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',127,236,127,null],
['2日',211,203,null,null],
['3日',202,143,null,143],
['4日',231,null,null,180],
['5日',116,null,116,153],
['6日',202,193,null,193],
['7日',184,202,184,null],
['8日',143,208,143,null],
['9日',218,230,null,null],
['10日',164,175,164,175],
['11日',223,90,null,90],
['12日',86,207,86,null],
['13日',null,151,54,151],
['14日',null,218,103,null],
['15日',153,260,153,null],
['16日',230,131,null,131],
['17日',169,null,169,176],
['18日',203,132,null,132],
['19日',95,202,95,null],
['20日',null,172,149,172],
['21日',null,234,152,null],
['22日',null,253,130,null],
['23日',197,193,197,193],
['24日',214,206,null,null],
['25日',218,159,null,159],
['26日',116,null,116,77],
['27日',null,163,136,163],
['28日',null,211,105,null],
['29日',null,241,121,null],
['30日',131,201,131,null],
['31日',221,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)
      }
    });
  }

});