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',352,205,null,null],
['2日',177,56,177,56],
['3日',222,null,null,83],
['4日',258,null,null,114],
['5日',279,null,null,153],
['6日',260,null,null,144],
['7日',230,null,null,168],
['8日',288,null,null,151],
['9日',210,null,null,133],
['10日',191,null,191,155],
['11日',246,null,null,125],
['12日',150,null,150,165],
['13日',217,null,null,150],
['14日',268,null,null,170],
['15日',319,null,null,173],
['16日',364,null,null,91],
['17日',324,null,null,143],
['18日',314,null,null,75],
['19日',155,null,155,104],
['20日',252,null,null,138],
['21日',346,170,null,170],
['22日',354,201,null,null],
['23日',300,129,null,129],
['24日',305,163,null,163],
['25日',327,232,null,null],
['26日',345,141,null,141],
['27日',268,null,null,134],
['28日',318,null,null,139],
['29日',100,null,100,151],
['30日',null,163,120,163],
['31日',null,null,156,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:400},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)
      }
    });
  }

});