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',200,256,200,null],
['2日',219,246,null,null],
['3日',221,56,null,56],
['4日',239,null,null,79],
['5日',254,null,null,115],
['6日',277,null,null,147],
['7日',290,192,null,192],
['8日',46,216,46,null],
['9日',null,231,65,null],
['10日',null,241,88,null],
['11日',null,258,124,null],
['12日',null,274,158,null],
['13日',191,287,191,null],
['14日',209,275,null,null],
['15日',235,289,null,null],
['16日',246,93,null,93],
['17日',214,null,null,111],
['18日',224,151,null,151],
['19日',268,206,null,null],
['20日',274,242,null,null],
['21日',297,253,null,null],
['22日',76,263,76,null],
['23日',null,275,96,null],
['24日',null,281,125,null],
['25日',null,313,154,null],
['26日',189,381,189,null],
['27日',213,433,null,null],
['28日',233,184,null,184],
['29日',252,201,null,null],
['30日',271,27,null,27],
['31日',272,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:500},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)
      }
    });
  }

});