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,144],
['2日',null,null,null,162],
['3日',null,183,null,183],
['4日',null,220,null,null],
['5日',null,210,null,null],
['6日',null,215,null,null],
['7日',230,189,null,189],
['8日',178,null,178,163],
['9日',226,null,null,184],
['10日',212,199,null,199],
['11日',187,201,187,null],
['12日',167,196,167,196],
['13日',201,201,null,null],
['14日',207,176,null,176],
['15日',203,null,null,160],
['16日',185,169,185,169],
['17日',null,214,181,null],
['18日',182,207,182,null],
['19日',204,212,null,null],
['20日',204,203,null,null],
['21日',207,190,null,190],
['22日',208,null,null,172],
['23日',174,180,174,180],
['24日',null,217,168,null],
['25日',null,202,157,null],
['26日',187,215,187,null],
['27日',203,178,null,178],
['28日',221,null,null,135],
['29日',224,null,null,128],
['30日',216,165,null,165],
['31日',166,null,166,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)
      }
    });
  }

});