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,30,145],
['2日',null,null,32,125],
['3日',null,161,52,161],
['4日',null,279,70,null],
['5日',null,200,101,200],
['6日',null,null,142,187],
['7日',null,196,171,196],
['8日',null,207,133,null],
['9日',null,261,117,null],
['10日',null,301,116,null],
['11日',null,226,166,null],
['12日',159,186,159,186],
['13日',225,221,null,null],
['14日',66,259,66,null],
['15日',null,273,64,null],
['16日',null,312,103,null],
['17日',132,316,132,null],
['18日',203,185,null,185],
['19日',243,null,null,114],
['20日',262,null,null,158],
['21日',239,null,null,184],
['22日',250,185,null,185],
['23日',228,232,null,null],
['24日',235,277,null,null],
['25日',262,212,null,null],
['26日',305,190,null,190],
['27日',347,202,null,null],
['28日',51,235,51,null],
['29日',null,275,56,null],
['30日',null,254,81,null],
['31日',null,null,123,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)
      }
    });
  }

});