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',247,85,null,85],
['2日',170,208,170,null],
['3日',236,251,null,null],
['4日',148,303,148,null],
['5日',null,106,183,106],
['6日',177,159,177,159],
['7日',258,245,null,null],
['8日',370,247,null,null],
['9日',443,157,null,157],
['10日',283,null,null,192],
['11日',200,null,200,103],
['12日',193,191,193,191],
['13日',316,294,null,null],
['14日',125,302,125,null],
['15日',197,113,197,113],
['16日',222,null,null,128],
['17日',189,138,189,138],
['18日',214,212,null,null],
['19日',115,136,115,136],
['20日',null,251,100,null],
['21日',null,227,108,null],
['22日',null,223,145,null],
['23日',184,288,184,null],
['24日',207,148,null,148],
['25日',185,226,185,null],
['26日',270,121,null,121],
['27日',308,null,null,149],
['28日',424,null,null,165],
['29日',94,null,94,196],
['30日',null,66,112,66],
['31日',null,null,128,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:500},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=4;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});