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,213,null,null],
['2日',60,248,60,null],
['3日',null,197,104,197],
['4日',null,null,165,177],
['5日',null,null,161,106],
['6日',null,null,174,49],
['7日',null,null,93,74],
['8日',null,null,94,36],
['9日',null,null,95,47],
['10日',null,null,133,64],
['11日',null,null,110,51],
['12日',null,null,125,113],
['13日',null,158,185,158],
['14日',170,215,170,null],
['15日',252,185,null,185],
['16日',203,172,null,172],
['17日',63,202,63,null],
['18日',null,208,91,null],
['19日',null,220,166,null],
['20日',null,174,164,174],
['21日',null,null,70,55],
['22日',null,null,80,83],
['23日',125,null,125,78],
['24日',210,null,null,105],
['25日',183,137,183,137],
['26日',152,247,152,null],
['27日',202,207,null,null],
['28日',174,158,174,158],
['29日',233,null,null,150],
['30日',152,186,152,186],
['31日',241,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: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)
      }
    });
  }

});