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,149,null,149],
['2日',167,221,167,null],
['3日',null,202,179,null],
['4日',null,185,195,185],
['5日',null,186,118,186],
['6日',null,219,147,null],
['7日',191,193,191,193],
['8日',217,null,null,181],
['9日',175,null,175,152],
['10日',null,200,194,200],
['11日',null,221,198,null],
['12日',188,191,188,191],
['13日',218,189,null,189],
['14日',204,241,null,null],
['15日',187,254,187,null],
['16日',208,198,null,198],
['17日',207,null,null,165],
['18日',222,null,null,158],
['19日',209,null,null,196],
['20日',184,198,184,198],
['21日',null,201,178,null],
['22日',197,125,197,125],
['23日',230,null,null,142],
['24日',201,null,null,186],
['25日',220,193,null,193],
['26日',204,208,null,null],
['27日',151,215,151,null],
['28日',null,218,148,null],
['29日',null,212,160,null],
['30日',null,197,165,197],
['31日',null,null,153,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=4;

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

});