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',783,546,null,null],
['2日',null,641,null,null],
['3日',780,832,null,null],
['4日',667,785,null,null],
['5日',675,687,null,null],
['6日',823,543,null,null],
['7日',590,641,null,null],
['8日',716,616,null,null],
['9日',656,606,null,null],
['10日',672,713,null,null],
['11日',623,666,null,null],
['12日',669,703,null,null],
['13日',554,772,null,null],
['14日',615,774,null,null],
['15日',808,709,null,null],
['16日',737,608,null,null],
['17日',942,639,null,null],
['18日',908,574,null,null],
['19日',716,582,null,null],
['20日',523,530,null,null],
['21日',639,630,null,null],
['22日',636,451,null,null],
['23日',643,491,null,null],
['24日',702,661,null,null],
['25日',668,616,null,null],
['26日',579,620,null,null],
['27日',628,796,null,null],
['28日',708,631,null,null],
['29日',794,614,null,null],
['30日',755,601,null,null],
['31日',758,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)
      }
    });
  }

});