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,198,153,198],
['2日',null,246,115,null],
['3日',169,267,169,null],
['4日',207,235,null,null],
['5日',215,178,null,178],
['6日',153,221,153,null],
['7日',202,180,null,180],
['8日',121,215,121,null],
['9日',null,301,125,null],
['10日',null,187,146,187],
['11日',null,228,181,null],
['12日',null,189,187,189],
['13日',null,null,187,157],
['14日',null,156,158,156],
['15日',null,215,169,null],
['16日',null,228,156,null],
['17日',null,230,121,null],
['18日',177,177,177,177],
['19日',215,194,null,194],
['20日',200,204,200,null],
['21日',207,187,null,187],
['22日',109,236,109,null],
['23日',null,226,156,null],
['24日',182,169,182,169],
['25日',212,null,null,148],
['26日',163,null,163,164],
['27日',null,null,150,143],
['28日',null,null,140,160],
['29日',null,184,193,184],
['30日',146,202,146,null],
['31日',225,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: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)
      }
    });
  }

});