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',310,214,null,null],
['2日',245,207,null,null],
['3日',244,228,null,null],
['4日',248,217,null,null],
['5日',296,201,null,null],
['6日',306,200,null,200],
['7日',214,213,null,null],
['8日',240,168,null,168],
['9日',269,null,null,124],
['10日',164,null,164,113],
['11日',165,176,165,176],
['12日',210,202,null,null],
['13日',230,179,null,179],
['14日',228,205,null,null],
['15日',239,185,null,185],
['16日',257,158,null,158],
['17日',201,211,null,null],
['18日',270,203,null,null],
['19日',236,206,null,null],
['20日',238,211,null,null],
['21日',262,null,null,null],
['22日',249,null,null,null],
['23日',283,null,null,null],
['24日',228,null,null,null],
['25日',243,null,null,null],
['26日',265,null,null,null],
['27日',287,null,null,null],
['28日',267,null,null,null],
['29日',252,null,null,null],
['30日',247,null,null,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)
      }
    });
  }

});