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,171,null,171],
['2日',257,221,null,null],
['3日',208,306,null,null],
['4日',234,322,null,null],
['5日',254,320,null,null],
['6日',275,251,null,null],
['7日',278,228,null,null],
['8日',317,211,null,null],
['9日',302,231,null,null],
['10日',226,233,null,null],
['11日',207,254,null,null],
['12日',218,230,null,null],
['13日',231,297,null,null],
['14日',217,227,null,null],
['15日',259,207,null,null],
['16日',230,220,null,null],
['17日',183,276,183,null],
['18日',202,253,null,null],
['19日',178,322,178,null],
['20日',243,325,null,null],
['21日',235,253,null,null],
['22日',201,277,null,null],
['23日',206,307,null,null],
['24日',184,211,184,null],
['25日',null,133,179,133],
['26日',173,173,173,173],
['27日',210,203,null,null],
['28日',226,203,null,null],
['29日',245,155,null,155],
['30日',278,209,null,null],
['31日',245,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=2;

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

});