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,388,153,null],
['2日',null,202,143,null],
['3日',179,263,179,null],
['4日',221,290,null,null],
['5日',241,261,null,null],
['6日',245,286,null,null],
['7日',258,355,null,null],
['8日',268,336,null,null],
['9日',272,316,null,null],
['10日',272,320,null,null],
['11日',304,360,null,null],
['12日',261,136,null,136],
['13日',263,null,null,123],
['14日',228,null,null,148],
['15日',262,173,null,173],
['16日',243,203,null,null],
['17日',300,222,null,null],
['18日',347,192,null,192],
['19日',358,241,null,null],
['20日',350,395,null,null],
['21日',322,520,null,null],
['22日',220,482,null,null],
['23日',208,502,null,null],
['24日',251,466,null,null],
['25日',310,399,null,null],
['26日',345,232,null,null],
['27日',361,196,null,196],
['28日',397,240,null,null],
['29日',406,290,null,null],
['30日',419,313,null,null],
['31日',380,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:600},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=2;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});