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',761,739,null,null],
['2日',858,768,null,null],
['3日',null,666,null,null],
['4日',null,710,null,null],
['5日',797,796,null,null],
['6日',847,670,null,null],
['7日',679,774,null,null],
['8日',884,841,null,null],
['9日',912,735,null,null],
['10日',816,745,null,null],
['11日',924,873,null,null],
['12日',789,702,null,null],
['13日',642,707,null,null],
['14日',701,886,null,null],
['15日',779,912,null,null],
['16日',897,722,null,null],
['17日',663,986,null,null],
['18日',815,577,null,null],
['19日',720,370,null,null],
['20日',681,547,null,null],
['21日',702,652,null,null],
['22日',709,739,null,null],
['23日',814,512,null,null],
['24日',857,590,null,null],
['25日',869,588,null,null],
['26日',947,630,null,null],
['27日',790,576,null,null],
['28日',924,663,null,null],
['29日',458,776,null,null],
['30日',613,704,null,null],
['31日',719,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)
      }
    });
  }

});