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,57,67],
['2日',null,159,95,159],
['3日',null,213,101,null],
['4日',null,253,47,null],
['5日',null,271,63,null],
['6日',null,304,106,null],
['7日',160,302,160,null],
['8日',207,302,null,null],
['9日',226,319,null,null],
['10日',217,345,null,null],
['11日',169,317,169,null],
['12日',null,275,112,null],
['13日',177,231,177,null],
['14日',241,295,null,null],
['15日',255,321,null,null],
['16日',274,64,null,64],
['17日',282,null,null,88],
['18日',277,147,null,147],
['19日',62,203,62,null],
['20日',null,246,87,null],
['21日',154,263,154,null],
['22日',207,278,null,null],
['23日',211,271,null,null],
['24日',230,266,null,null],
['25日',235,217,null,null],
['26日',187,158,187,158],
['27日',null,158,172,158],
['28日',null,215,161,null],
['29日',null,196,137,196],
['30日',null,150,184,150],
['31日',null,null,181,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)
      }
    });
  }

});