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,130],
['2日',null,null,null,147],
['3日',null,182,null,182],
['4日',139,205,139,null],
['5日',181,122,181,122],
['6日',234,null,null,108],
['7日',271,null,null,118],
['8日',251,null,null,126],
['9日',130,null,130,151],
['10日',null,null,115,178],
['11日',null,null,112,194],
['12日',null,null,148,188],
['13日',155,null,155,158],
['14日',218,null,null,123],
['15日',206,null,null,141],
['16日',143,179,143,179],
['17日',null,203,110,null],
['18日',null,219,113,null],
['19日',null,320,191,null],
['20日',195,107,195,107],
['21日',217,null,null,100],
['22日',305,null,null,113],
['23日',188,null,188,148],
['24日',null,null,126,190],
['25日',133,139,133,139],
['26日',201,226,null,null],
['27日',211,140,null,140],
['28日',242,null,null,106],
['29日',268,null,null,124],
['30日',169,164,169,164],
['31日',null,null,134,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:350},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)
      }
    });
  }

});