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',233,219,null,null],
['2日',136,162,136,162],
['3日',null,182,152,182],
['4日',176,208,176,null],
['5日',208,211,null,null],
['6日',214,81,null,81],
['7日',221,null,null,109],
['8日',210,null,null,123],
['9日',120,null,120,145],
['10日',null,null,146,185],
['11日',170,null,170,179],
['12日',203,null,null,192],
['13日',206,null,null,131],
['14日',207,null,null,150],
['15日',202,null,null,179],
['16日',76,null,76,122],
['17日',null,null,105,146],
['18日',null,null,129,180],
['19日',null,null,166,177],
['20日',180,null,180,134],
['21日',201,159,null,159],
['22日',192,202,192,null],
['23日',null,214,97,null],
['24日',null,234,120,null],
['25日',null,241,147,null],
['26日',191,231,191,null],
['27日',214,182,null,182],
['28日',228,212,null,null],
['29日',225,236,null,null],
['30日',197,242,197,null],
['31日',201,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: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)
      }
    });
  }

});