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',224,332,null,null],
['2日',310,351,null,null],
['3日',273,133,null,133],
['4日',305,193,null,193],
['5日',334,249,null,null],
['6日',261,277,null,null],
['7日',282,307,null,null],
['8日',360,316,null,null],
['9日',288,351,null,null],
['10日',298,234,null,null],
['11日',325,266,null,null],
['12日',351,275,null,null],
['13日',293,337,null,null],
['14日',366,389,null,null],
['15日',469,378,null,null],
['16日',470,372,null,null],
['17日',433,230,null,null],
['18日',421,271,null,null],
['19日',431,258,null,null],
['20日',355,325,null,null],
['21日',400,320,null,null],
['22日',479,360,null,null],
['23日',460,337,null,null],
['24日',382,223,null,null],
['25日',425,280,null,null],
['26日',412,372,null,null],
['27日',38,329,38,null],
['28日',null,280,89,null],
['29日',173,291,173,null],
['30日',236,282,null,null],
['31日',280,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4月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:500},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)
      }
    });
  }

});