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,80],
['2日',null,null,null,83],
['3日',89,null,89,94],
['4日',null,null,84,107],
['5日',null,null,92,112],
['6日',null,null,108,113],
['7日',null,null,113,106],
['8日',null,null,104,100],
['9日',null,null,97,101],
['10日',null,null,97,105],
['11日',null,null,95,109],
['12日',null,null,96,104],
['13日',null,null,97,95],
['14日',null,null,101,98],
['15日',null,null,98,88],
['16日',null,null,94,91],
['17日',null,null,80,97],
['18日',null,null,78,100],
['19日',null,null,82,100],
['20日',null,null,95,100],
['21日',null,null,93,89],
['22日',null,null,97,88],
['23日',null,null,96,82],
['24日',null,null,90,93],
['25日',null,null,90,100],
['26日',null,null,89,99],
['27日',null,null,104,96],
['28日',null,null,99,81],
['29日',null,null,101,82],
['30日',null,87,100,87],
['31日',null,null,86,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:150},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)
      }
    });
  }

});