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,218,null,null],
['2日',null,201,null,null],
['3日',null,237,null,null],
['4日',null,246,null,null],
['5日',168,253,168,null],
['6日',210,238,null,null],
['7日',205,239,null,null],
['8日',198,248,198,null],
['9日',219,194,null,194],
['10日',203,202,null,null],
['11日',220,204,null,null],
['12日',116,209,116,null],
['13日',null,222,142,null],
['14日',null,243,184,null],
['15日',183,253,183,null],
['16日',201,187,null,187],
['17日',210,228,null,null],
['18日',221,256,null,null],
['19日',161,236,161,null],
['20日',188,205,188,null],
['21日',210,202,null,null],
['22日',217,225,null,null],
['23日',162,214,162,null],
['24日',null,208,138,null],
['25日',null,193,176,193],
['26日',188,192,188,192],
['27日',202,222,null,null],
['28日',200,208,200,null],
['29日',218,248,null,null],
['30日',197,246,197,null],
['31日',null,null,200,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:300},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)
      }
    });
  }

});