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',440,315,null,null],
['2日',410,368,null,null],
['3日',398,247,null,null],
['4日',432,313,null,null],
['5日',354,333,null,null],
['6日',418,336,null,null],
['7日',397,263,null,null],
['8日',427,322,null,null],
['9日',427,329,null,null],
['10日',445,325,null,null],
['11日',309,333,null,null],
['12日',356,255,null,null],
['13日',374,221,null,null],
['14日',318,208,null,null],
['15日',368,246,null,null],
['16日',311,201,null,null],
['17日',306,279,null,null],
['18日',298,160,null,160],
['19日',303,230,null,null],
['20日',360,280,null,null],
['21日',293,280,null,null],
['22日',356,305,null,null],
['23日',397,345,null,null],
['24日',253,344,null,null],
['25日',233,224,null,null],
['26日',278,174,null,174],
['27日',271,250,null,null],
['28日',276,210,null,null],
['29日',332,128,null,128],
['30日',298,236,null,null],
['31日',338,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)
      }
    });
  }

});