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,115],
['2日',null,null,null,85],
['3日',38,null,38,87],
['4日',null,null,57,150],
['5日',null,null,77,158],
['6日',null,null,86,193],
['7日',null,185,105,185],
['8日',null,213,99,null],
['9日',null,174,130,174],
['10日',null,218,139,null],
['11日',null,156,148,156],
['12日',162,null,162,176],
['13日',201,189,null,189],
['14日',56,223,56,null],
['15日',null,236,58,null],
['16日',null,299,95,null],
['17日',null,271,128,null],
['18日',null,87,165,87],
['19日',195,null,195,91],
['20日',213,null,null,122],
['21日',185,165,185,165],
['22日',207,206,null,null],
['23日',228,211,null,null],
['24日',202,224,null,null],
['25日',201,151,null,151],
['26日',240,null,null,151],
['27日',255,null,null,179],
['28日',40,187,40,187],
['29日',null,233,51,null],
['30日',null,252,84,null],
['31日',null,null,106,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:300},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=2;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});