google.load('visualization', '1.0', {'packages':['corechart']});
google.setOnLoadCallback(function(){
  var data = new google.visualization.DataTable();
       data.addColumn('string', '日');
       data.addColumn('number', '推測');
       data.addColumn('number', '推測');
       data.addColumn('number', 'iOS前月');
       data.addColumn('number', 'iOS当月');
       data.addRows([
        ['1日',null,null,137,116],
['2日',200,null,200,105],
['3日',233,null,null,118],
['4日',171,null,171,168],
['5日',null,null,183,127],
['6日',null,null,171,125],
['7日',null,null,187,123],
['8日',125,null,125,159],
['9日',203,null,null,109],
['10日',215,null,null,138],
['11日',156,null,156,141],
['12日',null,null,144,105],
['13日',null,null,102,183],
['14日',null,null,149,125],
['15日',null,null,173,164],
['16日',null,null,118,166],
['17日',null,null,120,169],
['18日',null,200,198,200],
['19日',181,244,181,null],
['20日',227,210,null,null],
['21日',202,106,null,106],
['22日',211,null,null,117],
['23日',186,null,186,49],
['24日',215,null,null,58],
['25日',114,null,114,87],
['26日',null,160,99,160],
['27日',null,225,109,null],
['28日',null,190,102,190],
['29日',null,217,89,null],
['30日',null,254,120,null],
['31日',null,null,167,null]
        ]);
  var options = {
    chartArea: {'width':'85%', 'height':'65%', 'left':60 },
    'pointSize': 3,
    hAxis: { titleTextStyle:{italic:false}, format:'#',ticks: [1,5,10,15,20,25,30] },
    vAxis: { title:'2024年4月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:300},direction:-1 },
    legend: {position: 'top' },
    tooltip: { trigger: 'both' },
    focusTarget: 'category',
    colors:['skyblue','pink','#2980b9','#e74c3c']
  };

  var chart = new google.visualization.LineChart(document.getElementById('graphField'));
  chart.draw(data, options);

  var lastlogday=30 -1 ;
  var lastlogcat=2;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});