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,47,119],
['2日',null,null,83,70],
['3日',null,null,105,106],
['4日',null,null,128,158],
['5日',null,null,148,118],
['6日',null,null,160,171],
['7日',null,192,160,192],
['8日',null,205,123,null],
['9日',159,201,159,null],
['10日',204,159,null,159],
['11日',226,null,null,134],
['12日',233,null,null,187],
['13日',227,null,null,186],
['14日',241,180,null,180],
['15日',238,202,null,null],
['16日',257,201,null,null],
['17日',248,218,null,null],
['18日',251,283,null,null],
['19日',219,286,null,null],
['20日',10,345,10,null],
['21日',null,378,10,null],
['22日',null,341,20,null],
['23日',null,299,32,null],
['24日',null,283,41,null],
['25日',null,344,55,null],
['26日',null,167,77,167],
['27日',null,158,66,158],
['28日',null,209,81,null],
['29日',null,229,100,null],
['30日',null,257,106,null],
['31日',null,null,97,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:400},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)
      }
    });
  }

});