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,196,171,196],
['2日',null,226,190,null],
['3日',null,257,183,null],
['4日',null,219,140,null],
['5日',null,248,95,null],
['6日',null,150,107,150],
['7日',null,null,114,98],
['8日',null,null,175,119],
['9日',null,null,191,167],
['10日',null,null,156,102],
['11日',null,null,124,123],
['12日',163,191,163,191],
['13日',213,219,null,null],
['14日',214,194,null,194],
['15日',214,196,null,196],
['16日',192,201,192,null],
['17日',null,206,127,null],
['18日',140,202,140,null],
['19日',215,191,null,191],
['20日',225,201,null,null],
['21日',274,115,null,115],
['22日',284,null,null,100],
['23日',221,199,null,199],
['24日',200,208,200,null],
['25日',197,275,197,null],
['26日',250,245,null,null],
['27日',280,240,null,null],
['28日',304,136,null,136],
['29日',239,166,null,166],
['30日',219,250,null,null],
['31日',237,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:350},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)
      }
    });
  }

});