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',349,null,null,178],
['2日',359,null,null,154],
['3日',373,null,null,74],
['4日',355,null,null,104],
['5日',448,null,null,143],
['6日',49,173,49,173],
['7日',null,237,65,null],
['8日',null,278,100,null],
['9日',null,268,137,null],
['10日',null,318,153,null],
['11日',null,277,156,null],
['12日',178,256,178,null],
['13日',207,272,null,null],
['14日',159,275,159,null],
['15日',206,292,null,null],
['16日',242,358,null,null],
['17日',246,311,null,null],
['18日',281,317,null,null],
['19日',234,335,null,null],
['20日',82,376,82,null],
['21日',null,432,93,null],
['22日',188,392,188,null],
['23日',215,262,null,null],
['24日',203,379,null,null],
['25日',207,417,null,null],
['26日',203,334,null,null],
['27日',208,301,null,null],
['28日',204,359,null,null],
['29日',210,360,null,null],
['30日',208,359,null,null],
['31日',225,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:500},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=2;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});