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,185,null,185],
['2日',210,201,null,null],
['3日',239,232,null,null],
['4日',210,320,null,null],
['5日',300,213,null,null],
['6日',391,241,null,null],
['7日',244,248,null,null],
['8日',243,245,null,null],
['9日',166,226,166,null],
['10日',216,250,null,null],
['11日',226,151,null,151],
['12日',257,208,null,null],
['13日',204,182,null,182],
['14日',233,190,null,190],
['15日',231,226,null,null],
['16日',306,231,null,null],
['17日',267,234,null,null],
['18日',325,201,null,null],
['19日',429,239,null,null],
['20日',436,173,null,173],
['21日',244,224,null,null],
['22日',122,289,122,null],
['23日',155,303,155,null],
['24日',218,97,null,97],
['25日',254,118,null,118],
['26日',273,204,null,null],
['27日',174,195,174,195],
['28日',219,227,null,null],
['29日',251,266,null,null],
['30日',257,301,null,null],
['31日',239,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=2;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});