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,498,74,null],
['2日',null,70,144,70],
['3日',null,null,171,93],
['4日',166,null,166,157],
['5日',212,193,null,193],
['6日',351,221,null,null],
['7日',203,204,null,null],
['8日',232,302,null,null],
['9日',321,407,null,null],
['10日',481,281,null,null],
['11日',358,298,null,null],
['12日',258,352,null,null],
['13日',410,324,null,null],
['14日',454,348,null,null],
['15日',434,257,null,null],
['16日',70,298,70,null],
['17日',null,77,96,77],
['18日',null,null,136,106],
['19日',null,null,164,117],
['20日',126,null,126,106],
['21日',217,null,null,126],
['22日',253,null,null,117],
['23日',288,null,null,151],
['24日',256,137,null,137],
['25日',375,294,null,null],
['26日',271,202,null,null],
['27日',235,102,null,102],
['28日',420,null,null,145],
['29日',132,null,132,142],
['30日',236,196,null,196],
['31日',313,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: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)
      }
    });
  }

});