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,247,null,null],
['2日',null,346,null,null],
['3日',91,356,91,null],
['4日',162,408,162,null],
['5日',256,193,null,193],
['6日',246,null,null,179],
['7日',208,151,null,151],
['8日',231,234,null,null],
['9日',169,100,169,100],
['10日',171,128,171,128],
['11日',205,205,null,null],
['12日',123,226,123,null],
['13日',null,249,135,null],
['14日',179,228,179,null],
['15日',207,279,null,null],
['16日',155,316,155,null],
['17日',null,304,172,null],
['18日',null,352,167,null],
['19日',151,213,151,null],
['20日',219,215,null,null],
['21日',233,227,null,null],
['22日',332,267,null,null],
['23日',183,212,183,null],
['24日',202,156,null,156],
['25日',221,205,null,null],
['26日',245,208,null,null],
['27日',229,265,null,null],
['28日',264,141,null,141],
['29日',121,205,121,null],
['30日',164,239,164,null],
['31日',202,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: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)
      }
    });
  }

});