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,105,193],
['2日',null,null,128,166],
['3日',null,null,154,165],
['4日',null,null,169,119],
['5日',null,192,185,192],
['6日',null,226,190,null],
['7日',null,281,90,null],
['8日',151,295,151,null],
['9日',230,335,null,null],
['10日',300,362,null,null],
['11日',348,81,null,81],
['12日',399,null,null,116],
['13日',409,157,null,157],
['14日',228,204,null,null],
['15日',220,248,null,null],
['16日',275,303,null,null],
['17日',344,293,null,null],
['18日',329,182,null,182],
['19日',394,211,null,null],
['20日',189,247,189,null],
['21日',207,276,null,null],
['22日',262,284,null,null],
['23日',285,332,null,null],
['24日',312,334,null,null],
['25日',292,68,null,68],
['26日',342,null,null,100],
['27日',345,null,null,161],
['28日',41,198,41,198],
['29日',null,216,72,null],
['30日',null,230,112,null],
['31日',null,null,144,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=2;

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

});