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',409,317,null,null],
['2日',191,112,191,112],
['3日',218,null,null,128],
['4日',267,null,null,184],
['5日',135,null,135,157],
['6日',172,193,172,193],
['7日',212,218,null,null],
['8日',251,230,null,null],
['9日',271,341,null,null],
['10日',249,255,null,null],
['11日',65,304,65,null],
['12日',null,350,93,null],
['13日',151,208,151,null],
['14日',209,264,null,null],
['15日',290,23,null,23],
['16日',320,null,null,43],
['17日',386,null,null,76],
['18日',99,null,99,118],
['19日',null,null,146,118],
['20日',195,null,195,176],
['21日',232,null,null,182],
['22日',285,null,null,189],
['23日',303,null,null,80],
['24日',207,null,null,111],
['25日',60,182,60,182],
['26日',null,218,114,null],
['27日',177,223,177,null],
['28日',216,127,null,127],
['29日',297,null,null,120],
['30日',325,190,null,190],
['31日',317,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=4;

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

});