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',250,217,null,null],
['2日',334,236,null,null],
['3日',126,215,126,null],
['4日',248,149,null,149],
['5日',300,201,null,null],
['6日',332,120,null,120],
['7日',399,null,null,164],
['8日',414,null,null,150],
['9日',348,null,null,117],
['10日',319,178,null,178],
['11日',335,205,null,null],
['12日',315,197,null,197],
['13日',340,null,null,116],
['14日',204,null,null,91],
['15日',224,166,null,166],
['16日',213,206,null,null],
['17日',302,126,null,126],
['18日',436,211,null,null],
['19日',346,208,null,null],
['20日',337,121,null,121],
['21日',215,203,null,null],
['22日',312,115,null,115],
['23日',310,154,null,154],
['24日',187,210,187,null],
['25日',206,276,null,null],
['26日',210,269,null,null],
['27日',183,234,183,null],
['28日',155,176,155,176],
['29日',201,146,null,146],
['30日',231,202,null,null],
['31日',206,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)
      }
    });
  }

});