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',208,416,null,null],
['2日',110,47,110,47],
['3日',174,null,174,66],
['4日',246,null,null,87],
['5日',289,null,null,129],
['6日',321,181,null,181],
['7日',382,225,null,null],
['8日',416,238,null,null],
['9日',387,252,null,null],
['10日',537,286,null,null],
['11日',527,249,null,null],
['12日',611,278,null,null],
['13日',571,186,null,186],
['14日',610,191,null,191],
['15日',577,228,null,null],
['16日',761,193,null,193],
['17日',544,221,null,null],
['18日',575,248,null,null],
['19日',35,285,35,null],
['20日',null,347,50,null],
['21日',null,358,84,null],
['22日',null,447,135,null],
['23日',166,359,166,null],
['24日',230,343,null,null],
['25日',284,320,null,null],
['26日',267,336,null,null],
['27日',276,30,null,30],
['28日',294,null,null,48],
['29日',293,null,null,73],
['30日',290,102,null,102],
['31日',358,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:800},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)
      }
    });
  }

});