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,172,28,172],
['2日',null,239,15,null],
['3日',null,254,24,null],
['4日',null,196,36,196],
['5日',null,241,67,null],
['6日',null,250,96,null],
['7日',null,272,85,null],
['8日',null,282,135,null],
['9日',null,251,125,null],
['10日',null,320,113,null],
['11日',null,385,76,null],
['12日',null,331,130,null],
['13日',null,245,144,null],
['14日',null,217,172,null],
['15日',null,126,86,126],
['16日',null,186,99,186],
['17日',null,260,52,null],
['18日',null,226,71,null],
['19日',null,215,83,null],
['20日',null,274,82,null],
['21日',170,333,170,null],
['22日',238,304,null,null],
['23日',202,418,null,null],
['24日',261,281,null,null],
['25日',262,299,null,null],
['26日',74,89,74,89],
['27日',null,null,91,60],
['28日',177,null,177,76],
['29日',222,null,null,102],
['30日',199,136,199,136],
['31日',220,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)
      }
    });
  }

});