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,null,48],
['2日',null,null,null,62],
['3日',null,null,null,69],
['4日',null,null,null,79],
['5日',116,null,116,85],
['6日',null,null,138,85],
['7日',null,null,160,96],
['8日',null,null,146,102],
['9日',182,null,182,107],
['10日',214,null,null,131],
['11日',245,null,null,150],
['12日',243,null,null,134],
['13日',228,null,null,142],
['14日',255,null,null,163],
['15日',251,null,null,192],
['16日',243,null,null,165],
['17日',234,null,null,111],
['18日',192,null,192,53],
['19日',208,null,null,33],
['20日',218,null,null,67],
['21日',219,null,null,90],
['22日',220,null,null,140],
['23日',253,null,null,125],
['24日',244,null,null,137],
['25日',243,null,null,169],
['26日',235,null,null,199],
['27日',196,null,196,155],
['28日',null,169,9,169],
['29日',null,214,15,null],
['30日',null,196,21,196],
['31日',null,null,41,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:300},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)
      }
    });
  }

});