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',210,295,null,null],
['2日',181,222,181,null],
['3日',209,261,null,null],
['4日',227,229,null,null],
['5日',262,251,null,null],
['6日',179,229,179,null],
['7日',202,292,null,null],
['8日',228,309,null,null],
['9日',278,295,null,null],
['10日',77,294,77,null],
['11日',null,316,88,null],
['12日',null,213,101,null],
['13日',null,244,136,null],
['14日',null,282,180,null],
['15日',null,299,159,null],
['16日',null,291,163,null],
['17日',171,134,171,134],
['18日',201,null,null,157],
['19日',251,188,null,188],
['20日',282,223,null,null],
['21日',320,249,null,null],
['22日',132,280,132,null],
['23日',195,300,195,null],
['24日',201,128,null,128],
['25日',218,155,null,155],
['26日',248,222,null,null],
['27日',223,268,null,null],
['28日',281,331,null,null],
['29日',150,360,150,null],
['30日',203,270,null,null],
['31日',230,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: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=2;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});