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,175,null,175],
['2日',null,281,null,null],
['3日',355,344,null,null],
['4日',371,356,null,null],
['5日',354,460,null,null],
['6日',320,492,null,null],
['7日',254,373,null,null],
['8日',163,325,163,null],
['9日',219,354,null,null],
['10日',399,235,null,null],
['11日',265,269,null,null],
['12日',352,343,null,null],
['13日',426,322,null,null],
['14日',535,339,null,null],
['15日',559,242,null,null],
['16日',581,335,null,null],
['17日',561,496,null,null],
['18日',507,549,null,null],
['19日',443,252,null,null],
['20日',536,153,null,153],
['21日',775,160,null,160],
['22日',275,221,null,null],
['23日',317,251,null,null],
['24日',383,243,null,null],
['25日',405,169,null,169],
['26日',503,276,null,null],
['27日',576,415,null,null],
['28日',589,280,null,null],
['29日',552,342,null,null],
['30日',546,100,null,100],
['31日',513,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:800},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=4;

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

});