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,258,92,null],
['2日',null,258,76,null],
['3日',161,264,161,null],
['4日',248,183,null,183],
['5日',343,null,null,98],
['6日',320,null,null,120],
['7日',157,142,157,142],
['8日',null,214,139,null],
['9日',171,281,171,null],
['10日',275,401,null,null],
['11日',323,306,null,null],
['12日',417,229,null,null],
['13日',198,228,198,null],
['14日',204,270,null,null],
['15日',174,372,174,null],
['16日',185,348,185,null],
['17日',250,463,null,null],
['18日',327,215,null,null],
['19日',357,179,null,179],
['20日',284,null,null,null],
['21日',222,null,null,null],
['22日',206,null,null,null],
['23日',225,null,null,null],
['24日',281,null,null,null],
['25日',293,null,null,null],
['26日',326,null,null,null],
['27日',176,null,176,null],
['28日',null,null,136,null],
['29日',171,null,171,null],
['30日',228,null,null,null],
['31日',null,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5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=19 -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)
      }
    });
  }

});