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,234,60,null],
['2日',null,189,74,189],
['3日',null,163,99,163],
['4日',null,206,120,null],
['5日',null,233,131,null],
['6日',null,209,96,null],
['7日',null,218,113,null],
['8日',null,239,135,null],
['9日',null,254,135,null],
['10日',null,209,142,null],
['11日',null,232,164,null],
['12日',null,261,179,null],
['13日',182,230,182,null],
['14日',229,202,null,null],
['15日',245,229,null,null],
['16日',224,244,null,null],
['17日',223,107,null,107],
['18日',218,133,null,133],
['19日',225,206,null,null],
['20日',42,261,42,null],
['21日',null,280,68,null],
['22日',null,252,116,null],
['23日',null,308,184,null],
['24日',171,246,171,null],
['25日',204,251,null,null],
['26日',235,273,null,null],
['27日',201,199,null,199],
['28日',214,180,null,180],
['29日',213,202,null,null],
['30日',230,196,null,196],
['31日',211,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: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)
      }
    });
  }

});