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,209,null,null],
['2日',null,150,null,150],
['3日',null,null,null,135],
['4日',133,null,133,124],
['5日',null,null,168,73],
['6日',187,null,187,96],
['7日',217,null,null,20],
['8日',159,null,159,58],
['9日',212,null,null,110],
['10日',130,null,130,126],
['11日',null,null,147,86],
['12日',null,131,153,131],
['13日',null,221,92,null],
['14日',null,379,112,null],
['15日',null,237,133,null],
['16日',null,156,144,156],
['17日',null,null,196,127],
['18日',null,null,196,172],
['19日',172,null,172,170],
['20日',220,168,null,168],
['21日',347,233,null,null],
['22日',225,206,null,null],
['23日',272,110,null,110],
['24日',215,206,null,null],
['25日',184,218,184,null],
['26日',203,249,null,null],
['27日',148,173,148,173],
['28日',null,244,88,null],
['29日',null,183,149,183],
['30日',null,155,106,155],
['31日',null,null,90,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:400},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)
      }
    });
  }

});