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,7],
['2日',89,null,89,19],
['3日',null,null,97,52],
['4日',121,null,121,79],
['5日',210,null,null,111],
['6日',318,null,null,122],
['7日',325,null,null,147],
['8日',399,null,null,198],
['9日',253,164,null,164],
['10日',262,239,null,null],
['11日',179,244,179,null],
['12日',252,249,null,null],
['13日',74,193,74,193],
['14日',null,238,73,null],
['15日',null,247,138,null],
['16日',160,38,160,38],
['17日',216,93,null,93],
['18日',258,232,null,null],
['19日',252,425,null,null],
['20日',303,80,null,80],
['21日',219,null,null,50],
['22日',365,null,null,76],
['23日',488,null,null,148],
['24日',170,180,170,180],
['25日',238,223,null,null],
['26日',111,262,111,null],
['27日',null,34,126,34],
['28日',null,null,27,45],
['29日',null,null,49,61],
['30日',null,90,92,90],
['31日',null,null,120,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)
      }
    });
  }

});