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',302,212,null,null],
['2日',124,163,124,163],
['3日',184,103,184,103],
['4日',217,209,null,null],
['5日',284,176,null,176],
['6日',215,255,null,null],
['7日',280,201,null,null],
['8日',276,219,null,null],
['9日',328,247,null,null],
['10日',254,295,null,null],
['11日',327,274,null,null],
['12日',275,257,null,null],
['13日',290,224,null,null],
['14日',250,203,null,null],
['15日',340,205,null,null],
['16日',330,204,null,null],
['17日',345,290,null,null],
['18日',340,322,null,null],
['19日',341,339,null,null],
['20日',313,304,null,null],
['21日',378,323,null,null],
['22日',327,181,null,181],
['23日',324,235,null,null],
['24日',270,204,null,null],
['25日',246,239,null,null],
['26日',311,272,null,null],
['27日',311,228,null,null],
['28日',372,216,null,null],
['29日',347,205,null,null],
['30日',374,199,null,199],
['31日',297,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: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=4;

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

});