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,245,192,null],
['2日',null,195,143,195],
['3日',173,241,173,null],
['4日',218,230,null,null],
['5日',220,201,null,null],
['6日',119,225,119,null],
['7日',null,214,164,null],
['8日',165,107,165,107],
['9日',205,156,null,156],
['10日',221,202,null,null],
['11日',185,176,185,176],
['12日',183,null,183,159],
['13日',208,196,null,196],
['14日',214,204,null,null],
['15日',222,218,null,null],
['16日',119,196,119,196],
['17日',null,220,125,null],
['18日',null,223,120,null],
['19日',null,217,152,null],
['20日',null,164,98,164],
['21日',null,null,108,188],
['22日',null,null,106,92],
['23日',null,null,114,113],
['24日',null,null,141,113],
['25日',null,null,142,157],
['26日',null,null,121,138],
['27日',null,182,129,182],
['28日',null,226,160,null],
['29日',null,209,182,null],
['30日',185,278,185,null],
['31日',219,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: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=2;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});