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',230,null,null,152],
['2日',201,152,null,152],
['3日',191,204,191,null],
['4日',213,136,null,136],
['5日',185,null,185,168],
['6日',null,null,181,154],
['7日',null,null,198,155],
['8日',null,187,196,187],
['9日',177,212,177,null],
['10日',201,196,null,196],
['11日',169,null,169,182],
['12日',210,164,null,164],
['13日',235,202,null,null],
['14日',178,224,178,null],
['15日',null,220,171,null],
['16日',192,230,192,null],
['17日',202,184,null,184],
['18日',235,204,null,null],
['19日',206,210,null,null],
['20日',213,209,null,null],
['21日',196,183,196,183],
['22日',189,null,189,188],
['23日',225,null,null,164],
['24日',157,191,157,191],
['25日',209,203,null,null],
['26日',213,203,null,null],
['27日',218,227,null,null],
['28日',213,241,null,null],
['29日',186,208,186,null],
['30日',null,234,177,null],
['31日',null,null,174,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:250},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)
      }
    });
  }

});