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,137,143],
['2日',null,180,152,180],
['3日',191,232,191,null],
['4日',203,219,null,null],
['5日',195,217,195,null],
['6日',203,205,null,null],
['7日',208,207,null,null],
['8日',226,197,null,197],
['9日',218,202,null,null],
['10日',206,192,null,192],
['11日',209,203,null,null],
['12日',210,206,null,null],
['13日',213,209,null,null],
['14日',227,217,null,null],
['15日',215,232,null,null],
['16日',214,219,null,null],
['17日',193,213,193,null],
['18日',197,222,197,null],
['19日',218,215,null,null],
['20日',218,210,null,null],
['21日',221,204,null,null],
['22日',214,206,null,null],
['23日',177,208,177,null],
['24日',null,170,145,170],
['25日',155,null,155,177],
['26日',203,null,null,182],
['27日',217,196,null,196],
['28日',196,211,196,null],
['29日',216,204,null,null],
['30日',216,213,null,null],
['31日',172,null,172,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:250},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)
      }
    });
  }

});