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,211,170,null],
['2日',null,278,192,null],
['3日',197,283,197,null],
['4日',207,257,null,null],
['5日',144,275,144,null],
['6日',null,263,149,null],
['7日',199,265,199,null],
['8日',227,256,null,null],
['9日',217,228,null,null],
['10日',249,224,null,null],
['11日',204,249,null,null],
['12日',271,231,null,null],
['13日',239,215,null,null],
['14日',215,248,null,null],
['15日',224,206,null,null],
['16日',217,234,null,null],
['17日',221,187,null,187],
['18日',185,242,185,null],
['19日',213,239,null,null],
['20日',255,null,null,null],
['21日',269,null,null,null],
['22日',231,null,null,null],
['23日',234,null,null,null],
['24日',207,null,null,null],
['25日',218,null,null,null],
['26日',256,null,null,null],
['27日',200,null,200,null],
['28日',226,null,null,null],
['29日',254,null,null,null],
['30日',248,null,null,null],
['31日',null,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5月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:300},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=19 -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)
      }
    });
  }

});