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,209,154,null],
['2日',null,135,117,135],
['3日',null,null,128,137],
['4日',null,null,147,156],
['5日',172,189,172,189],
['6日',210,244,null,null],
['7日',185,279,185,null],
['8日',182,49,182,49],
['9日',215,null,null,24],
['10日',228,null,null,30],
['11日',238,null,null,44],
['12日',79,null,79,73],
['13日',null,null,88,97],
['14日',null,null,119,99],
['15日',null,null,146,114],
['16日',172,null,172,84],
['17日',201,null,null,64],
['18日',208,null,null,75],
['19日',123,null,123,98],
['20日',null,null,169,130],
['21日',179,null,179,127],
['22日',224,null,null,146],
['23日',254,null,null,43],
['24日',250,null,null,45],
['25日',248,null,null,60],
['26日',55,null,55,84],
['27日',null,null,57,100],
['28日',null,null,89,113],
['29日',null,null,139,131],
['30日',null,147,185,147],
['31日',null,null,192,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:300},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)
      }
    });
  }

});