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,792,null,null],
['2日',601,724,null,null],
['3日',557,833,null,null],
['4日',521,836,null,null],
['5日',351,750,null,null],
['6日',324,616,null,null],
['7日',406,664,null,null],
['8日',435,651,null,null],
['9日',361,693,null,null],
['10日',495,802,null,null],
['11日',725,711,null,null],
['12日',540,837,null,null],
['13日',596,636,null,null],
['14日',467,487,null,null],
['15日',416,730,null,null],
['16日',456,745,null,null],
['17日',680,654,null,null],
['18日',580,610,null,null],
['19日',455,650,null,null],
['20日',456,953,null,null],
['21日',577,null,null,null],
['22日',509,609,null,null],
['23日',569,574,null,null],
['24日',653,420,null,null],
['25日',732,473,null,null],
['26日',920,717,null,null],
['27日',745,824,null,null],
['28日',496,467,null,null],
['29日',710,557,null,null],
['30日',736,765,null,null],
['31日',705,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:1000},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)
      }
    });
  }

});