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',223,201,null,null],
['2日',190,191,190,191],
['3日',212,null,null,141],
['4日',200,197,200,197],
['5日',212,206,null,null],
['6日',173,191,173,191],
['7日',null,187,185,187],
['8日',136,244,136,null],
['9日',212,249,null,null],
['10日',105,204,105,null],
['11日',null,240,95,null],
['12日',null,262,171,null],
['13日',176,250,176,null],
['14日',243,177,null,177],
['15日',280,190,null,190],
['16日',258,239,null,null],
['17日',202,126,null,126],
['18日',221,173,null,173],
['19日',218,215,null,null],
['20日',157,157,157,157],
['21日',193,null,193,193],
['22日',249,184,null,184],
['23日',217,221,null,null],
['24日',256,153,null,153],
['25日',233,203,null,null],
['26日',224,198,null,198],
['27日',166,203,166,null],
['28日',214,172,null,172],
['29日',241,216,null,null],
['30日',236,224,null,null],
['31日',215,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=2;

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

});