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',512,470,null,null],
['2日',322,313,null,null],
['3日',355,297,null,null],
['4日',300,277,null,null],
['5日',377,332,null,null],
['6日',537,369,null,null],
['7日',537,498,null,null],
['8日',375,515,null,null],
['9日',483,441,null,null],
['10日',565,621,null,null],
['11日',680,708,null,null],
['12日',497,529,null,null],
['13日',570,632,null,null],
['14日',609,564,null,null],
['15日',471,438,null,null],
['16日',529,392,null,null],
['17日',463,370,null,null],
['18日',483,343,null,null],
['19日',465,391,null,null],
['20日',560,528,null,null],
['21日',557,624,null,null],
['22日',584,573,null,null],
['23日',610,514,null,null],
['24日',540,171,null,171],
['25日',499,202,null,null],
['26日',579,276,null,null],
['27日',347,291,null,null],
['28日',313,344,null,null],
['29日',385,129,null,129],
['30日',496,154,null,154],
['31日',440,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:800},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)
      }
    });
  }

});