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,134],
['2日',null,null,null,157],
['3日',null,null,null,184],
['4日',null,200,null,200],
['5日',null,209,null,null],
['6日',null,184,null,184],
['7日',null,null,null,189],
['8日',null,182,null,182],
['9日',191,202,191,null],
['10日',null,214,154,null],
['11日',174,220,174,null],
['12日',203,215,null,null],
['13日',205,215,null,null],
['14日',223,187,null,187],
['15日',219,null,null,144],
['16日',229,189,null,189],
['17日',182,224,182,null],
['18日',null,215,180,null],
['19日',199,218,199,null],
['20日',223,189,null,189],
['21日',232,null,null,165],
['22日',196,null,196,170],
['23日',null,null,186,194],
['24日',165,null,165,186],
['25日',203,null,null,163],
['26日',211,null,null,179],
['27日',201,null,null,197],
['28日',216,null,null,189],
['29日',196,184,196,184],
['30日',null,206,151,null],
['31日',null,null,154,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)
      }
    });
  }

});