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,426,183,null],
['2日',null,377,130,null],
['3日',198,327,198,null],
['4日',220,340,null,null],
['5日',266,385,null,null],
['6日',248,361,null,null],
['7日',261,379,null,null],
['8日',249,311,null,null],
['9日',246,444,null,null],
['10日',296,531,null,null],
['11日',308,404,null,null],
['12日',358,201,null,null],
['13日',310,190,null,190],
['14日',371,250,null,null],
['15日',397,277,null,null],
['16日',337,332,null,null],
['17日',309,317,null,null],
['18日',277,363,null,null],
['19日',355,69,null,69],
['20日',461,129,null,129],
['21日',448,230,null,null],
['22日',267,314,null,null],
['23日',338,355,null,null],
['24日',396,355,null,null],
['25日',415,329,null,null],
['26日',410,132,null,132],
['27日',364,148,null,148],
['28日',492,227,null,null],
['29日',258,271,null,null],
['30日',249,324,null,null],
['31日',347,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:600},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)
      }
    });
  }

});