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,209,null,null],
['2日',68,32,68,32],
['3日',null,null,74,31],
['4日',null,null,94,49],
['5日',null,null,154,71],
['6日',188,null,188,81],
['7日',240,null,null,99],
['8日',264,null,null,118],
['9日',268,150,null,150],
['10日',277,220,null,null],
['11日',297,191,null,191],
['12日',325,null,null,188],
['13日',344,null,null,102],
['14日',348,null,null,93],
['15日',352,null,null,113],
['16日',449,null,null,101],
['17日',329,null,null,110],
['18日',351,154,null,154],
['19日',21,201,21,null],
['20日',null,243,24,null],
['21日',null,225,44,null],
['22日',null,233,65,null],
['23日',null,256,78,null],
['24日',null,261,101,null],
['25日',null,255,133,null],
['26日',null,255,164,null],
['27日',null,15,156,15],
['28日',200,null,200,20],
['29日',207,null,null,34],
['30日',197,60,197,60],
['31日',201,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)
      }
    });
  }

});