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,194,54,194],
['2日',null,219,74,null],
['3日',null,246,46,null],
['4日',null,296,50,null],
['5日',null,261,58,null],
['6日',null,354,86,null],
['7日',null,364,146,null],
['8日',null,393,151,null],
['9日',null,341,179,null],
['10日',null,370,143,null],
['11日',null,51,189,51],
['12日',null,null,192,98],
['13日',null,null,78,123],
['14日',null,null,82,123],
['15日',null,null,133,119],
['16日',null,null,153,163],
['17日',161,null,161,71],
['18日',204,182,null,182],
['19日',138,321,138,null],
['20日',220,260,null,null],
['21日',142,314,142,null],
['22日',211,412,null,null],
['23日',254,null,null,null],
['24日',239,null,null,null],
['25日',279,null,null,null],
['26日',208,null,null,null],
['27日',88,null,88,null],
['28日',null,null,151,null],
['29日',198,null,198,null],
['30日',204,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=22 -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)
      }
    });
  }

});