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,69,112],
['2日',null,null,105,136],
['3日',null,null,144,141],
['4日',null,null,173,158],
['5日',168,null,168,168],
['6日',202,null,null,198],
['7日',209,null,null,173],
['8日',243,null,null,164],
['9日',239,null,null,175],
['10日',256,null,null,162],
['11日',250,null,null,29],
['12日',95,null,95,48],
['13日',null,null,130,73],
['14日',198,null,198,76],
['15日',226,null,null,85],
['16日',248,null,null,98],
['17日',247,null,null,75],
['18日',237,null,null,79],
['19日',271,null,null,92],
['20日',68,null,68,106],
['21日',null,null,98,104],
['22日',null,null,100,71],
['23日',null,null,161,87],
['24日',199,null,199,96],
['25日',206,null,null,104],
['26日',230,null,null,115],
['27日',225,null,null,36],
['28日',252,null,null,47],
['29日',275,null,null,64],
['30日',62,79,62,79],
['31日',null,null,72,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)
      }
    });
  }

});