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',179,185,179,185],
['2日',217,211,null,null],
['3日',200,165,200,165],
['4日',218,209,null,null],
['5日',222,217,null,null],
['6日',218,230,null,null],
['7日',211,225,null,null],
['8日',211,211,null,null],
['9日',200,203,200,null],
['10日',198,201,198,null],
['11日',208,215,null,null],
['12日',211,232,null,null],
['13日',212,217,null,null],
['14日',191,211,191,null],
['15日',190,193,190,193],
['16日',229,206,null,null],
['17日',213,190,null,190],
['18日',225,null,null,199],
['19日',178,190,178,190],
['20日',202,203,null,null],
['21日',191,208,191,null],
['22日',206,209,null,null],
['23日',150,212,150,null],
['24日',null,207,157,null],
['25日',null,171,191,171],
['26日',null,null,146,109],
['27日',177,128,177,128],
['28日',202,208,null,null],
['29日',233,170,null,170],
['30日',167,193,167,193],
['31日',null,null,126,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:250},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)
      }
    });
  }

});