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',343,273,null,null],
['2日',212,213,null,null],
['3日',250,205,null,null],
['4日',267,233,null,null],
['5日',256,154,null,154],
['6日',242,212,null,null],
['7日',230,116,null,116],
['8日',177,null,177,117],
['9日',235,null,null,143],
['10日',263,null,null,160],
['11日',151,null,151,90],
['12日',212,null,null,144],
['13日',214,null,null,181],
['14日',224,160,null,160],
['15日',271,230,null,null],
['16日',227,242,null,null],
['17日',232,247,null,null],
['18日',232,262,null,null],
['19日',277,283,null,null],
['20日',170,225,170,null],
['21日',160,164,160,164],
['22日',210,242,null,null],
['23日',223,126,null,126],
['24日',177,null,177,138],
['25日',237,165,null,165],
['26日',202,254,null,null],
['27日',226,273,null,null],
['28日',232,191,null,191],
['29日',312,243,null,null],
['30日',282,311,null,null],
['31日',312,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)
      }
    });
  }

});