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,213,null,null],
['2日',214,208,null,null],
['3日',218,216,null,null],
['4日',210,219,null,null],
['5日',192,225,192,null],
['6日',211,216,null,null],
['7日',206,184,null,184],
['8日',214,207,null,null],
['9日',214,206,null,null],
['10日',224,224,null,null],
['11日',203,168,null,168],
['12日',192,null,192,193],
['13日',180,178,180,178],
['14日',202,202,null,null],
['15日',209,209,null,null],
['16日',205,201,null,null],
['17日',194,205,194,null],
['18日',203,202,null,null],
['19日',211,216,null,null],
['20日',231,192,null,192],
['21日',220,212,null,null],
['22日',213,186,null,186],
['23日',204,213,null,null],
['24日',195,187,195,187],
['25日',196,194,196,194],
['26日',207,202,null,null],
['27日',174,184,174,184],
['28日',null,null,176,190],
['29日',192,192,192,192],
['30日',218,204,null,null],
['31日',222,null,null,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:250},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)
      }
    });
  }

});