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,null,140],
['2日',null,null,null,146],
['3日',null,null,null,158],
['4日',null,null,null,157],
['5日',null,193,null,193],
['6日',null,224,null,null],
['7日',190,222,190,null],
['8日',229,226,null,null],
['9日',270,221,null,null],
['10日',209,206,null,null],
['11日',227,138,null,138],
['12日',196,191,196,191],
['13日',207,222,null,null],
['14日',163,230,163,null],
['15日',219,259,null,null],
['16日',237,260,null,null],
['17日',280,253,null,null],
['18日',279,241,null,null],
['19日',287,299,null,null],
['20日',299,285,null,null],
['21日',116,311,116,null],
['22日',161,300,161,null],
['23日',213,299,null,null],
['24日',244,313,null,null],
['25日',290,262,null,null],
['26日',288,290,null,null],
['27日',248,291,null,null],
['28日',47,332,47,null],
['29日',null,351,42,null],
['30日',null,337,72,null],
['31日',null,null,110,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=2;

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

});