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,206,null,null],
['2日',133,200,133,200],
['3日',null,148,119,148],
['4日',null,215,126,null],
['5日',null,159,156,159],
['6日',null,215,155,null],
['7日',191,151,191,151],
['8日',212,220,null,null],
['9日',162,130,162,130],
['10日',null,null,148,196],
['11日',166,152,166,152],
['12日',220,211,null,null],
['13日',88,122,88,122],
['14日',null,null,132,65],
['15日',140,null,140,84],
['16日',204,null,null,137],
['17日',152,null,152,101],
['18日',170,null,170,116],
['19日',235,null,null,132],
['20日',236,null,null,121],
['21日',203,null,null,116],
['22日',223,null,null,176],
['23日',213,null,null,188],
['24日',216,null,null,124],
['25日',177,null,177,139],
['26日',216,null,null,125],
['27日',216,173,null,173],
['28日',148,206,148,null],
['29日',null,213,135,null],
['30日',null,217,147,null],
['31日',null,null,195,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)
      }
    });
  }

});