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,151],
['2日',null,null,null,182],
['3日',186,null,186,155],
['4日',null,null,174,138],
['5日',null,null,167,191],
['6日',null,null,174,169],
['7日',null,null,168,151],
['8日',null,183,174,183],
['9日',null,225,162,null],
['10日',null,221,161,null],
['11日',null,218,162,null],
['12日',null,226,176,null],
['13日',null,202,164,null],
['14日',176,195,176,195],
['15日',210,173,null,173],
['16日',171,218,171,null],
['17日',null,219,191,null],
['18日',null,222,167,null],
['19日',null,238,183,null],
['20日',196,197,196,197],
['21日',201,183,null,183],
['22日',213,211,null,null],
['23日',171,190,171,190],
['24日',null,181,161,181],
['25日',null,207,187,null],
['26日',null,231,200,null],
['27日',null,189,200,189],
['28日',188,166,188,166],
['29日',211,207,null,null],
['30日',207,207,null,null],
['31日',154,null,154,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)
      }
    });
  }

});