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',341,198,null,198],
['2日',321,219,null,null],
['3日',223,219,null,null],
['4日',218,174,null,174],
['5日',122,210,122,null],
['6日',null,253,89,null],
['7日',141,121,141,121],
['8日',217,null,null,119],
['9日',220,null,null,137],
['10日',114,null,114,154],
['11日',null,null,128,124],
['12日',175,null,175,168],
['13日',230,null,null,197],
['14日',209,null,null,120],
['15日',246,null,null,124],
['16日',248,null,null,171],
['17日',208,170,null,170],
['18日',176,216,176,null],
['19日',220,280,null,null],
['20日',269,337,null,null],
['21日',290,159,null,159],
['22日',269,181,null,181],
['23日',269,212,null,null],
['24日',137,219,137,null],
['25日',null,56,131,56],
['26日',null,null,105,83],
['27日',null,null,132,135],
['28日',186,null,186,95],
['29日',241,null,null,96],
['30日',249,126,null,126],
['31日',188,null,188,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)
      }
    });
  }

});