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,211,null,null],
['2日',null,200,null,200],
['3日',199,null,199,196],
['4日',null,null,184,194],
['5日',null,null,174,182],
['6日',null,null,168,194],
['7日',null,null,182,179],
['8日',null,null,200,190],
['9日',null,null,197,191],
['10日',null,192,174,192],
['11日',null,217,178,null],
['12日',null,226,182,null],
['13日',183,153,183,153],
['14日',205,null,null,153],
['15日',160,null,160,161],
['16日',null,null,180,195],
['17日',null,192,172,192],
['18日',null,216,181,null],
['19日',187,225,187,null],
['20日',201,214,null,null],
['21日',194,217,194,null],
['22日',218,216,null,null],
['23日',189,216,189,null],
['24日',null,143,171,143],
['25日',null,null,173,152],
['26日',null,186,185,186],
['27日',null,205,166,null],
['28日',185,199,185,199],
['29日',206,null,null,186],
['30日',215,172,null,172],
['31日',207,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)
      }
    });
  }

});