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',228,217,null,null],
['2日',213,201,null,null],
['3日',238,227,null,null],
['4日',216,213,null,null],
['5日',239,216,null,null],
['6日',239,228,null,null],
['7日',126,183,126,183],
['8日',null,206,144,null],
['9日',null,221,161,null],
['10日',null,215,182,null],
['11日',null,208,182,null],
['12日',189,210,189,null],
['13日',207,172,null,172],
['14日',209,null,null,178],
['15日',208,181,null,181],
['16日',211,203,null,null],
['17日',195,200,195,200],
['18日',206,203,null,null],
['19日',174,160,174,160],
['20日',205,208,null,null],
['21日',195,203,195,null],
['22日',209,204,null,null],
['23日',181,219,181,null],
['24日',205,230,null,null],
['25日',229,221,null,null],
['26日',203,220,null,null],
['27日',222,189,null,189],
['28日',214,230,null,null],
['29日',202,186,null,186],
['30日',155,178,155,178],
['31日',202,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)
      }
    });
  }

});