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,240,null,null],
['2日',null,170,null,170],
['3日',null,null,null,187],
['4日',214,null,null,194],
['5日',215,null,null,98],
['6日',246,null,null,125],
['7日',226,181,null,181],
['8日',47,236,47,null],
['9日',null,164,87,164],
['10日',null,217,125,null],
['11日',null,265,157,null],
['12日',null,127,126,127],
['13日',192,170,192,170],
['14日',225,214,null,null],
['15日',117,238,117,null],
['16日',191,136,191,136],
['17日',204,198,null,198],
['18日',234,215,null,null],
['19日',239,171,null,171],
['20日',191,null,191,103],
['21日',null,146,189,146],
['22日',null,206,96,null],
['23日',null,158,112,158],
['24日',166,206,166,null],
['25日',243,176,null,176],
['26日',109,190,109,190],
['27日',null,256,121,null],
['28日',null,241,155,null],
['29日',null,294,127,null],
['30日',161,207,161,null],
['31日',216,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: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)
      }
    });
  }

});