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,123,141],
['2日',null,null,91,82],
['3日',153,151,153,151],
['4日',206,201,null,null],
['5日',285,205,null,null],
['6日',131,213,131,null],
['7日',149,175,149,175],
['8日',201,208,null,null],
['9日',94,240,94,null],
['10日',171,245,171,null],
['11日',204,275,null,null],
['12日',173,324,173,null],
['13日',222,35,null,35],
['14日',68,null,68,30],
['15日',null,null,106,59],
['16日',null,null,73,64],
['17日',null,null,93,75],
['18日',null,null,131,116],
['19日',null,null,177,173],
['20日',null,null,111,111],
['21日',null,103,127,103],
['22日',null,203,103,null],
['23日',null,209,75,null],
['24日',null,128,91,128],
['25日',null,null,69,97],
['26日',null,null,98,108],
['27日',null,171,126,171],
['28日',null,211,122,null],
['29日',null,280,188,null],
['30日',null,171,162,171],
['31日',null,null,151,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:350},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)
      }
    });
  }

});