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,null,196],
['2日',null,null,null,170],
['3日',247,null,null,140],
['4日',221,null,null,187],
['5日',209,null,null,128],
['6日',158,177,158,177],
['7日',null,218,179,null],
['8日',null,212,171,null],
['9日',172,185,172,185],
['10日',225,null,null,193],
['11日',178,null,178,166],
['12日',178,null,178,132],
['13日',202,null,null,152],
['14日',159,null,159,181],
['15日',null,null,170,189],
['16日',null,null,155,163],
['17日',null,null,188,151],
['18日',null,null,172,173],
['19日',null,null,177,151],
['20日',null,null,196,152],
['21日',195,null,195,143],
['22日',201,null,null,182],
['23日',150,198,150,198],
['24日',190,211,190,null],
['25日',220,201,null,null],
['26日',155,169,155,169],
['27日',null,null,162,142],
['28日',null,null,150,166],
['29日',null,null,188,173],
['30日',168,139,168,139],
['31日',204,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: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=4;

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

});