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,155,null,155],
['2日',null,201,null,null],
['3日',158,226,158,null],
['4日',209,181,null,181],
['5日',228,null,null,180],
['6日',211,null,null,169],
['7日',242,null,null,86],
['8日',216,158,null,158],
['9日',162,228,162,null],
['10日',184,147,184,147],
['11日',285,197,null,197],
['12日',239,210,null,null],
['13日',137,234,137,null],
['14日',null,175,111,175],
['15日',null,209,117,null],
['16日',null,127,139,127],
['17日',null,null,111,109],
['18日',null,172,139,172],
['19日',null,229,131,null],
['20日',null,294,127,null],
['21日',176,317,176,null],
['22日',227,173,null,173],
['23日',214,null,null,130],
['24日',185,null,185,102],
['25日',null,null,135,109],
['26日',null,167,143,167],
['27日',null,225,187,null],
['28日',null,204,191,null],
['29日',145,138,145,138],
['30日',201,171,null,171],
['31日',213,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=4;

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

});