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',198,220,198,null],
['2日',205,211,null,null],
['3日',197,206,197,null],
['4日',null,209,194,null],
['5日',null,197,190,197],
['6日',194,201,194,null],
['7日',216,219,null,null],
['8日',224,216,null,null],
['9日',208,207,null,null],
['10日',214,212,null,null],
['11日',218,212,null,null],
['12日',211,210,null,null],
['13日',218,205,null,null],
['14日',228,215,null,null],
['15日',227,223,null,null],
['16日',215,207,null,null],
['17日',211,211,null,null],
['18日',216,216,null,null],
['19日',213,200,null,200],
['20日',216,183,null,183],
['21日',214,203,null,null],
['22日',235,202,null,null],
['23日',218,171,null,171],
['24日',198,185,198,185],
['25日',201,201,null,null],
['26日',202,219,null,null],
['27日',199,210,199,null],
['28日',203,220,null,null],
['29日',220,213,null,null],
['30日',203,200,null,200],
['31日',220,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=4;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});