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',405,311,null,null],
['2日',546,323,null,null],
['3日',428,408,null,null],
['4日',446,296,null,null],
['5日',438,324,null,null],
['6日',527,373,null,null],
['7日',638,337,null,null],
['8日',734,484,null,null],
['9日',680,501,null,null],
['10日',578,374,null,null],
['11日',628,369,null,null],
['12日',660,386,null,null],
['13日',566,348,null,null],
['14日',288,393,null,null],
['15日',292,478,null,null],
['16日',343,488,null,null],
['17日',437,498,null,null],
['18日',498,536,null,null],
['19日',438,585,null,null],
['20日',505,607,null,null],
['21日',353,381,null,null],
['22日',385,357,null,null],
['23日',412,381,null,null],
['24日',445,419,null,null],
['25日',450,430,null,null],
['26日',252,489,null,null],
['27日',274,538,null,null],
['28日',324,480,null,null],
['29日',481,519,null,null],
['30日',294,498,null,null],
['31日',319,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:800},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)
      }
    });
  }

});