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',220,194,null,194],
['2日',97,211,97,null],
['3日',null,216,125,null],
['4日',null,51,141,51],
['5日',null,null,143,77],
['6日',null,null,169,98],
['7日',null,null,37,104],
['8日',null,null,67,122],
['9日',null,null,102,152],
['10日',null,null,90,157],
['11日',null,null,147,190],
['12日',null,null,161,189],
['13日',null,195,176,195],
['14日',null,213,96,null],
['15日',null,207,119,null],
['16日',null,193,126,193],
['17日',null,201,119,null],
['18日',null,163,165,163],
['19日',195,null,195,163],
['20日',216,195,null,195],
['21日',167,202,167,null],
['22日',null,220,153,null],
['23日',null,229,178,null],
['24日',186,182,186,182],
['25日',211,null,null,177],
['26日',235,null,null,178],
['27日',217,196,null,196],
['28日',188,207,188,null],
['29日',202,216,null,null],
['30日',155,197,155,197],
['31日',null,null,183,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:250},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)
      }
    });
  }

});