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',180,206,180,null],
['2日',218,210,null,null],
['3日',181,211,181,null],
['4日',null,134,197,134],
['5日',null,null,188,129],
['6日',null,null,174,135],
['7日',null,null,139,169],
['8日',169,null,169,154],
['9日',214,null,null,183],
['10日',213,null,null,166],
['11日',206,null,null,198],
['12日',162,null,162,194],
['13日',233,null,null,156],
['14日',164,null,164,119],
['15日',149,null,149,136],
['16日',213,null,null,160],
['17日',195,null,195,186],
['18日',191,null,191,173],
['19日',222,null,null,159],
['20日',242,null,null,155],
['21日',287,null,null,137],
['22日',142,null,142,162],
['23日',211,null,null,197],
['24日',173,null,173,197],
['25日',null,null,183,183],
['26日',null,null,195,177],
['27日',null,null,177,132],
['28日',null,null,173,108],
['29日',null,null,147,131],
['30日',null,157,184,157],
['31日',null,null,146,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: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=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)
      }
    });
  }

});