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,null,null,28],
['2日',null,null,null,79],
['3日',119,158,119,158],
['4日',233,210,null,null],
['5日',169,235,169,null],
['6日',198,144,198,144],
['7日',203,118,null,118],
['8日',282,241,null,null],
['9日',171,232,171,null],
['10日',null,222,171,null],
['11日',null,260,159,null],
['12日',null,259,165,null],
['13日',145,295,145,null],
['14日',206,295,null,null],
['15日',263,362,null,null],
['16日',82,77,82,77],
['17日',null,null,96,94],
['18日',null,188,125,188],
['19日',null,277,54,null],
['20日',null,217,80,null],
['21日',124,195,124,195],
['22日',228,null,null,199],
['23日',98,null,98,66],
['24日',null,null,121,82],
['25日',200,166,200,166],
['26日',220,225,null,null],
['27日',313,218,null,null],
['28日',305,149,null,149],
['29日',313,229,null,null],
['30日',214,215,null,null],
['31日',92,null,92,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:400},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)
      }
    });
  }

});