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',309,425,null,null],
['2日',142,58,142,58],
['3日',137,null,137,135],
['4日',201,181,null,181],
['5日',253,256,null,null],
['6日',230,358,null,null],
['7日',254,425,null,null],
['8日',327,432,null,null],
['9日',327,486,null,null],
['10日',359,351,null,null],
['11日',281,355,null,null],
['12日',303,422,null,null],
['13日',316,333,null,null],
['14日',28,387,28,null],
['15日',null,364,82,null],
['16日',null,242,144,null],
['17日',197,242,197,null],
['18日',289,276,null,null],
['19日',291,161,null,161],
['20日',347,260,null,null],
['21日',243,356,null,null],
['22日',93,437,93,null],
['23日',169,338,169,null],
['24日',206,68,null,68],
['25日',184,102,184,102],
['26日',325,203,null,null],
['27日',228,306,null,null],
['28日',303,372,null,null],
['29日',404,388,null,null],
['30日',458,322,null,null],
['31日',395,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:500},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)
      }
    });
  }

});