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', 'iOS前月');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addColumn('number', 'iOS当月');
       data.addColumn({type:'string', role:'annotation'});
       data.addColumn({type:'string', role:'annotationText'});
       data.addRows([
        ['1日',null,null,null,null,null,null,293,'UP!','1.5Year Anniversary 幻想祭宴ガチャ: 01/01 → 01/15',479,'UP!','とある恋色の猫耳奉仕ステップアップガチャ: 02/01 → 02/14'],
['2日',null,null,null,null,null,null,78,null,null,102,null,null],
['3日',null,null,null,null,null,null,93,null,null,132,null,null],
['4日',null,null,null,null,null,null,109,null,null,181,null,null],
['5日',null,null,null,null,null,null,84,null,null,204,null,null],
['6日',null,null,null,null,null,null,97,null,null,272,null,null],
['7日',null,null,null,null,null,null,132,null,null,303,null,null],
['8日',null,null,null,null,null,null,141,null,null,336,null,null],
['9日',null,null,null,null,null,null,170,null,null,390,null,null],
['10日',null,null,null,null,null,null,155,null,null,356,null,null],
['11日',null,null,null,null,null,null,146,null,null,426,null,null],
['12日',null,null,null,null,null,null,162,null,null,363,'UP!','とある王女の宮廷茶会ガチャ: 02/12 → 02/20'],
['13日',null,null,null,null,null,null,191,null,null,146,null,null],
['14日',null,null,null,null,null,null,179,null,null,170,null,null],
['15日',null,null,null,null,null,null,155,'UP!','とある五和の恋愛抱負ガチャ: 01/15 → 01/23',168,null,null],
['16日',null,null,null,null,null,null,79,null,null,246,null,null],
['17日',null,null,null,null,null,null,151,null,null,318,null,null],
['18日',null,null,null,null,null,null,236,null,null,370,null,null],
['19日',null,null,null,null,null,null,312,null,null,431,'UP!','新キャラ！ピックアップガチャ: 02/19 → 02/28'],
['20日',null,null,null,null,null,null,421,null,null,147,null,null],
['21日',null,null,null,null,null,null,471,null,null,184,null,null],
['22日',null,null,null,null,null,null,477,null,null,289,null,null],
['23日',null,null,null,null,null,null,410,'UP!','新キャラ！ピックアップガチャ: 01/23 → 01/31',343,null,null],
['24日',null,null,null,null,null,null,148,null,null,399,null,null],
['25日',null,null,null,null,null,null,228,null,null,422,null,null],
['26日',null,null,null,null,null,null,341,null,null,455,null,null],
['27日',null,null,null,null,null,null,502,null,null,444,null,null],
['28日',null,null,null,null,null,null,508,null,null,399,null,null],
['29日',null,null,null,null,null,null,621,null,null,null,null,null],
['30日',null,null,null,null,null,null,493,null,null,null,null,null],
['31日',null,null,null,null,null,null,449,null,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:'2021年2月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:700},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=28 -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)
      }
    });
  }

});