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',180,204,180,null],
['2日',239,188,null,188],
['3日',275,219,null,null],
['4日',260,236,null,null],
['5日',175,220,175,null],
['6日',227,171,null,171],
['7日',213,140,null,140],
['8日',171,202,171,null],
['9日',202,194,null,194],
['10日',178,182,178,182],
['11日',null,220,192,null],
['12日',null,232,76,null],
['13日',null,249,124,null],
['14日',null,237,151,null],
['15日',189,189,189,189],
['16日',207,142,null,142],
['17日',229,204,null,null],
['18日',213,216,null,null],
['19日',94,208,94,null],
['20日',null,96,162,96],
['21日',null,null,168,136],
['22日',null,null,140,156],
['23日',null,null,82,158],
['24日',null,null,119,133],
['25日',null,null,141,131],
['26日',null,null,119,123],
['27日',null,null,107,117],
['28日',null,null,88,137],
['29日',null,null,159,136],
['30日',null,163,173,163],
['31日',null,null,143,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)
      }
    });
  }

});