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,223,129,null],
['2日',null,227,167,null],
['3日',null,231,182,null],
['4日',177,216,177,null],
['5日',227,235,null,null],
['6日',224,243,null,null],
['7日',145,190,145,190],
['8日',null,null,113,172],
['9日',null,145,167,145],
['10日',143,224,143,null],
['11日',204,120,null,120],
['12日',177,null,177,171],
['13日',224,null,null,187],
['14日',218,null,null,166],
['15日',218,null,null,159],
['16日',177,190,177,190],
['17日',null,241,141,null],
['18日',162,204,162,null],
['19日',210,234,null,null],
['20日',197,207,197,null],
['21日',177,207,177,null],
['22日',204,243,null,null],
['23日',186,256,186,null],
['24日',231,232,null,null],
['25日',203,267,null,null],
['26日',176,237,176,null],
['27日',222,272,null,null],
['28日',222,261,null,null],
['29日',267,246,null,null],
['30日',238,219,null,null],
['31日',145,null,145,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)
      }
    });
  }

});