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,206,null,null],
['2日',null,225,null,null],
['3日',null,212,null,null],
['4日',null,202,null,null],
['5日',201,219,null,null],
['6日',217,264,null,null],
['7日',155,222,155,null],
['8日',null,180,114,180],
['9日',null,219,160,null],
['10日',null,242,163,null],
['11日',161,234,161,null],
['12日',209,261,null,null],
['13日',226,277,null,null],
['14日',234,290,null,null],
['15日',220,276,null,null],
['16日',232,285,null,null],
['17日',248,282,null,null],
['18日',180,288,180,null],
['19日',177,151,177,151],
['20日',216,205,null,null],
['21日',235,223,null,null],
['22日',251,221,null,null],
['23日',260,247,null,null],
['24日',256,258,null,null],
['25日',189,264,189,null],
['26日',195,271,195,null],
['27日',214,252,null,null],
['28日',237,258,null,null],
['29日',266,264,null,null],
['30日',287,267,null,null],
['31日',212,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: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)
      }
    });
  }

});