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',241,208,null,null],
['2日',175,203,175,null],
['3日',null,185,185,185],
['4日',null,null,189,170],
['5日',null,null,199,163],
['6日',null,null,131,188],
['7日',null,null,146,168],
['8日',193,164,193,164],
['9日',213,201,null,null],
['10日',246,228,null,null],
['11日',249,200,null,200],
['12日',186,null,186,158],
['13日',null,null,189,164],
['14日',null,null,183,150],
['15日',null,null,181,128],
['16日',null,null,191,191],
['17日',null,null,145,158],
['18日',null,null,154,133],
['19日',null,null,148,199],
['20日',null,null,108,135],
['21日',null,156,100,156],
['22日',null,211,150,null],
['23日',null,163,157,163],
['24日',null,145,185,145],
['25日',173,214,173,null],
['26日',211,219,null,null],
['27日',187,214,187,null],
['28日',174,182,174,182],
['29日',210,null,null,153],
['30日',230,164,null,164],
['31日',204,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:250},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)
      }
    });
  }

});