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',197,218,197,null],
['2日',241,272,null,null],
['3日',230,236,null,null],
['4日',229,220,null,null],
['5日',186,231,186,null],
['6日',183,219,183,null],
['7日',203,180,null,180],
['8日',214,204,null,null],
['9日',222,144,null,144],
['10日',214,179,null,179],
['11日',214,210,null,null],
['12日',159,204,159,null],
['13日',null,210,187,null],
['14日',null,213,199,null],
['15日',191,211,191,null],
['16日',202,220,null,null],
['17日',199,208,199,null],
['18日',198,209,198,null],
['19日',204,220,null,null],
['20日',185,220,185,null],
['21日',200,216,200,null],
['22日',223,205,null,null],
['23日',224,178,null,178],
['24日',223,198,null,198],
['25日',211,205,null,null],
['26日',219,203,null,null],
['27日',193,216,193,null],
['28日',199,220,199,null],
['29日',204,221,null,null],
['30日',221,210,null,null],
['31日',200,null,200,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:300},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)
      }
    });
  }

});