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,131,125],
['2日',null,93,123,93],
['3日',null,209,174,null],
['4日',172,187,172,187],
['5日',222,null,null,142],
['6日',194,null,194,161],
['7日',241,null,null,145],
['8日',230,null,null,179],
['9日',222,null,null,134],
['10日',349,null,null,156],
['11日',312,null,null,111],
['12日',116,189,116,189],
['13日',null,266,163,null],
['14日',159,267,159,null],
['15日',201,333,null,null],
['16日',141,297,141,null],
['17日',193,242,193,null],
['18日',216,207,null,null],
['19日',161,247,161,null],
['20日',null,228,135,null],
['21日',null,null,156,null],
['22日',145,null,145,null],
['23日',231,null,null,null],
['24日',280,null,null,null],
['25日',160,null,160,null],
['26日',null,null,184,null],
['27日',null,null,192,null],
['28日',178,null,178,null],
['29日',229,null,null,null],
['30日',187,null,187,null],
['31日',null,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5月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:350},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=20 -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)
      }
    });
  }

});