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',227,349,null,null],
['2日',314,341,null,null],
['3日',285,412,null,null],
['4日',415,328,null,null],
['5日',589,236,null,null],
['6日',378,262,null,null],
['7日',312,325,null,null],
['8日',289,314,null,null],
['9日',229,293,null,null],
['10日',252,380,null,null],
['11日',333,367,null,null],
['12日',508,324,null,null],
['13日',516,347,null,null],
['14日',585,327,null,null],
['15日',522,245,null,null],
['16日',380,292,null,null],
['17日',466,434,null,null],
['18日',344,470,null,null],
['19日',349,485,null,null],
['20日',244,541,null,null],
['21日',325,412,null,null],
['22日',383,442,null,null],
['23日',234,469,null,null],
['24日',211,521,null,null],
['25日',275,624,null,null],
['26日',316,598,null,null],
['27日',382,210,null,null],
['28日',374,292,null,null],
['29日',290,429,null,null],
['30日',305,645,null,null],
['31日',315,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:700},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=2;

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

});