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,410,null,null],
['2日',null,335,null,null],
['3日',null,284,null,null],
['4日',null,300,null,null],
['5日',null,390,null,null],
['6日',null,336,null,null],
['7日',null,214,null,null],
['8日',null,207,null,null],
['9日',null,144,null,144],
['10日',null,222,null,null],
['11日',null,200,null,200],
['12日',null,237,null,null],
['13日',null,256,null,null],
['14日',244,288,null,null],
['15日',253,390,null,null],
['16日',273,312,null,null],
['17日',300,432,null,null],
['18日',302,179,null,179],
['19日',318,229,null,null],
['20日',265,342,null,null],
['21日',338,231,null,null],
['22日',397,255,null,null],
['23日',449,203,null,null],
['24日',151,242,151,null],
['25日',232,246,null,null],
['26日',200,156,200,156],
['27日',281,null,null,198],
['28日',300,null,null,115],
['29日',325,null,null,54],
['30日',305,109,null,109],
['31日',328,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=4;

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

});