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,231,null,null],
['2日',null,227,null,null],
['3日',null,208,null,null],
['4日',null,82,null,82],
['5日',null,null,null,114],
['6日',null,null,null,124],
['7日',null,null,null,167],
['8日',272,184,null,184],
['9日',253,205,null,null],
['10日',270,220,null,null],
['11日',246,191,null,191],
['12日',246,179,null,179],
['13日',263,202,null,null],
['14日',44,216,44,null],
['15日',null,218,53,null],
['16日',null,229,86,null],
['17日',null,220,135,null],
['18日',null,197,145,197],
['19日',null,217,164,null],
['20日',null,227,174,null],
['21日',182,208,182,null],
['22日',216,211,null,null],
['23日',229,218,null,null],
['24日',202,215,null,null],
['25日',230,18,null,18],
['26日',269,null,null,25],
['27日',263,null,null,41],
['28日',250,null,null,70],
['29日',199,null,199,92],
['30日',214,96,null,96],
['31日',223,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:300},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=4;

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

});