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,276,131,null],
['2日',null,274,96,null],
['3日',null,225,132,null],
['4日',177,273,177,null],
['5日',208,259,null,null],
['6日',246,297,null,null],
['7日',235,223,null,null],
['8日',287,263,null,null],
['9日',258,292,null,null],
['10日',73,288,73,null],
['11日',null,262,87,null],
['12日',null,346,97,null],
['13日',null,341,123,null],
['14日',158,119,158,119],
['15日',206,160,null,160],
['16日',250,205,null,null],
['17日',126,236,126,null],
['18日',173,264,173,null],
['19日',234,320,null,null],
['20日',236,321,null,null],
['21日',247,122,null,122],
['22日',269,168,null,168],
['23日',281,216,null,null],
['24日',161,233,161,null],
['25日',null,233,161,null],
['26日',null,190,127,190],
['27日',null,190,161,190],
['28日',null,205,102,null],
['29日',null,119,111,119],
['30日',116,145,116,145],
['31日',232,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: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)
      }
    });
  }

});