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',205,269,null,null],
['2日',226,272,null,null],
['3日',222,257,null,null],
['4日',180,280,180,null],
['5日',205,205,null,null],
['6日',225,237,null,null],
['7日',154,228,154,null],
['8日',173,219,173,null],
['9日',209,232,null,null],
['10日',209,216,null,null],
['11日',222,268,null,null],
['12日',236,170,null,170],
['13日',211,null,null,128],
['14日',246,null,null,152],
['15日',162,199,162,199],
['16日',197,223,197,null],
['17日',227,216,null,null],
['18日',254,212,null,null],
['19日',227,254,null,null],
['20日',236,144,null,144],
['21日',278,201,null,null],
['22日',158,212,158,null],
['23日',184,216,184,null],
['24日',203,220,null,null],
['25日',202,222,null,null],
['26日',182,178,182,178],
['27日',233,163,null,163],
['28日',201,225,null,null],
['29日',224,242,null,null],
['30日',224,220,null,null],
['31日',256,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)
      }
    });
  }

});