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({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', '推測');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', 'Android前月');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', 'Android当月');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addRows([
        ['1日',null,null,null,null,null,null,18,null,null,19,null,null],
['2日',null,null,null,null,null,null,15,null,null,17,null,null],
['3日',null,null,null,null,null,null,8,null,null,4,null,null],
['4日',null,null,null,null,null,null,10,null,null,4,null,null],
['5日',null,null,null,null,null,null,11,null,null,6,null,null],
['6日',null,null,null,null,null,null,11,null,null,6,null,null],
['7日',null,null,null,null,null,null,12,null,null,7,null,null],
['8日',null,null,null,null,null,null,11,null,null,7,null,null],
['9日',null,null,null,null,null,null,19,null,null,7,null,null],
['10日',null,null,null,null,null,null,31,null,null,26,null,null],
['11日',null,null,null,null,null,null,34,'UP!','復刻イベントキャラピックアップ「ルカ」「ナナカ」「エリコ」プライズガチャ: 11/11 → 11/15',30,'UP!','復刻限定キャラピックアップ「チカ（クリスマス）」と「アヤネ（クリスマス）」 プライズガチャ: 12/11 → 12/20'],
['12日',null,null,null,null,null,null,38,null,null,33,null,null],
['13日',null,null,null,null,null,null,45,null,null,33,null,null],
['14日',null,null,null,null,null,null,41,null,null,12,null,null],
['15日',null,null,null,null,null,null,40,'UP!','新キャラ「カヤ」ピックアップガチャ: 11/15 → 11/30',7,null,null],
['16日',null,null,null,null,null,null,44,null,null,7,null,null],
['17日',null,null,null,null,null,null,43,null,null,6,null,null],
['18日',null,null,null,null,null,null,23,null,null,7,null,null],
['19日',null,null,null,null,null,null,18,null,null,7,null,null],
['20日',null,null,null,null,null,null,18,null,null,12,'UP!','新キャラ「イリヤ（クリスマス）」ピックアップガチャ: 12/20 → 12/31'],
['21日',null,null,null,null,null,null,16,null,null,22,null,null],
['22日',null,null,null,null,null,null,13,null,null,25,null,null],
['23日',null,null,null,null,null,null,14,null,null,21,null,null],
['24日',null,null,null,null,null,null,18,null,null,21,null,null],
['25日',null,null,null,null,null,null,34,null,null,16,null,null],
['26日',null,null,null,null,null,null,38,null,null,15,null,null],
['27日',null,null,null,null,null,null,35,null,null,16,null,null],
['28日',null,null,null,null,null,null,31,null,null,16,null,null],
['29日',null,null,null,null,null,null,26,null,null,20,null,null],
['30日',null,null,null,null,null,null,22,'UP!','期間限定キャラ「クリスティーナ（クリスマス）」ピックアップガチャ: 11/30 → 12/11',27,null,null],
['31日',null,null,null,null,null,null,null,null,null,24,'UP!','プリンセスフェスガチャ: 12/31 → 01/03']
        ]);
  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:'2019年12月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:50},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=31 -1 ;
  var lastlogcat=10;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});