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,206,149,null],
['2日',null,252,191,null],
['3日',163,138,163,138],
['4日',238,197,null,197],
['5日',184,213,184,null],
['6日',210,240,null,null],
['7日',246,255,null,null],
['8日',157,169,157,169],
['9日',215,229,null,null],
['10日',248,236,null,null],
['11日',233,255,null,null],
['12日',221,209,null,null],
['13日',221,238,null,null],
['14日',205,208,null,null],
['15日',152,201,152,null],
['16日',174,173,174,173],
['17日',229,218,null,null],
['18日',189,227,189,null],
['19日',204,246,null,null],
['20日',216,166,null,166],
['21日',213,null,null,170],
['22日',226,null,null,200],
['23日',131,162,131,162],
['24日',208,215,null,null],
['25日',193,182,193,182],
['26日',229,204,null,null],
['27日',195,183,195,183],
['28日',null,209,179,null],
['29日',199,207,199,null],
['30日',203,177,null,177],
['31日',194,null,194,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=4;

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

});