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,185,98],
['2日',null,null,78,116],
['3日',null,null,59,110],
['4日',null,null,46,83],
['5日',null,null,46,109],
['6日',null,null,37,102],
['7日',null,null,82,74],
['8日',170,null,170,81],
['9日',234,null,null,97],
['10日',153,null,153,90],
['11日',null,null,160,104],
['12日',null,137,171,137],
['13日',null,211,174,null],
['14日',null,90,126,90],
['15日',null,null,148,108],
['16日',null,null,142,77],
['17日',null,null,142,68],
['18日',null,null,111,58],
['19日',null,null,109,73],
['20日',null,null,148,63],
['21日',null,null,175,69],
['22日',158,null,158,90],
['23日',206,null,null,105],
['24日',222,null,null,133],
['25日',188,161,188,161],
['26日',204,213,null,null],
['27日',238,171,null,171],
['28日',89,199,89,199],
['29日',null,214,92,null],
['30日',null,261,87,null],
['31日',null,null,106,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)
      }
    });
  }

});