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,229,null,null],
['2日',null,378,null,null],
['3日',327,265,null,null],
['4日',327,295,null,null],
['5日',341,333,null,null],
['6日',316,404,null,null],
['7日',100,415,100,null],
['8日',146,467,146,null],
['9日',227,176,null,176],
['10日',287,188,null,188],
['11日',324,224,null,null],
['12日',366,306,null,null],
['13日',318,234,null,null],
['14日',281,227,null,null],
['15日',338,227,null,null],
['16日',373,169,null,169],
['17日',339,215,null,null],
['18日',261,272,null,null],
['19日',27,343,27,null],
['20日',null,381,36,null],
['21日',null,386,59,null],
['22日',null,383,90,null],
['23日',null,395,146,null],
['24日',null,418,165,null],
['25日',null,31,181,31],
['26日',199,null,199,49],
['27日',216,null,null,89],
['28日',207,null,null,133],
['29日',223,183,null,183],
['30日',254,220,null,null],
['31日',242,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)
      }
    });
  }

});