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,397,null,null],
['2日',null,299,null,null],
['3日',null,92,null,92],
['4日',206,203,null,null],
['5日',211,141,null,141],
['6日',160,null,160,140],
['7日',208,null,null,165],
['8日',235,null,null,156],
['9日',160,null,160,110],
['10日',232,null,null,104],
['11日',150,null,150,121],
['12日',null,183,110,183],
['13日',189,239,189,null],
['14日',222,263,null,null],
['15日',192,261,192,null],
['16日',221,227,null,null],
['17日',211,167,null,167],
['18日',166,null,166,106],
['19日',null,null,125,85],
['20日',null,194,162,194],
['21日',null,270,154,null],
['22日',166,122,166,122],
['23日',202,null,null,101],
['24日',87,188,87,188],
['25日',null,204,85,null],
['26日',null,361,132,null],
['27日',null,244,98,null],
['28日',null,262,135,null],
['29日',null,239,124,null],
['30日',167,131,167,131],
['31日',261,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:400},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)
      }
    });
  }

});