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,58],
['2日',85,null,85,61],
['3日',null,null,103,92],
['4日',null,null,79,136],
['5日',null,null,120,169],
['6日',null,153,167,153],
['7日',null,229,193,null],
['8日',null,111,118,111],
['9日',null,129,155,129],
['10日',null,211,96,null],
['11日',144,167,144,167],
['12日',225,212,null,null],
['13日',204,176,null,176],
['14日',210,218,null,null],
['15日',266,155,null,155],
['16日',114,null,114,17],
['17日',195,null,195,22],
['18日',263,null,null,41],
['19日',313,null,null,54],
['20日',230,null,null,71],
['21日',292,null,null,95],
['22日',450,null,null,94],
['23日',304,110,null,110],
['24日',282,223,null,null],
['25日',319,176,null,176],
['26日',349,216,null,null],
['27日',367,226,null,null],
['28日',128,185,128,185],
['29日',192,201,192,null],
['30日',223,120,null,120],
['31日',248,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)
      }
    });
  }

});