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,398,null,null],
['2日',231,286,null,null],
['3日',292,301,null,null],
['4日',283,336,null,null],
['5日',268,429,null,null],
['6日',254,464,null,null],
['7日',286,397,null,null],
['8日',362,223,null,null],
['9日',330,156,null,156],
['10日',220,null,null,166],
['11日',163,null,163,70],
['12日',239,null,null,63],
['13日',262,118,null,118],
['14日',283,224,null,null],
['15日',271,282,null,null],
['16日',220,209,null,null],
['17日',225,117,null,117],
['18日',230,null,null,59],
['19日',270,null,null,61],
['20日',250,108,null,108],
['21日',277,222,null,null],
['22日',321,285,null,null],
['23日',278,225,null,null],
['24日',296,71,null,71],
['25日',194,147,194,147],
['26日',220,233,null,null],
['27日',266,263,null,null],
['28日',321,358,null,null],
['29日',212,415,null,null],
['30日',201,276,null,null],
['31日',271,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=2;

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

});