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,null,56],
['2日',74,null,74,68],
['3日',null,null,75,71],
['4日',null,null,47,75],
['5日',null,null,66,78],
['6日',null,null,70,75],
['7日',null,null,76,71],
['8日',null,null,73,75],
['9日',null,null,76,68],
['10日',null,null,62,77],
['11日',null,null,55,71],
['12日',null,null,69,92],
['13日',null,null,65,87],
['14日',null,null,60,65],
['15日',null,null,65,58],
['16日',null,null,73,81],
['17日',null,null,54,92],
['18日',null,null,63,64],
['19日',null,null,78,72],
['20日',null,null,68,68],
['21日',null,null,58,57],
['22日',null,null,69,49],
['23日',null,null,72,53],
['24日',null,null,66,59],
['25日',null,null,60,48],
['26日',null,null,64,71],
['27日',null,null,55,56],
['28日',null,null,66,51],
['29日',null,null,63,46],
['30日',null,63,62,63],
['31日',null,null,55,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:100},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)
      }
    });
  }

});