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,52,85],
['2日',null,null,70,43],
['3日',null,null,96,55],
['4日',null,null,133,71],
['5日',null,null,162,66],
['6日',null,null,126,109],
['7日',null,null,189,114],
['8日',null,null,49,157],
['9日',null,null,97,164],
['10日',null,null,126,149],
['11日',null,null,162,176],
['12日',null,null,169,148],
['13日',null,null,168,165],
['14日',null,166,187,166],
['15日',139,208,139,null],
['16日',230,259,null,null],
['17日',240,264,null,null],
['18日',228,254,null,null],
['19日',269,102,null,102],
['20日',283,null,null,175],
['21日',307,null,null,152],
['22日',150,184,150,184],
['23日',170,243,170,null],
['24日',221,230,null,null],
['25日',262,262,null,null],
['26日',238,36,null,36],
['27日',278,null,null,56],
['28日',292,null,null,75],
['29日',23,null,23,105],
['30日',null,140,35,140],
['31日',null,null,59,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=4;

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

});