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,277,null,null],
['2日',null,211,null,null],
['3日',null,269,null,null],
['4日',null,213,null,null],
['5日',null,142,null,142],
['6日',null,166,null,166],
['7日',null,232,null,null],
['8日',null,133,null,133],
['9日',null,193,null,193],
['10日',null,284,null,null],
['11日',null,137,null,137],
['12日',null,null,null,168],
['13日',null,null,null,159],
['14日',null,null,null,147],
['15日',null,153,null,153],
['16日',null,203,null,null],
['17日',null,224,null,null],
['18日',null,174,null,174],
['19日',null,218,null,null],
['20日',null,224,null,null],
['21日',null,244,null,null],
['22日',null,187,null,187],
['23日',null,210,null,null],
['24日',176,221,176,null],
['25日',null,162,181,162],
['26日',null,238,152,null],
['27日',165,191,165,191],
['28日',213,260,null,null],
['29日',227,198,null,198],
['30日',null,null,null,117],
['31日',null,null,null,137]
        ]);
  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3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=31 -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)
      }
    });
  }

});