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,null,null,151],
['2日',null,160,null,160],
['3日',null,214,null,null],
['4日',94,266,94,null],
['5日',126,213,126,null],
['6日',210,264,null,null],
['7日',198,253,198,null],
['8日',null,269,110,null],
['9日',null,295,182,null],
['10日',128,434,128,null],
['11日',204,235,null,null],
['12日',261,209,null,null],
['13日',309,313,null,null],
['14日',67,333,67,null],
['15日',null,332,83,null],
['16日',null,463,149,null],
['17日',184,450,184,null],
['18日',228,111,null,111],
['19日',257,157,null,157],
['20日',296,213,null,null],
['21日',213,276,null,null],
['22日',350,222,null,null],
['23日',360,233,null,null],
['24日',377,221,null,null],
['25日',288,189,null,189],
['26日',328,212,null,null],
['27日',340,312,null,null],
['28日',45,321,45,null],
['29日',null,467,84,null],
['30日',153,404,153,null],
['31日',217,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)
      }
    });
  }

});