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,210,86,null],
['2日',null,173,87,173],
['3日',null,null,91,108],
['4日',null,null,108,82],
['5日',null,null,113,101],
['6日',null,null,135,112],
['7日',null,null,65,73],
['8日',null,null,81,89],
['9日',null,128,94,128],
['10日',null,206,131,null],
['11日',null,158,142,158],
['12日',null,null,133,136],
['13日',null,183,126,183],
['14日',null,220,99,null],
['15日',null,264,79,null],
['16日',null,73,74,73],
['17日',null,100,111,100],
['18日',null,203,154,null],
['19日',null,194,81,194],
['20日',null,187,43,187],
['21日',null,237,49,null],
['22日',null,239,88,null],
['23日',null,335,117,null],
['24日',null,147,117,147],
['25日',null,null,121,157],
['26日',null,null,131,165],
['27日',180,null,180,98],
['28日',206,null,null,104],
['29日',131,null,131,186],
['30日',null,98,167,98],
['31日',null,null,173,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)
      }
    });
  }

});