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',320,220,null,null],
['2日',284,160,null,160],
['3日',234,180,null,180],
['4日',211,230,null,null],
['5日',207,271,null,null],
['6日',248,272,null,null],
['7日',228,262,null,null],
['8日',239,237,null,null],
['9日',240,227,null,null],
['10日',301,172,null,172],
['11日',243,195,null,195],
['12日',213,278,null,null],
['13日',205,294,null,null],
['14日',211,286,null,null],
['15日',266,316,null,null],
['16日',153,293,153,null],
['17日',null,359,155,null],
['18日',168,447,168,null],
['19日',222,323,null,null],
['20日',208,332,null,null],
['21日',330,321,null,null],
['22日',290,312,null,null],
['23日',257,318,null,null],
['24日',283,252,null,null],
['25日',164,251,164,null],
['26日',212,229,null,null],
['27日',151,250,151,null],
['28日',156,285,156,null],
['29日',216,253,null,null],
['30日',211,237,null,null],
['31日',201,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)
      }
    });
  }

});