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,null,96],
['2日',null,155,null,155],
['3日',null,221,null,null],
['4日',252,256,null,null],
['5日',253,244,null,null],
['6日',271,266,null,null],
['7日',120,232,120,null],
['8日',null,87,108,87],
['9日',null,null,131,113],
['10日',125,null,125,122],
['11日',204,166,null,166],
['12日',221,244,null,null],
['13日',105,289,105,null],
['14日',209,183,null,183],
['15日',150,216,150,null],
['16日',207,219,null,null],
['17日',262,229,null,null],
['18日',278,239,null,null],
['19日',220,261,null,null],
['20日',209,210,null,null],
['21日',208,176,null,176],
['22日',219,157,null,157],
['23日',210,211,null,null],
['24日',181,253,181,null],
['25日',191,247,191,null],
['26日',210,84,null,84],
['27日',254,null,null,100],
['28日',278,null,null,185],
['29日',97,179,97,179],
['30日',null,207,71,null],
['31日',null,null,57,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=2;

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

});