: [
            '00:00',
            '02:00',
            '04:00',
            '06:00',
            '08:00',
            '10:00',
            '12:00',
            '14:00',
            '16:00',
            '18:00',
            '20:00',
          ],
        },
        yaxis: {
          labels: {
            formatter: function (val) {
              return val + '°C'
            },
          },
        },
        markers: {
          hover: {
            sizeOffset: 4,
          },
        },
      },
    }
  },
}
</script>

<style>
#chart {
  max-width: 650px;
  margin: 35px auto;
}
</style>