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,171,84,171],
['2日',null,201,97,null],
['3日',null,205,145,null],
['4日',null,123,161,123],
['5日',175,null,175,162],
['6日',217,null,null,196],
['7日',226,null,null,152],
['8日',308,186,null,186],
['9日',221,204,null,null],
['10日',183,285,183,null],
['11日',172,253,172,null],
['12日',231,279,null,null],
['13日',229,211,null,null],
['14日',234,238,null,null],
['15日',225,245,null,null],
['16日',249,267,null,null],
['17日',259,333,null,null],
['18日',213,406,null,null],
['19日',188,372,188,null],
['20日',177,254,177,null],
['21日',204,267,null,null],
['22日',273,132,null,132],
['23日',365,182,null,182],
['24日',156,216,156,null],
['25日',null,303,129,null],
['26日',180,186,180,186],
['27日',202,null,null,191],
['28日',263,null,null,73],
['29日',176,null,176,94],
['30日',160,134,160,134],
['31日',202,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:500},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)
      }
    });
  }

});