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,151,131],
['2日',null,null,121,152],
['3日',null,null,88,85],
['4日',null,null,90,20],
['5日',null,null,114,32],
['6日',null,null,141,53],
['7日',null,null,153,66],
['8日',null,null,142,70],
['9日',null,null,108,83],
['10日',null,null,145,74],
['11日',null,null,120,84],
['12日',null,null,113,90],
['13日',null,null,124,102],
['14日',null,null,14,92],
['15日',null,null,22,87],
['16日',null,null,30,96],
['17日',null,null,51,104],
['18日',null,null,63,104],
['19日',null,null,71,89],
['20日',null,null,90,88],
['21日',null,null,96,84],
['22日',null,null,82,78],
['23日',null,null,78,85],
['24日',null,null,74,63],
['25日',null,null,80,6],
['26日',null,null,94,7],
['27日',null,null,119,20],
['28日',null,null,106,21],
['29日',null,null,126,30],
['30日',null,46,110,46],
['31日',null,null,149,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:200},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)
      }
    });
  }

});