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',171,239,171,null],
['2日',224,186,null,186],
['3日',223,207,null,null],
['4日',216,213,null,null],
['5日',243,201,null,null],
['6日',139,232,139,null],
['7日',null,262,157,null],
['8日',133,254,133,null],
['9日',232,221,null,null],
['10日',209,224,null,null],
['11日',206,198,null,198],
['12日',257,201,null,null],
['13日',224,217,null,null],
['14日',223,233,null,null],
['15日',181,253,181,null],
['16日',242,245,null,null],
['17日',231,209,null,null],
['18日',191,167,191,167],
['19日',220,null,null,144],
['20日',200,153,200,153],
['21日',169,null,169,null],
['22日',217,null,null,null],
['23日',251,null,null,null],
['24日',191,null,191,null],
['25日',206,null,null,null],
['26日',206,null,null,null],
['27日',164,null,164,null],
['28日',180,null,180,null],
['29日',204,null,null,null],
['30日',224,null,null,null],
['31日',null,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5月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:300},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=20 -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)
      }
    });
  }

});