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,188,159],
['2日',null,null,112,149],
['3日',null,null,121,172],
['4日',null,196,134,196],
['5日',null,204,141,null],
['6日',null,222,150,null],
['7日',null,221,157,null],
['8日',null,217,181,null],
['9日',null,221,159,null],
['10日',null,218,156,null],
['11日',null,205,182,null],
['12日',null,217,190,null],
['13日',null,117,194,117],
['14日',193,null,193,141],
['15日',212,null,null,167],
['16日',183,192,183,192],
['17日',198,201,198,null],
['18日',206,208,null,null],
['19日',210,218,null,null],
['20日',202,215,null,null],
['21日',194,217,194,null],
['22日',208,224,null,null],
['23日',208,230,null,null],
['24日',203,227,null,null],
['25日',202,218,null,null],
['26日',194,242,194,null],
['27日',null,184,184,184],
['28日',null,203,64,null],
['29日',null,217,91,null],
['30日',null,232,117,null],
['31日',null,null,142,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:250},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)
      }
    });
  }

});