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',222,321,null,null],
['2日',102,50,102,50],
['3日',null,null,116,44],
['4日',192,null,192,78],
['5日',245,null,null,114],
['6日',295,null,null,160],
['7日',359,null,null,174],
['8日',419,199,null,199],
['9日',459,226,null,null],
['10日',361,285,null,null],
['11日',475,299,null,null],
['12日',556,271,null,null],
['13日',467,208,null,null],
['14日',425,196,null,196],
['15日',486,229,null,null],
['16日',693,194,null,194],
['17日',421,180,null,180],
['18日',482,231,null,null],
['19日',34,255,34,null],
['20日',null,342,42,null],
['21日',null,292,67,null],
['22日',null,286,114,null],
['23日',null,335,151,null],
['24日',191,317,191,null],
['25日',239,342,null,null],
['26日',245,326,null,null],
['27日',214,21,null,21],
['28日',244,null,null,27],
['29日',246,null,null,60],
['30日',233,84,null,84],
['31日',296,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:700},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)
      }
    });
  }

});