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,200],
['2日',null,197,null,197],
['3日',null,207,null,null],
['4日',212,216,null,null],
['5日',217,201,null,null],
['6日',224,210,null,null],
['7日',197,214,197,null],
['8日',201,192,null,192],
['9日',207,201,null,null],
['10日',235,220,null,null],
['11日',201,205,null,null],
['12日',215,205,null,null],
['13日',228,201,null,null],
['14日',228,171,null,171],
['15日',190,null,190,191],
['16日',190,null,190,200],
['17日',205,197,null,197],
['18日',178,206,178,null],
['19日',162,198,162,198],
['20日',211,213,null,null],
['21日',202,225,null,null],
['22日',229,212,null,null],
['23日',211,203,null,null],
['24日',216,209,null,null],
['25日',191,204,191,null],
['26日',198,209,198,null],
['27日',207,211,null,null],
['28日',216,190,null,190],
['29日',200,206,200,null],
['30日',204,201,null,null],
['31日',214,null,null,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)
      }
    });
  }

});