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,252,null,null],
['2日',270,94,null,94],
['3日',344,147,null,147],
['4日',348,244,null,null],
['5日',60,248,60,null],
['6日',null,259,112,null],
['7日',163,258,163,null],
['8日',214,280,null,null],
['9日',236,111,null,111],
['10日',267,200,null,200],
['11日',281,257,null,null],
['12日',142,146,142,146],
['13日',226,null,null,100],
['14日',314,188,null,188],
['15日',319,223,null,null],
['16日',228,121,null,121],
['17日',268,167,null,167],
['18日',302,227,null,null],
['19日',181,248,181,null],
['20日',213,209,null,null],
['21日',263,284,null,null],
['22日',224,329,null,null],
['23日',222,113,null,113],
['24日',257,160,null,160],
['25日',296,236,null,null],
['26日',70,108,70,108],
['27日',null,null,94,89],
['28日',140,null,140,135],
['29日',236,null,null,197],
['30日',239,131,null,131],
['31日',285,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)
      }
    });
  }

});