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,273,135,null],
['2日',null,285,116,null],
['3日',175,308,175,null],
['4日',239,288,null,null],
['5日',308,148,null,148],
['6日',298,null,null,148],
['7日',218,137,null,137],
['8日',148,207,148,null],
['9日',211,289,null,null],
['10日',262,332,null,null],
['11日',372,211,null,null],
['12日',528,140,null,140],
['13日',242,null,null,113],
['14日',161,189,161,189],
['15日',175,220,175,null],
['16日',207,269,null,null],
['17日',308,353,null,null],
['18日',384,null,null,null],
['19日',406,null,null,null],
['20日',230,null,null,null],
['21日',203,null,null,null],
['22日',204,null,null,null],
['23日',296,null,null,null],
['24日',276,null,null,null],
['25日',395,null,null,null],
['26日',469,null,null,null],
['27日',297,null,null,null],
['28日',116,null,116,null],
['29日',159,null,159,null],
['30日',213,null,null,null],
['31日',null,null,null,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5月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:600},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=17 -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)
      }
    });
  }

});