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',276,186,null,186],
['2日',214,286,null,null],
['3日',148,203,148,null],
['4日',250,125,null,125],
['5日',267,null,null,126],
['6日',215,null,null,142],
['7日',94,null,94,109],
['8日',185,196,185,196],
['9日',216,219,null,null],
['10日',286,225,null,null],
['11日',364,255,null,null],
['12日',365,301,null,null],
['13日',388,248,null,null],
['14日',360,269,null,null],
['15日',208,254,null,null],
['16日',265,233,null,null],
['17日',268,338,null,null],
['18日',290,311,null,null],
['19日',285,329,null,null],
['20日',278,321,null,null],
['21日',258,343,null,null],
['22日',234,326,null,null],
['23日',281,257,null,null],
['24日',218,287,null,null],
['25日',174,238,174,null],
['26日',null,301,173,null],
['27日',null,324,145,null],
['28日',null,305,152,null],
['29日',170,280,170,null],
['30日',260,272,null,null],
['31日',260,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:400},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)
      }
    });
  }

});