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',215,null,null,98],
['2日',168,null,168,120],
['3日',null,148,120,148],
['4日',null,211,140,null],
['5日',null,303,194,null],
['6日',172,148,172,148],
['7日',237,null,null,183],
['8日',254,192,null,192],
['9日',189,238,189,null],
['10日',null,253,175,null],
['11日',191,229,191,null],
['12日',212,268,null,null],
['13日',264,128,null,128],
['14日',251,null,null,118],
['15日',282,null,null,108],
['16日',202,null,null,105],
['17日',128,147,128,147],
['18日',null,212,158,null],
['19日',null,201,168,null],
['20日',173,203,173,null],
['21日',210,135,null,135],
['22日',248,206,null,null],
['23日',238,172,null,172],
['24日',160,null,160,186],
['25日',157,196,157,196],
['26日',209,218,null,null],
['27日',229,122,null,122],
['28日',244,null,null,99],
['29日',318,null,null,57],
['30日',248,69,null,69],
['31日',121,null,121,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)
      }
    });
  }

});