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',195,216,195,null],
['2日',206,244,null,null],
['3日',242,240,null,null],
['4日',213,182,null,182],
['5日',251,176,null,176],
['6日',255,214,null,null],
['7日',196,255,196,null],
['8日',203,254,null,null],
['9日',163,272,163,null],
['10日',null,240,191,null],
['11日',null,247,125,null],
['12日',174,45,174,45],
['13日',231,null,null,60],
['14日',246,null,null,89],
['15日',235,null,null,131],
['16日',244,null,null,134],
['17日',224,null,null,138],
['18日',229,null,null,159],
['19日',225,196,null,196],
['20日',228,212,null,null],
['21日',236,215,null,null],
['22日',202,193,null,193],
['23日',204,206,null,null],
['24日',209,214,null,null],
['25日',212,228,null,null],
['26日',246,237,null,null],
['27日',240,217,null,null],
['28日',257,215,null,null],
['29日',245,17,null,17],
['30日',180,26,180,26],
['31日',206,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:300},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)
      }
    });
  }

});