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,280,28,null],
['2日',null,196,49,196],
['3日',null,201,71,null],
['4日',null,265,92,null],
['5日',null,283,158,null],
['6日',null,278,190,null],
['7日',194,279,194,null],
['8日',223,324,null,null],
['9日',211,347,null,null],
['10日',209,363,null,null],
['11日',209,200,null,200],
['12日',230,243,null,null],
['13日',252,277,null,null],
['14日',89,327,89,null],
['15日',130,325,130,null],
['16日',208,348,null,null],
['17日',228,415,null,null],
['18日',255,109,null,109],
['19日',309,147,null,147],
['20日',339,219,null,null],
['21日',300,246,null,null],
['22日',322,282,null,null],
['23日',349,254,null,null],
['24日',295,326,null,null],
['25日',318,227,null,null],
['26日',367,236,null,null],
['27日',437,256,null,null],
['28日',66,268,66,null],
['29日',null,335,101,null],
['30日',168,422,168,null],
['31日',218,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: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=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)
      }
    });
  }

});