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,237,null,null],
['2日',null,238,null,null],
['3日',163,99,163,99],
['4日',null,null,129,94],
['5日',null,null,108,137],
['6日',null,null,141,159],
['7日',null,174,127,174],
['8日',null,209,161,null],
['9日',null,222,199,null],
['10日',null,109,118,109],
['11日',null,null,128,97],
['12日',null,161,181,161],
['13日',null,216,168,null],
['14日',null,237,129,null],
['15日',null,225,117,null],
['16日',null,138,141,138],
['17日',null,null,172,112],
['18日',null,null,108,145],
['19日',102,179,102,179],
['20日',205,202,null,null],
['21日',208,223,null,null],
['22日',153,205,153,null],
['23日',193,109,193,109],
['24日',208,null,null,90],
['25日',214,198,null,198],
['26日',219,255,null,null],
['27日',238,251,null,null],
['28日',216,225,null,null],
['29日',209,245,null,null],
['30日',221,253,null,null],
['31日',219,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: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=2;

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

});