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',237,null,null,139],
['2日',233,null,null,139],
['3日',213,null,null,195],
['4日',197,null,197,144],
['5日',227,null,null,178],
['6日',228,null,null,168],
['7日',231,159,null,159],
['8日',236,215,null,null],
['9日',215,208,null,null],
['10日',222,202,null,null],
['11日',211,138,null,138],
['12日',226,null,null,103],
['13日',252,170,null,170],
['14日',256,201,null,null],
['15日',159,162,159,162],
['16日',null,null,192,134],
['17日',null,183,126,183],
['18日',null,214,150,null],
['19日',197,273,197,null],
['20日',224,295,null,null],
['21日',238,251,null,null],
['22日',242,243,null,null],
['23日',232,224,null,null],
['24日',251,228,null,null],
['25日',254,163,null,163],
['26日',244,null,null,170],
['27日',280,null,null,139],
['28日',110,185,110,185],
['29日',null,220,109,null],
['30日',null,221,152,null],
['31日',null,null,176,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)
      }
    });
  }

});