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,39],
['2日',102,null,102,107],
['3日',null,178,78,178],
['4日',null,239,101,null],
['5日',null,156,101,156],
['6日',null,209,138,null],
['7日',null,186,169,186],
['8日',120,187,120,187],
['9日',217,235,null,null],
['10日',188,276,188,null],
['11日',null,250,187,null],
['12日',null,317,197,null],
['13日',169,341,169,null],
['14日',240,121,null,121],
['15日',224,139,null,139],
['16日',236,229,null,null],
['17日',62,319,62,null],
['18日',null,405,71,null],
['19日',null,103,106,103],
['20日',null,null,150,131],
['21日',null,156,145,156],
['22日',null,240,56,null],
['23日',null,211,87,null],
['24日',null,256,56,null],
['25日',null,198,88,198],
['26日',null,225,127,null],
['27日',194,246,194,null],
['28日',217,211,null,null],
['29日',43,199,43,199],
['30日',null,212,38,null],
['31日',null,null,77,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=2;

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

});