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,165,null,165],
['2日',null,202,null,null],
['3日',79,223,79,null],
['4日',null,108,94,108],
['5日',136,null,136,152],
['6日',210,null,null,130],
['7日',188,null,188,78],
['8日',206,null,null,114],
['9日',220,144,null,144],
['10日',99,208,99,null],
['11日',165,172,165,172],
['12日',222,null,null,174],
['13日',212,null,null,132],
['14日',223,null,null,107],
['15日',176,null,176,108],
['16日',209,null,null,135],
['17日',166,null,166,134],
['18日',null,null,195,131],
['19日',113,null,113,193],
['20日',210,null,null,99],
['21日',214,null,null,90],
['22日',217,null,null,116],
['23日',310,null,null,116],
['24日',248,null,null,128],
['25日',225,null,null,123],
['26日',230,null,null,190],
['27日',220,null,null,194],
['28日',190,null,190,122],
['29日',195,null,195,173],
['30日',211,178,null,178],
['31日',112,null,112,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)
      }
    });
  }

});