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',256,null,null,151],
['2日',159,null,159,156],
['3日',null,165,171,165],
['4日',193,208,193,null],
['5日',231,216,null,null],
['6日',124,193,124,193],
['7日',null,226,140,null],
['8日',null,219,157,null],
['9日',null,185,150,185],
['10日',183,null,183,175],
['11日',206,null,null,175],
['12日',130,null,130,125],
['13日',null,151,127,151],
['14日',null,236,152,null],
['15日',null,250,88,null],
['16日',null,190,114,190],
['17日',null,208,173,null],
['18日',null,237,171,null],
['19日',null,217,117,null],
['20日',null,184,88,184],
['21日',null,219,84,null],
['22日',null,213,121,null],
['23日',null,218,129,null],
['24日',null,224,189,null],
['25日',null,218,176,null],
['26日',null,253,185,null],
['27日',null,275,197,null],
['28日',null,231,195,null],
['29日',null,228,114,null],
['30日',null,221,170,null],
['31日',null,null,169,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:300},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)
      }
    });
  }

});