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',295,224,null,null],
['2日',174,168,174,168],
['3日',213,null,null,173],
['4日',218,199,null,199],
['5日',88,237,88,null],
['6日',null,299,124,null],
['7日',null,252,153,null],
['8日',198,223,198,null],
['9日',211,311,null,null],
['10日',234,85,null,85],
['11日',237,142,null,142],
['12日',67,230,67,null],
['13日',null,231,108,null],
['14日',156,328,156,null],
['15日',241,382,null,null],
['16日',145,415,145,null],
['17日',180,100,180,100],
['18日',227,null,null,null],
['19日',77,null,77,null],
['20日',null,null,120,null],
['21日',160,null,160,null],
['22日',214,null,null,null],
['23日',205,null,null,null],
['24日',235,null,null,null],
['25日',296,null,null,null],
['26日',47,null,47,null],
['27日',null,null,62,null],
['28日',null,null,116,null],
['29日',184,null,184,null],
['30日',237,null,null,null],
['31日',null,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5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=17 -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)
      }
    });
  }

});