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,190],
['2日',null,null,null,165],
['3日',null,185,null,185],
['4日',null,221,null,null],
['5日',null,232,null,null],
['6日',null,259,null,null],
['7日',null,288,null,null],
['8日',null,268,null,null],
['9日',198,279,198,null],
['10日',null,309,169,null],
['11日',null,135,170,135],
['12日',199,202,199,null],
['13日',214,236,null,null],
['14日',65,271,65,null],
['15日',null,239,102,null],
['16日',null,220,127,null],
['17日',null,224,150,null],
['18日',null,276,126,null],
['19日',184,341,184,null],
['20日',218,391,null,null],
['21日',208,384,null,null],
['22日',245,344,null,null],
['23日',181,326,181,null],
['24日',216,337,null,null],
['25日',195,65,195,65],
['26日',190,126,190,126],
['27日',208,209,null,null],
['28日',62,225,62,null],
['29日',null,214,106,null],
['30日',null,243,172,null],
['31日',null,null,197,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)
      }
    });
  }

});