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,126,null,126],
['2日',70,213,70,null],
['3日',null,224,78,null],
['4日',null,167,126,167],
['5日',null,null,139,187],
['6日',null,179,173,179],
['7日',null,207,131,null],
['8日',null,259,115,null],
['9日',146,247,146,null],
['10日',216,338,null,null],
['11日',281,229,null,null],
['12日',325,232,null,null],
['13日',258,106,null,106],
['14日',324,null,null,125],
['15日',264,178,null,178],
['16日',65,227,65,null],
['17日',null,205,83,null],
['18日',153,174,153,174],
['19日',206,null,null,188],
['20日',179,null,179,74],
['21日',188,163,188,163],
['22日',217,219,null,null],
['23日',115,142,115,142],
['24日',166,184,166,184],
['25日',210,203,null,null],
['26日',224,199,null,199],
['27日',285,null,null,52],
['28日',225,null,null,66],
['29日',281,null,null,125],
['30日',57,159,57,159],
['31日',null,null,90,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:350},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)
      }
    });
  }

});