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',314,null,null,182],
['2日',274,null,null,188],
['3日',210,null,null,180],
['4日',190,178,190,178],
['5日',null,203,99,null],
['6日',null,230,99,null],
['7日',null,105,141,105],
['8日',null,null,168,98],
['9日',null,null,189,126],
['10日',null,null,107,122],
['11日',null,null,119,117],
['12日',null,null,153,156],
['13日',null,null,186,189],
['14日',null,null,150,86],
['15日',180,null,180,104],
['16日',209,null,null,141],
['17日',160,168,160,168],
['18日',170,201,170,null],
['19日',213,243,null,null],
['20日',208,274,null,null],
['21日',223,139,null,139],
['22日',230,null,null,147],
['23日',235,188,null,188],
['24日',121,206,121,null],
['25日',null,72,123,72],
['26日',null,null,97,93],
['27日',null,null,93,140],
['28日',null,null,136,103],
['29日',182,null,182,105],
['30日',212,129,null,129],
['31日',164,null,164,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)
      }
    });
  }

});