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,null,178],
['2日',null,184,null,184],
['3日',null,217,null,null],
['4日',160,218,160,null],
['5日',null,207,186,null],
['6日',197,206,197,null],
['7日',201,162,null,162],
['8日',211,null,null,156],
['9日',186,188,186,188],
['10日',null,215,180,null],
['11日',174,216,174,null],
['12日',205,207,null,null],
['13日',209,204,null,null],
['14日',210,196,null,196],
['15日',211,203,null,null],
['16日',203,209,null,null],
['17日',190,205,190,null],
['18日',null,198,170,198],
['19日',197,204,197,null],
['20日',213,190,null,190],
['21日',220,null,null,156],
['22日',217,195,null,195],
['23日',216,232,null,null],
['24日',185,201,185,null],
['25日',208,213,null,null],
['26日',204,205,null,null],
['27日',211,205,null,null],
['28日',212,183,null,183],
['29日',217,190,null,190],
['30日',210,211,null,null],
['31日',179,null,179,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=2;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});