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,45],
['2日',null,null,null,94],
['3日',null,null,null,110],
['4日',188,null,188,124],
['5日',239,null,null,144],
['6日',277,null,null,149],
['7日',313,null,null,117],
['8日',352,null,null,115],
['9日',302,null,null,151],
['10日',265,null,null,130],
['11日',252,null,null,110],
['12日',300,null,null,140],
['13日',338,null,null,167],
['14日',308,null,null,139],
['15日',157,null,157,129],
['16日',null,null,154,161],
['17日',null,185,154,185],
['18日',141,202,141,null],
['19日',204,98,null,98],
['20日',247,null,null,101],
['21日',265,null,null,105],
['22日',310,null,null,108],
['23日',333,null,null,138],
['24日',240,null,null,174],
['25日',241,null,null,179],
['26日',292,194,null,194],
['27日',285,243,null,null],
['28日',323,244,null,null],
['29日',23,209,23,null],
['30日',null,239,23,null],
['31日',null,null,34,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:400},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)
      }
    });
  }

});