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',315,210,null,null],
['2日',217,339,null,null],
['3日',251,471,null,null],
['4日',238,576,null,null],
['5日',245,185,null,185],
['6日',213,295,null,null],
['7日',308,419,null,null],
['8日',429,508,null,null],
['9日',492,251,null,null],
['10日',323,248,null,null],
['11日',327,202,null,null],
['12日',262,307,null,null],
['13日',373,464,null,null],
['14日',160,436,160,null],
['15日',207,116,null,116],
['16日',240,null,null,150],
['17日',241,183,null,183],
['18日',229,247,null,null],
['19日',146,271,146,null],
['20日',null,310,127,null],
['21日',137,287,137,null],
['22日',235,249,null,null],
['23日',315,333,null,null],
['24日',312,282,null,null],
['25日',312,374,null,null],
['26日',298,187,null,187],
['27日',389,224,null,null],
['28日',418,236,null,null],
['29日',152,255,152,null],
['30日',174,94,174,94],
['31日',216,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)
      }
    });
  }

});