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,202,null,null],
['2日',221,206,null,null],
['3日',140,222,140,null],
['4日',null,247,138,null],
['5日',194,244,194,null],
['6日',223,268,null,null],
['7日',245,231,null,null],
['8日',262,220,null,null],
['9日',233,225,null,null],
['10日',196,233,196,null],
['11日',null,249,160,null],
['12日',186,274,186,null],
['13日',204,255,null,null],
['14日',202,214,null,null],
['15日',217,198,null,198],
['16日',251,227,null,null],
['17日',211,253,null,null],
['18日',134,259,134,null],
['19日',207,257,null,null],
['20日',207,241,null,null],
['21日',211,213,null,null],
['22日',234,204,null,null],
['23日',234,228,null,null],
['24日',157,244,157,null],
['25日',null,230,169,null],
['26日',null,230,180,null],
['27日',null,190,180,190],
['28日',null,null,188,140],
['29日',null,null,155,130],
['30日',null,184,112,184],
['31日',null,null,171,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=4;

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

});