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,null,131,160],
['2日',null,null,163,179],
['3日',null,null,147,167],
['4日',null,173,178,173],
['5日',null,237,171,null],
['6日',199,229,199,null],
['7日',203,277,null,null],
['8日',105,306,105,null],
['9日',null,249,123,null],
['10日',null,186,165,186],
['11日',166,208,166,null],
['12日',205,194,null,194],
['13日',181,224,181,null],
['14日',180,277,180,null],
['15日',237,225,null,null],
['16日',265,133,null,133],
['17日',262,210,null,null],
['18日',230,91,null,91],
['19日',127,145,127,145],
['20日',153,205,153,null],
['21日',241,268,null,null],
['22日',235,219,null,null],
['23日',226,128,null,128],
['24日',204,null,null,149],
['25日',223,null,null,177],
['26日',181,null,181,133],
['27日',null,null,188,191],
['28日',null,177,198,177],
['29日',null,249,63,null],
['30日',null,199,78,199],
['31日',null,null,130,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)
      }
    });
  }

});