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,null,181],
['2日',null,null,null,161],
['3日',null,null,null,54],
['4日',null,null,null,80],
['5日',null,null,null,134],
['6日',null,null,null,199],
['7日',180,198,180,198],
['8日',202,213,null,null],
['9日',212,255,null,null],
['10日',210,273,null,null],
['11日',209,281,null,null],
['12日',204,197,null,197],
['13日',22,null,22,25],
['14日',null,null,49,45],
['15日',null,null,89,76],
['16日',null,null,143,129],
['17日',null,151,144,151],
['18日',171,211,171,null],
['19日',216,226,null,null],
['20日',226,227,null,null],
['21日',221,222,null,null],
['22日',237,203,null,null],
['23日',31,36,31,36],
['24日',null,null,30,59],
['25日',null,null,50,110],
['26日',null,197,77,197],
['27日',null,235,98,null],
['28日',null,255,131,null],
['29日',181,258,181,null],
['30日',202,217,null,null],
['31日',169,null,169,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)
      }
    });
  }

});