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,null,164,154],
['2日',null,null,187,194],
['3日',null,176,189,176],
['4日',null,212,190,null],
['5日',null,166,197,166],
['6日',null,null,192,178],
['7日',null,null,181,160],
['8日',null,null,176,159],
['9日',null,null,170,163],
['10日',null,null,170,145],
['11日',195,null,195,184],
['12日',212,null,null,193],
['13日',193,null,193,163],
['14日',203,null,null,173],
['15日',206,null,null,144],
['16日',210,null,null,152],
['17日',202,null,null,150],
['18日',175,null,175,154],
['19日',null,null,180,194],
['20日',186,157,186,157],
['21日',213,null,null,null],
['22日',174,null,174,null],
['23日',202,null,null,null],
['24日',204,null,null,null],
['25日',185,null,185,null],
['26日',203,null,null,null],
['27日',214,null,null,null],
['28日',201,null,null,null],
['29日',166,null,166,null],
['30日',206,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:250},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=20 -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)
      }
    });
  }

});