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',206,null,null,173],
['2日',82,null,82,79],
['3日',null,null,93,112],
['4日',null,null,115,131],
['5日',null,null,138,172],
['6日',null,null,189,116],
['7日',null,null,176,138],
['8日',null,null,161,155],
['9日',null,179,159,179],
['10日',null,201,158,null],
['11日',null,201,170,null],
['12日',null,222,167,null],
['13日',200,136,200,136],
['14日',202,null,null,151],
['15日',203,null,null,137],
['16日',185,167,185,167],
['17日',205,201,null,null],
['18日',173,171,173,171],
['19日',195,null,195,199],
['20日',201,162,null,162],
['21日',207,202,null,null],
['22日',211,199,null,199],
['23日',204,null,null,189],
['24日',158,null,158,170],
['25日',null,null,190,170],
['26日',null,null,176,165],
['27日',null,null,188,110],
['28日',null,null,191,168],
['29日',null,195,189,195],
['30日',null,204,169,null],
['31日',null,null,177,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)
      }
    });
  }

});