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,273,null,null],
['2日',null,212,null,null],
['3日',null,221,null,null],
['4日',null,165,null,165],
['5日',392,201,null,null],
['6日',242,204,null,null],
['7日',187,153,187,153],
['8日',null,205,147,null],
['9日',180,155,180,155],
['10日',222,201,null,null],
['11日',286,220,null,null],
['12日',177,139,177,139],
['13日',180,null,180,192],
['14日',281,146,null,146],
['15日',373,215,null,null],
['16日',299,182,null,182],
['17日',278,null,null,177],
['18日',382,122,null,122],
['19日',388,208,null,null],
['20日',303,190,null,190],
['21日',236,225,null,null],
['22日',152,218,152,null],
['23日',158,335,158,null],
['24日',208,287,null,null],
['25日',173,249,173,null],
['26日',202,376,null,null],
['27日',163,365,163,null],
['28日',253,269,null,null],
['29日',228,264,null,null],
['30日',239,308,null,null],
['31日',379,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: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)
      }
    });
  }

});