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,160,127,160],
['2日',null,223,178,null],
['3日',null,200,150,200],
['4日',null,148,175,148],
['5日',null,202,122,null],
['6日',null,239,159,null],
['7日',189,191,189,191],
['8日',217,null,null,163],
['9日',213,156,null,156],
['10日',220,208,null,null],
['11日',224,193,null,193],
['12日',156,null,156,198],
['13日',null,null,195,174],
['14日',null,180,166,180],
['15日',170,241,170,null],
['16日',220,277,null,null],
['17日',181,279,181,null],
['18日',205,213,null,null],
['19日',193,240,193,null],
['20日',null,306,176,null],
['21日',200,228,200,null],
['22日',232,177,null,177],
['23日',244,126,null,126],
['24日',194,225,194,null],
['25日',219,230,null,null],
['26日',150,244,150,null],
['27日',null,245,150,null],
['28日',null,259,160,null],
['29日',190,297,190,null],
['30日',237,266,null,null],
['31日',126,null,126,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:350},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)
      }
    });
  }

});