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,411,178,null],
['2日',null,403,158,null],
['3日',null,409,177,null],
['4日',null,405,183,null],
['5日',199,413,199,null],
['6日',232,301,null,null],
['7日',240,290,null,null],
['8日',273,297,null,null],
['9日',262,322,null,null],
['10日',230,317,null,null],
['11日',199,341,199,null],
['12日',239,327,null,null],
['13日',180,291,180,null],
['14日',218,311,null,null],
['15日',199,311,199,null],
['16日',218,332,null,null],
['17日',228,361,null,null],
['18日',283,383,null,null],
['19日',317,416,null,null],
['20日',356,382,null,null],
['21日',364,434,null,null],
['22日',393,476,null,null],
['23日',239,482,null,null],
['24日',226,485,null,null],
['25日',224,441,null,null],
['26日',255,136,null,136],
['27日',264,null,null,126],
['28日',272,null,null,187],
['29日',290,null,null,200],
['30日',267,175,null,175],
['31日',334,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)
      }
    });
  }

});