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,null,null,81],
['2日',236,168,null,168],
['3日',261,238,null,null],
['4日',266,306,null,null],
['5日',297,301,null,null],
['6日',295,303,null,null],
['7日',75,298,75,null],
['8日',null,76,93,76],
['9日',null,null,109,83],
['10日',149,null,149,96],
['11日',223,172,null,172],
['12日',275,273,null,null],
['13日',107,346,107,null],
['14日',null,102,115,102],
['15日',null,null,155,119],
['16日',181,164,181,164],
['17日',216,201,null,null],
['18日',230,237,null,null],
['19日',241,267,null,null],
['20日',228,145,null,145],
['21日',256,null,null,136],
['22日',292,null,null,126],
['23日',150,192,150,192],
['24日',null,250,137,null],
['25日',null,287,122,null],
['26日',186,78,186,78],
['27日',246,null,null,85],
['28日',283,null,null,98],
['29日',64,134,64,134],
['30日',null,221,66,null],
['31日',null,null,75,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:350},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)
      }
    });
  }

});