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',285,335,null,null],
['2日',172,121,172,121],
['3日',null,null,130,105],
['4日',null,null,97,115],
['5日',149,176,149,176],
['6日',283,255,null,null],
['7日',249,273,null,null],
['8日',203,333,null,null],
['9日',336,266,null,null],
['10日',405,298,null,null],
['11日',272,269,null,null],
['12日',186,273,186,null],
['13日',313,353,null,null],
['14日',437,274,null,null],
['15日',646,275,null,null],
['16日',286,166,null,166],
['17日',248,null,null,128],
['18日',192,null,192,140],
['19日',168,130,168,130],
['20日',251,261,null,null],
['21日',311,330,null,null],
['22日',247,164,null,164],
['23日',476,256,null,null],
['24日',499,34,null,34],
['25日',477,null,null,45],
['26日',407,null,null,101],
['27日',236,null,null,123],
['28日',191,null,191,110],
['29日',151,null,151,31],
['30日',233,41,null,41],
['31日',274,null,null,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:700},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)
      }
    });
  }

});