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',455,507,null,null],
['2日',548,459,null,null],
['3日',503,467,null,null],
['4日',473,461,null,null],
['5日',496,426,null,null],
['6日',472,464,null,null],
['7日',438,500,null,null],
['8日',483,512,null,null],
['9日',487,461,null,null],
['10日',516,484,null,null],
['11日',476,513,null,null],
['12日',485,428,null,null],
['13日',530,495,null,null],
['14日',476,504,null,null],
['15日',481,463,null,null],
['16日',444,484,null,null],
['17日',492,467,null,null],
['18日',446,387,null,null],
['19日',446,389,null,null],
['20日',455,434,null,null],
['21日',486,429,null,null],
['22日',480,477,null,null],
['23日',463,480,null,null],
['24日',500,476,null,null],
['25日',475,526,null,null],
['26日',451,441,null,null],
['27日',443,491,null,null],
['28日',444,450,null,null],
['29日',469,443,null,null],
['30日',511,464,null,null],
['31日',510,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:600},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)
      }
    });
  }

});