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',217,null,null,137],
['2日',193,131,193,131],
['3日',null,205,160,null],
['4日',165,203,165,null],
['5日',204,190,null,190],
['6日',162,null,162,120],
['7日',null,null,156,120],
['8日',null,129,143,129],
['9日',null,217,90,null],
['10日',null,152,124,152],
['11日',149,null,149,159],
['12日',206,null,null,183],
['13日',209,null,null,171],
['14日',173,null,173,171],
['15日',null,null,139,195],
['16日',null,199,184,199],
['17日',null,224,135,null],
['18日',null,201,126,null],
['19日',null,204,187,null],
['20日',null,213,173,null],
['21日',185,172,185,172],
['22日',227,null,null,146],
['23日',213,null,null,176],
['24日',165,null,165,176],
['25日',null,170,188,170],
['26日',null,244,199,null],
['27日',175,230,175,null],
['28日',216,198,null,198],
['29日',183,228,183,null],
['30日',null,251,183,null],
['31日',null,null,158,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)
      }
    });
  }

});