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,370,null,null],
['2日',null,407,null,null],
['3日',null,461,null,null],
['4日',null,488,null,null],
['5日',538,506,null,null],
['6日',476,576,null,null],
['7日',601,575,null,null],
['8日',672,580,null,null],
['9日',584,530,null,null],
['10日',578,531,null,null],
['11日',551,471,null,null],
['12日',578,421,null,null],
['13日',539,293,null,null],
['14日',579,213,null,null],
['15日',550,151,null,151],
['16日',378,null,null,124],
['17日',410,null,null,110],
['18日',446,null,null,103],
['19日',425,null,null,103],
['20日',441,null,null,97],
['21日',498,null,null,96],
['22日',507,null,null,96],
['23日',561,null,null,101],
['24日',636,null,null,100],
['25日',599,null,null,101],
['26日',542,null,null,113],
['27日',566,null,null,103],
['28日',582,null,null,113],
['29日',560,null,null,115],
['30日',449,108,null,108],
['31日',347,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:700},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)
      }
    });
  }

});