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',312,214,null,null],
['2日',174,322,174,null],
['3日',150,424,150,null],
['4日',266,371,null,null],
['5日',150,407,150,null],
['6日',null,280,148,null],
['7日',169,222,169,null],
['8日',271,206,null,null],
['9日',203,211,null,null],
['10日',302,237,null,null],
['11日',239,249,null,null],
['12日',278,242,null,null],
['13日',213,161,null,161],
['14日',139,null,139,185],
['15日',null,163,185,163],
['16日',null,240,190,null],
['17日',null,259,200,null],
['18日',153,224,153,null],
['19日',257,289,null,null],
['20日',379,178,null,178],
['21日',218,null,null,161],
['22日',397,184,null,184],
['23日',213,280,null,null],
['24日',285,181,null,181],
['25日',417,203,null,null],
['26日',178,175,178,175],
['27日',120,135,120,135],
['28日',245,251,null,null],
['29日',345,235,null,null],
['30日',365,327,null,null],
['31日',213,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:500},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)
      }
    });
  }

});