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,212,null,null],
['2日',134,90,134,90],
['3日',null,null,161,122],
['4日',181,160,181,160],
['5日',214,206,null,null],
['6日',245,173,null,173],
['7日',204,191,null,191],
['8日',231,257,null,null],
['9日',284,307,null,null],
['10日',279,234,null,null],
['11日',322,231,null,null],
['12日',223,259,null,null],
['13日',219,204,null,null],
['14日',274,202,null,null],
['15日',306,235,null,null],
['16日',61,298,61,null],
['17日',null,50,65,50],
['18日',null,null,110,61],
['19日',null,null,113,96],
['20日',null,null,143,99],
['21日',null,null,174,117],
['22日',null,null,163,105],
['23日',181,null,181,142],
['24日',216,192,null,192],
['25日',228,216,null,null],
['26日',167,232,167,null],
['27日',null,64,148,64],
['28日',null,null,171,75],
['29日',null,null,150,103],
['30日',null,128,183,128],
['31日',null,null,185,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)
      }
    });
  }

});