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',null,null,183,143],
['2日',null,157,156,157],
['3日',null,216,137,null],
['4日',null,297,114,null],
['5日',null,441,144,null],
['6日',null,160,146,160],
['7日',171,167,171,167],
['8日',218,208,null,null],
['9日',139,179,139,179],
['10日',174,null,174,115],
['11日',203,149,null,149],
['12日',207,230,null,null],
['13日',250,128,null,128],
['14日',92,null,92,131],
['15日',null,null,188,149],
['16日',null,null,70,129],
['17日',null,null,127,165],
['18日',null,187,159,187],
['19日',189,208,189,null],
['20日',209,205,null,null],
['21日',187,130,187,130],
['22日',261,202,null,null],
['23日',163,202,163,null],
['24日',192,201,192,null],
['25日',242,253,null,null],
['26日',243,222,null,null],
['27日',325,65,null,65],
['28日',251,null,null,105],
['29日',187,null,187,107],
['30日',null,170,100,170],
['31日',null,null,155,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=4;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});