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,null,94,138],
['2日',null,196,86,196],
['3日',124,220,124,null],
['4日',231,268,null,null],
['5日',198,315,198,null],
['6日',203,471,null,null],
['7日',241,394,null,null],
['8日',118,625,118,null],
['9日',239,546,null,null],
['10日',208,614,null,null],
['11日',188,594,188,null],
['12日',209,704,null,null],
['13日',299,278,null,null],
['14日',286,346,null,null],
['15日',262,204,null,null],
['16日',284,288,null,null],
['17日',127,333,127,null],
['18日',123,396,123,null],
['19日',229,545,null,null],
['20日',166,657,166,null],
['21日',312,413,null,null],
['22日',323,441,null,null],
['23日',228,341,null,null],
['24日',231,268,null,null],
['25日',354,232,null,null],
['26日',156,195,156,195],
['27日',187,null,187,101],
['28日',275,133,null,133],
['29日',372,240,null,null],
['30日',188,276,188,null],
['31日',257,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=2;

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

});