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,209,151,null],
['2日',null,153,140,153],
['3日',161,232,161,null],
['4日',231,301,null,null],
['5日',202,181,null,181],
['6日',163,227,163,null],
['7日',155,233,155,null],
['8日',206,124,null,124],
['9日',285,155,null,155],
['10日',270,201,null,null],
['11日',203,206,null,null],
['12日',213,227,null,null],
['13日',250,165,null,165],
['14日',219,186,null,186],
['15日',251,203,null,null],
['16日',130,210,130,null],
['17日',null,233,138,null],
['18日',null,268,129,null],
['19日',null,202,135,null],
['20日',null,143,92,143],
['21日',null,null,98,159],
['22日',null,null,125,86],
['23日',null,null,125,84],
['24日',null,null,123,113],
['25日',null,null,159,165],
['26日',null,194,164,194],
['27日',null,203,176,null],
['28日',null,221,170,null],
['29日',null,167,132,167],
['30日',151,199,151,199],
['31日',243,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: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=4;

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

});