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',214,null,null,165],
['2日',222,197,null,197],
['3日',203,221,null,null],
['4日',181,186,181,186],
['5日',null,210,156,null],
['6日',null,171,125,171],
['7日',null,null,152,178],
['8日',null,181,156,181],
['9日',null,205,168,null],
['10日',null,208,168,null],
['11日',null,224,185,null],
['12日',183,199,183,199],
['13日',222,202,null,null],
['14日',195,181,195,181],
['15日',177,207,177,null],
['16日',217,216,null,null],
['17日',182,219,182,null],
['18日',213,195,null,195],
['19日',173,221,173,null],
['20日',203,134,null,134],
['21日',170,null,170,168],
['22日',null,null,193,157],
['23日',null,178,197,178],
['24日',null,211,199,null],
['25日',null,205,174,null],
['26日',null,227,196,null],
['27日',null,220,181,null],
['28日',null,235,200,null],
['29日',null,232,189,null],
['30日',null,223,174,null],
['31日',null,null,159,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:250},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)
      }
    });
  }

});