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',257,193,null,193],
['2日',132,223,132,null],
['3日',null,223,80,null],
['4日',null,148,69,148],
['5日',null,null,72,155],
['6日',null,null,75,142],
['7日',123,null,123,126],
['8日',222,null,null,122],
['9日',209,null,null,126],
['10日',138,null,138,117],
['11日',null,163,116,163],
['12日',null,203,120,null],
['13日',null,222,123,null],
['14日',null,199,129,199],
['15日',null,210,111,null],
['16日',null,118,139,118],
['17日',null,null,131,103],
['18日',null,null,124,100],
['19日',null,null,137,115],
['20日',null,null,160,95],
['21日',null,null,131,145],
['22日',135,null,135,147],
['23日',210,null,null,180],
['24日',236,null,null,153],
['25日',219,null,null,171],
['26日',246,null,null,152],
['27日',228,null,null,142],
['28日',208,null,null,163],
['29日',190,null,190,180],
['30日',194,169,194,169],
['31日',221,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: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=4;

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

});