(async function() {
  const chartData = {"datasets":[{"label":"Surface Temperature","data":[{"x":0,"y":17.3},{"x":-1,"y":17.3},{"x":-2,"y":17.3},{"x":-3,"y":19.1},{"x":-4,"y":19.1},{"x":-5,"y":20.9},{"x":-6,"y":20.9},{"x":-7,"y":26.3},{"x":-8,"y":24.5},{"x":-9,"y":24.5},{"x":-10,"y":26.3},{"x":-11,"y":28.1},{"x":-12,"y":29.9},{"x":-13,"y":29.9},{"x":-14,"y":29.9},{"x":-15,"y":29.9},{"x":-16,"y":31.7},{"x":-17,"y":31.7},{"x":-18,"y":29.9},{"x":-19,"y":26.3},{"x":-20,"y":31.7},{"x":-21,"y":29.9},{"x":-22,"y":28.1},{"x":-23,"y":26.3}],"backgroundColor":"#CCBB44"},{"label":"Soil Temperature at Ground Surface","data":[{"x":0,"y":22.5},{"x":-1,"y":22},{"x":-2,"y":24.5},{"x":-3,"y":24.7},{"x":-4,"y":24.7},{"x":-5,"y":25.6},{"x":-6,"y":27.2},{"x":-7,"y":29.7},{"x":-8,"y":33.2},{"x":-9,"y":36.8},{"x":-10,"y":39.1},{"x":-11,"y":41.3},{"x":-12,"y":41.6},{"x":-13,"y":41.4},{"x":-14,"y":41.8},{"x":-15,"y":40.7},{"x":-16,"y":40.5},{"x":-17,"y":39.8},{"x":-18,"y":38.4},{"x":-19,"y":33.5},{"x":-20,"y":31.7},{"x":-21,"y":31},{"x":-22,"y":30.5},{"x":-23,"y":29.7}],"backgroundColor":"#BB5566"},{"label":"Soil Temperature At 30 Cm Depth","data":[{"x":0,"y":30.6},{"x":-1,"y":30.6},{"x":-2,"y":30.6},{"x":-3,"y":30.6},{"x":-4,"y":30.6},{"x":-5,"y":30.6},{"x":-6,"y":30.6},{"x":-7,"y":30.6},{"x":-8,"y":30.6},{"x":-9,"y":30.6},{"x":-10,"y":30.6},{"x":-11,"y":30.6},{"x":-12,"y":30.6},{"x":-13,"y":30.6},{"x":-14,"y":30.6},{"x":-15,"y":30.6},{"x":-16,"y":30.6},{"x":-17,"y":30.6},{"x":-18,"y":30.6},{"x":-19,"y":30.6},{"x":-20,"y":30.6},{"x":-21,"y":30.6},{"x":-22,"y":30.6},{"x":-23,"y":30.6}],"backgroundColor":"#004488"}]}
  
  ctx = document.getElementById('groundTemp').getContext('2d');
  chart = new Chart(ctx, {
    type: 'scatter',
    data: chartData,
    showLine: true,
    options: {
      scales: {
        x: {
          title: {
            display: true,
            text: 'Hours',
            font: {
              size: 16
            },
          }
        },
        y: {
          title: {
            display: true,
            text: '°F',
            font: {
              size: 16
            },
          },
              
        }
      }
    }
  })
  if(chartData.datasets[0].data.length === 0) {
    const width = chart.width
    const height = chart.height
    const chart_ctx = chart.ctx;
    var fontSize = (height / 114).toFixed(2);
    chart_ctx.font = fontSize + "em sans-serif";
    chart_ctx.fillStyle = "red";
    chart_ctx.textBaseline = "middle";

    var text = 'No Data',
        textX = Math.round((width - ctx.measureText(text).width) / 2),
        textY = height / 2;

    ctx.fillText(text, textX, textY);
  }
})();