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',188,175,188,175],
['2日',218,251,null,null],
['3日',213,289,null,null],
['4日',246,190,null,190],
['5日',244,164,null,164],
['6日',249,236,null,null],
['7日',255,158,null,158],
['8日',228,214,null,null],
['9日',135,236,135,null],
['10日',218,276,null,null],
['11日',103,295,103,null],
['12日',151,42,151,42],
['13日',218,null,null,58],
['14日',235,null,null,87],
['15日',229,null,null,115],
['16日',209,165,null,165],
['17日',190,210,190,null],
['18日',195,226,195,null],
['19日',217,219,null,null],
['20日',203,203,null,null],
['21日',195,205,195,null],
['22日',null,218,198,null],
['23日',194,210,194,null],
['24日',239,218,null,null],
['25日',236,205,null,null],
['26日',335,300,null,null],
['27日',249,296,null,null],
['28日',322,204,null,null],
['29日',373,11,null,11],
['30日',171,22,171,22],
['31日',201,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:400},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)
      }
    });
  }

});