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,346,133,null],
['2日',null,284,150,null],
['3日',189,277,189,null],
['4日',219,313,null,null],
['5日',197,357,197,null],
['6日',123,328,123,null],
['7日',276,129,null,129],
['8日',199,163,199,163],
['9日',null,230,96,null],
['10日',121,203,121,null],
['11日',255,213,null,null],
['12日',202,319,null,null],
['13日',315,215,null,null],
['14日',316,290,null,null],
['15日',294,268,null,null],
['16日',337,210,null,null],
['17日',377,274,null,null],
['18日',453,253,null,null],
['19日',175,341,175,null],
['20日',339,331,null,null],
['21日',202,226,null,null],
['22日',172,285,172,null],
['23日',244,221,null,null],
['24日',293,282,null,null],
['25日',264,244,null,null],
['26日',403,182,null,182],
['27日',240,null,null,162],
['28日',257,143,null,143],
['29日',202,206,null,null],
['30日',286,168,null,168],
['31日',212,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:500},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)
      }
    });
  }

});