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,160,140],
['2日',null,null,175,129],
['3日',199,128,199,128],
['4日',239,240,null,null],
['5日',121,180,121,180],
['6日',null,null,148,144],
['7日',173,null,173,112],
['8日',206,142,null,142],
['9日',255,243,null,null],
['10日',246,283,null,null],
['11日',315,181,null,181],
['12日',373,null,null,125],
['13日',255,null,null,193],
['14日',241,197,null,197],
['15日',186,235,186,null],
['16日',164,209,164,null],
['17日',212,186,null,186],
['18日',235,244,null,null],
['19日',208,225,null,null],
['20日',234,249,null,null],
['21日',214,264,null,null],
['22日',288,100,null,100],
['23日',221,null,null,108],
['24日',279,null,null,182],
['25日',114,null,114,170],
['26日',null,172,147,172],
['27日',null,233,104,null],
['28日',null,216,133,null],
['29日',159,152,159,152],
['30日',239,104,null,104],
['31日',152,null,152,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:400},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)
      }
    });
  }

});