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,null,118,137],
['2日',168,null,168,85],
['3日',222,null,null,139],
['4日',268,171,null,171],
['5日',313,242,null,null],
['6日',277,260,null,null],
['7日',294,288,null,null],
['8日',347,327,null,null],
['9日',335,342,null,null],
['10日',349,330,null,null],
['11日',120,356,120,null],
['12日',156,129,156,129],
['13日',248,217,null,null],
['14日',327,260,null,null],
['15日',412,316,null,null],
['16日',412,174,null,174],
['17日',418,null,null,89],
['18日',234,null,null,117],
['19日',75,null,75,83],
['20日',null,148,123,148],
['21日',191,211,191,null],
['22日',272,244,null,null],
['23日',217,269,null,null],
['24日',192,282,192,null],
['25日',null,158,170,158],
['26日',151,183,151,183],
['27日',203,222,null,null],
['28日',132,263,132,null],
['29日',null,281,59,null],
['30日',null,194,88,194],
['31日',null,null,116,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=4;

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

});