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,279,114,null],
['2日',null,297,183,null],
['3日',null,316,183,null],
['4日',189,283,189,null],
['5日',217,302,null,null],
['6日',206,330,null,null],
['7日',165,285,165,null],
['8日',220,279,null,null],
['9日',251,320,null,null],
['10日',235,331,null,null],
['11日',221,332,null,null],
['12日',237,569,null,null],
['13日',210,66,null,66],
['14日',149,null,149,61],
['15日',194,null,194,70],
['16日',228,null,null,100],
['17日',259,null,null,125],
['18日',264,null,null,57],
['19日',339,null,null,59],
['20日',330,null,null,78],
['21日',99,null,99,87],
['22日',null,null,113,102],
['23日',null,null,186,123],
['24日',180,null,180,134],
['25日',202,null,null,160],
['26日',233,178,null,178],
['27日',240,201,null,null],
['28日',160,193,160,193],
['29日',176,null,176,168],
['30日',218,177,null,177],
['31日',234,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:600},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)
      }
    });
  }

});