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,198,null,198],
['2日',null,271,null,null],
['3日',null,222,null,null],
['4日',null,171,null,171],
['5日',null,210,null,null],
['6日',null,178,null,178],
['7日',380,215,null,null],
['8日',390,211,null,null],
['9日',547,233,null,null],
['10日',376,178,null,178],
['11日',517,null,null,183],
['12日',529,179,null,179],
['13日',576,226,null,null],
['14日',709,314,null,null],
['15日',676,254,null,null],
['16日',571,228,null,null],
['17日',677,264,null,null],
['18日',692,285,null,null],
['19日',766,56,null,56],
['20日',681,null,null,54],
['21日',334,null,null,74],
['22日',24,null,24,94],
['23日',null,null,36,137],
['24日',null,null,56,158],
['25日',null,196,75,196],
['26日',null,231,86,null],
['27日',null,277,74,null],
['28日',null,287,101,null],
['29日',108,291,108,null],
['30日',206,288,null,null],
['31日',209,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:800},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)
      }
    });
  }

});