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,208,null,null],
['2日',283,167,null,167],
['3日',312,170,null,170],
['4日',337,247,null,null],
['5日',222,236,null,null],
['6日',231,251,null,null],
['7日',279,264,null,null],
['8日',246,236,null,null],
['9日',277,232,null,null],
['10日',232,221,null,null],
['11日',237,274,null,null],
['12日',177,198,177,198],
['13日',209,184,null,184],
['14日',240,249,null,null],
['15日',240,218,null,null],
['16日',158,202,158,null],
['17日',197,226,197,null],
['18日',237,241,null,null],
['19日',244,218,null,null],
['20日',230,227,null,null],
['21日',224,259,null,null],
['22日',253,226,null,null],
['23日',225,261,null,null],
['24日',225,296,null,null],
['25日',211,236,null,null],
['26日',205,251,null,null],
['27日',229,227,null,null],
['28日',241,279,null,null],
['29日',256,277,null,null],
['30日',217,287,null,null],
['31日',226,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:350},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)
      }
    });
  }

});