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,94,183],
['2日',null,null,13,7],
['3日',null,null,27,9],
['4日',null,null,40,23],
['5日',null,null,89,39],
['6日',135,null,135,61],
['7日',214,null,null,94],
['8日',248,null,null,94],
['9日',260,null,null,96],
['10日',268,null,null,112],
['11日',271,null,null,118],
['12日',299,null,null,157],
['13日',266,null,null,58],
['14日',330,null,null,77],
['15日',337,null,null,97],
['16日',424,null,null,45],
['17日',304,null,null,54],
['18日',285,null,null,83],
['19日',4,144,4,144],
['20日',null,225,10,null],
['21日',null,147,26,147],
['22日',null,208,58,null],
['23日',null,215,74,null],
['24日',null,288,90,null],
['25日',null,209,118,null],
['26日',null,215,167,null],
['27日',null,2,128,2],
['28日',null,null,122,7],
['29日',170,null,170,16],
['30日',216,28,null,28],
['31日',152,null,152,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=4;

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

});