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,147,null,147],
['2日',null,248,null,null],
['3日',null,239,null,null],
['4日',212,224,null,null],
['5日',208,273,null,null],
['6日',217,200,null,200],
['7日',220,null,null,144],
['8日',217,null,null,110],
['9日',201,null,null,151],
['10日',183,null,183,122],
['11日',null,168,133,168],
['12日',null,235,124,null],
['13日',188,280,188,null],
['14日',210,271,null,null],
['15日',156,265,156,null],
['16日',223,133,null,133],
['17日',252,166,null,166],
['18日',265,224,null,null],
['19日',300,203,null,null],
['20日',208,250,null,null],
['21日',231,188,null,188],
['22日',212,259,null,null],
['23日',254,285,null,null],
['24日',217,305,null,null],
['25日',253,239,null,null],
['26日',263,271,null,null],
['27日',314,183,null,183],
['28日',285,230,null,null],
['29日',137,284,137,null],
['30日',null,358,193,null],
['31日',null,null,184,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:400},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)
      }
    });
  }

});