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,222,null,null],
['2日',null,180,null,180],
['3日',145,207,145,null],
['4日',null,232,154,null],
['5日',189,246,189,null],
['6日',201,253,null,null],
['7日',207,242,null,null],
['8日',230,240,null,null],
['9日',223,237,null,null],
['10日',200,233,200,null],
['11日',203,255,null,null],
['12日',229,292,null,null],
['13日',224,36,null,36],
['14日',200,null,200,34],
['15日',206,null,null,58],
['16日',200,null,200,79],
['17日',null,null,173,82],
['18日',191,null,191,106],
['19日',221,null,null,129],
['20日',223,null,null,137],
['21日',180,null,180,145],
['22日',202,null,null,154],
['23日',216,null,null,164],
['24日',205,null,null,142],
['25日',209,null,null,142],
['26日',213,null,null,170],
['27日',228,null,null,195],
['28日',212,null,null,167],
['29日',218,null,null,159],
['30日',170,104,170,104],
['31日',null,null,168,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: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=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)
      }
    });
  }

});